Station Overview Station Location
Station Number PA-CM-1 Latitude 40.31695
Station Name Westmont 1.1 W Longitude -78.972324
County Cambria Elevation (ft) 1919



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 09 3.23 4.19 31 4.19 31 0.00 0 0 14 1 0.0 0 0
Nov 09 4.21 1.51 30 1.51 30 0.00 0 0 10 2 1.5 2 2
Dec 09 3.54 6.02 31 6.02 31 0.00 0 0 19 5 31.6 15 26
Jan 10 3.71 4.69 31 4.69 31 0.00 0 0 20 4 43.1 18 31
Feb 10 3.15 6.26 28 6.26 28 0.00 0 0 20 2 84.6 20 28
March 10 3.89 3.11 31 3.11 31 0.00 0 0 14 2 2.9 3 19
April 10 4.12 2.63 30 2.63 30 0.00 0 0 9 2 0.0 0 0
May 10 4.47 7.47 31 7.47 31 0.00 0 0 18 1 0.0 0 0
June 10 4.58 5.60 30 5.60 30 0.00 0 0 15 5 0.0 0 0
July 10 4.66 5.56 31 5.56 31 0.00 0 0 14 0 0.0 0 0
Aug 10 4.14 4.40 31 4.40 31 0.00 0 0 11 1 0.0 0 0
Sept 10 3.85 2.69 30 2.69 30 0.00 0 0 11 2 0.0 0 0
Water Year Totals: 47.55" 54.13" 365 days 54.13" 365 0.00" 0 days 0 175 days 27 days 163.7" 58 days 106 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2009 0.04
10/2/2009 0.00
10/3/2009 0.29
10/4/2009 0.00
10/5/2009 0.00
10/6/2009 0.00
10/7/2009 0.12
10/8/2009 0.00
10/9/2009 0.36
10/10/2009 0.87
10/11/2009 0.01
10/12/2009 0.00
10/13/2009 0.00
10/14/2009 0.00
10/15/2009 0.10
10/16/2009 0.63
10/17/2009 0.06
10/18/2009 0.13
10/19/2009 0.00
10/20/2009 0.00
10/21/2009 0.00
10/22/2009 0.00
10/23/2009 0.00
10/24/2009 0.67
10/25/2009 0.22
10/26/2009 0.00
10/27/2009 0.00
10/28/2009 0.55
10/29/2009 0.14
10/30/2009 T
10/31/2009 0.00
11/1/2009 0.09
11/2/2009 0.00
11/3/2009 0.00
11/4/2009 0.00
11/5/2009 T
11/6/2009 0.07
11/7/2009 0.00
11/8/2009 0.00
11/9/2009 0.00
11/10/2009 0.00
11/11/2009 0.00
11/12/2009 0.00
11/13/2009 0.00
11/14/2009 0.00
11/15/2009 0.00
11/16/2009 0.00
11/17/2009 0.00
11/18/2009 0.00
11/19/2009 0.02
11/20/2009 0.74
11/21/2009 0.00
11/22/2009 T
11/23/2009 0.00
11/24/2009 0.22
11/25/2009 0.02
11/26/2009 0.03
11/27/2009 0.14
11/28/2009 0.06
11/29/2009 0.00
11/30/2009 0.12
12/1/2009 0.15
12/2/2009 0.00
12/3/2009 0.61
12/4/2009 0.05
12/5/2009 T
12/6/2009 0.27
12/7/2009 T
12/8/2009 T
12/9/2009 2.03
12/10/2009 0.11
12/11/2009 0.07
12/12/2009 0.00
12/13/2009 0.00
12/14/2009 0.59
12/15/2009 T
12/16/2009 0.06
12/17/2009 0.00
12/18/2009 0.00
12/19/2009 0.42
12/20/2009 0.51
12/21/2009 0.04
12/22/2009 0.01
12/23/2009 0.01
12/24/2009 0.00
12/25/2009 0.00
12/26/2009 0.52
12/27/2009 0.09
12/28/2009 0.11
12/29/2009 0.12
12/30/2009 T
12/31/2009 0.25
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.17
1/2/2010 0.24
1/3/2010 0.13
1/4/2010 0.16
1/5/2010 0.14
1/6/2010 0.27
1/7/2010 0.16
1/8/2010 0.22
1/9/2010 0.10
1/10/2010 0.01
1/11/2010 T
1/12/2010 0.08
1/13/2010 0.02
1/14/2010 0.00
1/15/2010 0.00
1/16/2010 0.00
1/17/2010 0.00
1/18/2010 0.79
1/19/2010 0.00
1/20/2010 0.01
1/21/2010 T
1/22/2010 0.05
1/23/2010 0.01
1/24/2010 0.00
1/25/2010 1.75
1/26/2010 0.21
1/27/2010 0.07
1/28/2010 0.10
1/29/2010 T
1/30/2010 T
1/31/2010 0.00
2/1/2010 0.00
2/2/2010 0.00
2/3/2010 0.01
2/4/2010 0.05
2/5/2010 0.00
2/6/2010 1.78
2/7/2010 0.14
2/8/2010 0.01
2/9/2010 T
2/10/2010 0.60
2/11/2010 0.76
2/12/2010 0.18
2/13/2010 0.02
2/14/2010 0.13
2/15/2010 0.06
2/16/2010 0.36
2/17/2010 0.21
2/18/2010 0.27
2/19/2010 0.16
2/20/2010 0.00
2/21/2010 0.00
2/22/2010 0.00
2/23/2010 0.16
2/24/2010 0.04
2/25/2010 T
2/26/2010 0.26
2/27/2010 0.41
2/28/2010 0.65
3/1/2010 0.31
3/2/2010 0.04
3/3/2010 0.04
3/4/2010 T
3/5/2010 0.00
3/6/2010 0.00
3/7/2010 0.00
3/8/2010 0.00
3/9/2010 0.00
3/10/2010 0.00
3/11/2010 0.00
3/12/2010 0.40
3/13/2010 0.10
3/14/2010 0.49
3/15/2010 0.07
3/16/2010 T
3/17/2010 0.00
3/18/2010 0.00
3/19/2010 0.00
3/20/2010 0.00
3/21/2010 0.00
3/22/2010 0.10
3/23/2010 0.13
3/24/2010 0.23
3/25/2010 0.01
3/26/2010 0.44
3/27/2010 0.00
3/28/2010 0.00
3/29/2010 0.67
3/30/2010 0.08
3/31/2010 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.00
4/2/2010 0.00
4/3/2010 0.00
4/4/2010 0.00
4/5/2010 0.00
4/6/2010 0.01
4/7/2010 0.00
4/8/2010 0.00
4/9/2010 0.17
4/10/2010 0.01
4/11/2010 0.00
4/12/2010 0.00
4/13/2010 0.00
4/14/2010 0.24
4/15/2010 0.00
4/16/2010 0.00
4/17/2010 0.66
4/18/2010 T
4/19/2010 0.03
4/20/2010 0.00
4/21/2010 0.00
4/22/2010 0.00
4/23/2010 T
4/24/2010 0.00
4/25/2010 0.30
4/26/2010 0.68
4/27/2010 0.53
4/28/2010 0.00
4/29/2010 0.00
4/30/2010 0.00
5/1/2010 0.00
5/2/2010 T
5/3/2010 0.68
5/4/2010 0.27
5/5/2010 0.08
5/6/2010 0.15
5/7/2010 0.00
5/8/2010 0.83
5/9/2010 0.26
5/10/2010 0.01
5/11/2010 0.00
5/12/2010 1.60
5/13/2010 0.09
5/14/2010 0.01
5/15/2010 0.68
5/16/2010 0.00
5/17/2010 0.03
5/18/2010 1.41
5/19/2010 0.16
5/20/2010 0.00
5/21/2010 0.00
5/22/2010 0.00
5/23/2010 0.95
5/24/2010 0.08
5/25/2010 0.02
5/26/2010 0.00
5/27/2010 0.00
5/28/2010 0.00
5/29/2010 0.16
5/30/2010 0.00
5/31/2010 0.00
6/1/2010 0.16
6/2/2010 0.07
6/3/2010 0.11
6/4/2010 0.05
6/5/2010 0.81
6/6/2010 1.25
6/7/2010 0.19
6/8/2010 T
6/9/2010 0.15
6/10/2010 1.23
6/11/2010 0.00
6/12/2010 0.00
6/13/2010 0.00
6/14/2010 T
6/15/2010 T
6/16/2010 0.05
6/17/2010 T
6/18/2010 0.00
6/19/2010 0.00
6/20/2010 0.37
6/21/2010 0.00
6/22/2010 0.00
6/23/2010 0.35
6/24/2010 0.45
6/25/2010 0.29
6/26/2010 0.00
6/27/2010 0.00
6/28/2010 T
6/29/2010 0.07
6/30/2010 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2010 0.00
7/2/2010 0.00
7/3/2010 0.00
7/4/2010 0.00
7/5/2010 0.00
7/6/2010 0.00
7/7/2010 0.00
7/8/2010 0.00
7/9/2010 0.00
7/10/2010 0.60
7/11/2010 0.00
7/12/2010 0.00
7/13/2010 0.09
7/14/2010 1.46
7/15/2010 0.00
7/16/2010 0.00
7/17/2010 0.19
7/18/2010 0.12
7/19/2010 0.34
7/20/2010 0.28
7/21/2010 0.19
7/22/2010 0.54
7/23/2010 0.00
7/24/2010 0.02
7/25/2010 0.06
7/26/2010 0.51
7/27/2010 0.00
7/28/2010 0.00
7/29/2010 0.48
7/30/2010 0.68
7/31/2010 0.00
8/1/2010 0.07
8/2/2010 0.02
8/3/2010 0.00
8/4/2010 0.07
8/5/2010 0.59
8/6/2010 0.22
8/7/2010 0.00
8/8/2010 0.00
8/9/2010 0.00
8/10/2010 0.00
8/11/2010 0.00
8/12/2010 1.81
8/13/2010 0.06
8/14/2010 T
8/15/2010 0.00
8/16/2010 0.03
8/17/2010 0.00
8/18/2010 0.00
8/19/2010 0.00
8/20/2010 0.00
8/21/2010 0.00
8/22/2010 1.19
8/23/2010 0.17
8/24/2010 0.17
8/25/2010 0.00
8/26/2010 0.00
8/27/2010 0.00
8/28/2010 0.00
8/29/2010 0.00
8/30/2010 0.00
8/31/2010 0.00
9/1/2010 0.00
9/2/2010 0.00
9/3/2010 0.00
9/4/2010 0.10
9/5/2010 0.00
9/6/2010 0.00
9/7/2010 0.00
9/8/2010 0.00
9/9/2010 0.00
9/10/2010 0.00
9/11/2010 0.00
9/12/2010 0.18
9/13/2010 0.03
9/14/2010 0.00
9/15/2010 0.00
9/16/2010 0.00
9/17/2010 1.01
9/18/2010 0.01
9/19/2010 0.00
9/20/2010 T
9/21/2010 0.00
9/22/2010 0.00
9/23/2010 0.32
9/24/2010 T
9/25/2010 0.02
9/26/2010 0.00
9/27/2010 0.06
9/28/2010 0.66
9/29/2010 0.02
9/30/2010 0.28



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2009 7:00 AM 0.04 M M M M
10/2/2009 7:00 AM 0.00 0.0 M M M
10/3/2009 7:00 AM 0.29 M M M M Some rain showers yesterday evening.
10/4/2009 7:00 AM 0.00 0.0 M M M
10/5/2009 7:00 AM 0.00 0.0 M M M
10/6/2009 7:00 AM 0.00 0.0 M M M
10/7/2009 7:00 AM 0.12 M M M M A couple of rain showers overnight
10/8/2009 7:00 AM 0.00 0.0 M M M
10/9/2009 7:00 AM 0.36 M M M M Rain early this morning continuing through obs time.
10/10/2009 7:00 AM 0.87 M M M M Occasional rain, heavy at times.
10/11/2009 7:00 AM 0.01 M M M M
10/12/2009 7:00 AM 0.00 0.0 M M M
10/13/2009 7:00 AM 0.00 0.0 M M M
10/14/2009 7:00 AM 0.00 0.0 M M M
10/15/2009 7:00 AM 0.10 T T 0.0 0.00 Some sleet pellets yesterday afternoon. Cold light rain developing overnight. Rain and possible heavy wet snow forecast through the weekend.
10/16/2009 7:00 AM 0.63 T T 0.0 M Steady rain yesterday, drizzle, ice pellets and snow flurries overnight. Temps still at 34 however and no measurable snow or ice accumulation.
10/17/2009 7:00 AM 0.06 T T 0.0 M Drizzle, occasional light rain, sleet or snow flurries. No measurable accumulation of snow/ice.
10/18/2009 7:00 AM 0.13 T T 0.0 M Light rain and snow mixed. Snow was wet and the temperatures were slightly too warm for any measurable accumulation.
10/19/2009 7:00 AM 0.00 0.0 M M M No precip for a change, a heavy frost overnight (low 27), and a rare sight this morning - SUNSHINE!!!
10/20/2009 7:00 AM 0.00 0.0 M M M
10/21/2009 7:00 AM 0.00 0.0 M M M
10/22/2009 7:00 AM 0.00 0.0 M M M
10/23/2009 7:00 AM 0.00 0.0 M M M
10/24/2009 7:00 AM 0.67 M M M M Periods of rain during the evening and overnight, occasionally heavy at times.
10/25/2009 7:00 AM 0.22 M M M M Rain ended abruptly at 9:30 yesterday morning. Some drizzle in the evening, then clearing/colder/breezy overnight.
10/26/2009 7:00 AM 0.00 0.0 M M M
10/27/2009 7:00 AM 0.00 0.0 M M M
10/28/2009 7:00 AM 0.55 M M M M Rain overnight.
10/29/2009 7:00 AM 0.14 M M M M Light rain/drizzle
10/30/2009 7:00 AM T M M M M Early AM drizzle & fog (yesterday morning).
10/31/2009 7:00 AM 0.00 0.0 M M M
11/1/2009 7:00 AM 0.09 M M M M Light rain showers and gusty winds at midday yesterday.
11/2/2009 7:00 AM 0.00 0.0 M M M
11/3/2009 7:00 AM 0.00 0.0 M M M
11/4/2009 7:00 AM 0.00 0.0 M M M
11/5/2009 7:00 AM T M M M M Sprinkles in the evening. The east side of town had several hours of light rain - very unusual precip pattern for this area.
11/6/2009 7:00 AM 0.07 T T 0.0 M A brief rain shower mixed with sleet at mid-afternoon. Gusty winds, blustery conditions.
11/7/2009 7:00 AM 0.00 0.0 M M M
11/8/2009 7:00 AM 0.00 0.0 M M M
11/9/2009 7:00 AM 0.00 0.0 M M M
11/10/2009 7:00 AM 0.00 0.0 M M M
11/11/2009 7:00 AM 0.00 0.0 M M M
11/12/2009 7:00 AM 0.00 0.0 M M M
11/13/2009 7:00 AM 0.00 0.0 M M M
11/14/2009 7:00 AM 0.00 0.0 M M M
11/15/2009 7:00 AM 0.00 0.0 M M M
11/16/2009 7:00 AM 0.00 0.0 M M M
11/17/2009 7:00 AM 0.00 0.0 M M M
11/18/2009 7:00 AM 0.00 0.0 M M M
11/19/2009 7:00 AM 0.02 0.0 M M M A few light showers overnight. First measurable precip in 2 weeks (since Nov. 5th)
11/20/2009 7:00 AM 0.74 0.0 M M M Much-needed soaking rain and showers through mid-afternoon yesterday, some brief heavy downpours and one rumble of thunder. Rain was heaviest along and just east of US 219 where 1 to 1.5" fell.
11/21/2009 7:00 AM 0.00 0.0 M M M
11/22/2009 7:00 AM T 0.0 M M M
11/23/2009 7:00 AM 0.00 0.0 M M M
11/24/2009 7:00 AM 0.22 0.0 M M M Patchy fog, light rain and drizzle during the evening.
11/25/2009 7:00 AM 0.02 0.0 M M M Drizzle, fog
11/26/2009 7:00 AM 0.03 0.0 M M M Few rain showers at midday yesterday.
11/27/2009 7:00 AM 0.14 1.0 0.12 1.0 0.12 First measurable snow of the season. About exactly 1.0" of snow fell but was melting as it fell and only stuck to elevated surfaces as this morning was the first freezing temperature (31 F) since Nov. 7 and the ground is warm.
11/28/2009 7:00 AM 0.06 0.5 0.06 1.0 0.06 Snow showers, some ice pellets observed. Very windy.
11/29/2009 7:00 AM 0.00 0.0 M 0.0 M
11/30/2009 7:00 AM 0.12 0.0 M M M A rain shower at 10pm last night; light steady rain resumed early this morning. Temperatures are dropping into the 30s, some rain/snow showers expected later on, breezy.
12/1/2009 7:00 AM 0.15 T T 0.0 M Light rain through the mid-day hours, occasionally mixed with wet snow. No accumulation.
12/2/2009 7:00 AM 0.00 0.0 M M M
12/3/2009 7:00 AM 0.61 0.0 M M M Rain and showers began yesterday afternoon, brief period of heavy rain overnight. Very windy.
12/4/2009 7:00 AM 0.05 0.0 M M M Drizzle during the day. Very windy.
12/5/2009 7:00 AM T T T T T Light snow commencing around daybreak. Light snow at obs time...just a dusting on the ground as of then but 2.7" was measured at 2:30pm - see tomorrow's report for storm totals.
12/6/2009 7:00 AM 0.27 2.8 0.27 3.0 0.27 Light steady snow throughout most of the day yesterday. Heaviest snows in the morning.
12/7/2009 7:00 AM T T T 2.5 T AM flurries
12/8/2009 7:00 AM T T T 2.0 T Occasional flurries throughout the day. Very light dusting on the ground, not measurable.
12/9/2009 7:00 AM 2.03 5.5 2.03 4.5 2.03 Light snow began 7pm, moderate to heavy snow began 8pm, mixed with sleet by 11pm (3" of snow accumulated in 3 hours), heavy sleet & freezing rain overnight, abruptly ended around daybreak, another 2.5" of snow/sleet/ice but everything now beginning to melt (very slushy) as temperatures have inched slightly above freezing (33 F).
12/10/2009 7:00 AM 0.11 0.4 0.02 3.5 0.02 Mild with a thunderstorm with sleet/rain mix and very high winds @ 2pm yesterday. Very windy, falling temperatures, snow flurries & light snow showers overnight. 0.4" new snow. Wind gust to 56 mph measured at the Johnstown Airport.
12/11/2009 7:00 AM 0.07 1.6 0.07 4.0 0.07 Light snow & snow showers yesterday, lots of blowing snow. Snow was heavy between about 3 and 5 pm. There was probably more snowfall than what was measured due to persistent high winds.
12/12/2009 7:00 AM 0.00 0.0 M 4.0 M
12/13/2009 7:00 AM 0.00 0.0 M 3.5 M
12/14/2009 7:00 AM 0.59 0.1 M 2.0 M Freezing rain and rain yesterday with rising temperatures. Rain tapered to drizzle by 2pm. Patchy dense fog.
12/15/2009 7:00 AM T 0.0 M 1.0 M mild over the past 24 hours - snow/ice pack has become very patchy. 2" in some spots, bare ground in others
12/16/2009 7:00 AM 0.06 0.5 0.01 1.0 0.01 Drizzle/light rain, light ice pellets, then light snow overnight. Windy & cold.
12/17/2009 7:00 AM 0.00 0.0 M 0.5 M Snow on the ground is patchy. 1-2" in some areas while many areas more exposed to sun/wind are bare.
12/18/2009 7:00 AM 0.00 0.0 M 0.5 M Snow on the ground is patchy. 1-2" in some areas while many areas more exposed to sun/wind are bare.
12/19/2009 7:00 AM 0.42 4.0 0.42 4.0 0.42 Light snow began ~ 9pm last night. Light snow became moderate at times overnight. About 4" new snow by 7am w/ moderate snow falling.
12/20/2009 7:00 AM 0.51 7.4 0.51 10.0 0.51 Steady light to moderate snow through the day. Ended in the early pre-dawn hours this morning. ~ 9" on the ground but over 11" of storm total snowfall.
12/21/2009 7:00 AM 0.04 0.7 0.04 9.5 0.04 Flurries and light snow showers overnight.
12/22/2009 7:00 AM 0.01 0.2 0.01 9.0 0.01 Light snow showers. Little accumulation.
12/23/2009 7:00 AM 0.01 0.1 0.01 8.5 0.01 Very light fine snow at mid-afternoon
12/24/2009 7:00 AM 0.00 0.0 M 8.0 M Clear & cold low of 2 F this morning.
12/25/2009 7:00 AM 0.00 0.0 M 7.5 M
12/26/2009 7:00 AM 0.52 0.5 M 6.0 M Sleet, snow, freezing rain mix through mid-day, then occasional rain & drizzle from late afternoon through the overnight hours.
12/27/2009 7:00 AM 0.09 0.0 M 5.5 M Light rain/drizzle
12/28/2009 7:00 AM 0.11 2.0 0.11 7.0 0.11 Snow showers & gusty winds began shortly before midnight.
12/29/2009 7:00 AM 0.12 3.2 0.12 8.0 0.12 Snow and snow showers through the day, tapering off by midnight with a few lingering flurries/light snow showers. Very strong winds & significant drifting made depth measurement quite difficult.
12/30/2009 7:00 AM T T T 7.5 T Few fluries. Cold low 5 F this morning.
12/31/2009 7:00 AM 0.25 2.6 0.25 9.0 0.25 Snow overnight, tapering off early this morning to light freezing drizzle
1/1/2010 7:00 AM 0.17 0.5 0.05 9.0 M Light rain/drizzle to sleet then snow overnight.
1/2/2010 7:00 AM 0.24 5.0 0.24 11.0 0.24 Steady snow through the 24-hour period - cold - windy -blustery
1/3/2010 7:00 AM 0.13 1.5 0.13 11.5 0.13 Still snowing. Occasional snow squalls yesterday, then very fine, light, steady snow overnight. Winds gusting to 45 mph are causing much blowing & drifting, making measuring the snow difficult. Snow water content has actually increased as the snow has become finer and denser.
1/4/2010 7:00 AM 0.16 6.0 0.16 15.0 0.16 Moderate snow resumed after sunset yesterday and continued overnight. Snow was very light & fluffy, again with lots of blowing & drifting.
1/5/2010 7:00 AM 0.14 5.0 0.14 17.0 0.14 Light steady snows through the 24-hour period. Moderate at times overnight.
1/6/2010 7:00 AM 0.27 7.5 0.27 21.0 0.27 Snow continued through the day, with once again the heaviest snow during the mid-late evening hours. 5.5" additional yesterday + 2.0" overnight = 7.5" since yesterday's OBS time. 21" now on the ground!
1/7/2010 7:00 AM 0.16 1.5 0.16 19.5 0.16 Light snow and flurries through the past 24 hours. Snow is much more dense thus much higher water content. As a result, this top layer of "heavier" snow has packed down the snow.
1/8/2010 7:00 AM 0.22 4.2 0.22 21.0 0.22 More snow overnight.
1/9/2010 7:00 AM 0.10 3.7 0.10 22.0 M More snow
1/10/2010 7:00 AM 0.01 0.4 0.01 20.0 0.01 Very light snow & flurries overnight
1/11/2010 7:00 AM T 0.2 T 18.0 T Snow flurries
1/12/2010 7:00 AM 0.08 3.2 0.08 19.0 0.08 Periods of light to moderate snow commenced ~ 2:30 yesterday afternoon and continued overnight.
1/13/2010 7:00 AM 0.02 0.4 0.02 18.0 0.02 Light snow showers, ending overnight.
1/14/2010 7:00 AM 0.00 0.0 M 16.0 M
1/15/2010 7:00 AM 0.00 0.0 M 13.0 M
1/16/2010 7:00 AM 0.00 0.0 M 10.5 M
1/17/2010 7:00 AM 0.00 0.0 M 8.5 M
1/18/2010 7:00 AM 0.79 T M 7.0 M Moderate to heavy rain during the mid-late AM hours, tapered to drizzle by mid-day, a brief period of mixed snow/sleet late evening, no measurable accumulation
1/19/2010 7:00 AM 0.00 0.0 M 6.0 M
1/20/2010 7:00 AM 0.01 T M 6.0 M Very light freezing drizzle yesterday morning - fog.
1/21/2010 7:00 AM T 0.1 T 6.0 T Very light snow at midday
1/22/2010 7:00 AM 0.05 0.1 M 6.0 M Brief period of freezing rain/sleet overnight, some freezing drizzle, fog, 1/8" of ice/glaze
1/23/2010 7:00 AM 0.01 T M 6.0 M Some light freezing drizzle and brief spits of sleet late evening
1/24/2010 7:00 AM 0.00 0.0 M 5.0 M
1/25/2010 7:00 AM 1.75 0.0 M 3.0 M Rain, heavy at times overnight.
1/26/2010 7:00 AM 0.21 1.3 0.07 3.5 0.07 Occasional rain showers, changing to snow showers overnight, windy & turning colder
1/27/2010 7:00 AM 0.07 1.0 0.07 4.0 0.07 Light snow showers throughout the day and lingering overnight.
1/28/2010 7:00 AM 0.10 1.5 0.10 4.5 0.10 Snow showers developing overnight - windy
1/29/2010 7:00 AM T T M 4.0 M
1/30/2010 7:00 AM T T M 4.0 M
1/31/2010 7:00 AM 0.00 0.0 M 4.0 M Zero snow. All went south of us.
2/1/2010 7:00 AM 0.00 0.0 M 3.0 M
2/2/2010 7:00 AM 0.00 0.0 M 3.0 M
2/3/2010 7:00 AM 0.01 0.1 0.01 3.0 0.01 Very light snow
2/4/2010 7:00 AM 0.05 1.0 0.05 3.0 M Occasional snow showers
2/5/2010 7:00 AM 0.00 0.0 M 3.0 M
2/6/2010 7:00 AM 1.78 25.0 1.78 26.0 1.78 ***VERY HEAVY SNOWSTORM*** 25.0" of snow from noon yesterday to 7 this morning. 17" on 2/5 and another 8" overnight 2/6. This is the heaviest snow I've measured in 24 hours (really only 19 hours). 16" of snow fell from 7pm to 1 am last night, averaging a rate of 2 to 3 inches per hour for 6 hours! Incredible storm! It is still snowing lightly.
2/7/2010 7:00 AM 0.14 1.5 0.14 26.0 1.92 Light snow, ending abruptly by 1245 yesterday and skies clearing afterwards. Low of 1 F recorded overnight. Surprised to see snow flurries again this morning. *Storm total from Feb 5th-6th 26.5" in 24 hours* and 1.92" water equivalent from core sample. This storm rivaled the great blizzards of 1996 & 2003.
2/8/2010 7:00 AM 0.01 0.9 0.01 24.5 0.01 Light snow showers & flurries through the day & overnight. Low of 1 F yesterday morning, high 22. Still a few flurries at obs time this morning.
2/9/2010 7:00 AM T T T 21.0 T
2/10/2010 7:00 AM 0.60 6.0 0.60 25.0 0.60 Intermittent snow, becoming steadier and heavier overnight with windy conditions, blowing & drifting snow this morning.
2/11/2010 7:00 AM 0.76 8.0 0.76 33.0 1.36 Steady snow through the day yesterday, gradually tapering off during the overnight hours. Blowing snow & blizzard conditions. 33" of snow on ground is a new station record since it opened in August of 2004. Still very light snow falling w/ windy conditions.
2/12/2010 7:00 AM 0.18 3.0 0.18 33.0 1.54 Light snow through the 24-hour period. 33" of snow on ground.
2/13/2010 7:00 AM 0.02 0.4 0.02 31.5 0.02 Very light snow or snow showers.
2/14/2010 7:00 AM 0.13 2.5 0.13 30.0 0.13 Occasional snow showers/squalls yesterday afternoon gave way to a light, steady snow overnight.
2/15/2010 7:00 AM 0.06 0.7 0.06 29.0 0.12 Light intermittent snow yesterday, tapering off during the evening with clearing overnight. Winter storm warnings are in effect for today and tomorrow, however.
2/16/2010 7:00 AM 0.36 4.8 0.36 29.5 0.36 Moderate snow during the early afternoon hours, tapering to lighter, more intermittent snows by nightfall. Snow ended for awhile then resumed overnight, and remained light in intensity.
2/17/2010 7:00 AM 0.21 4.4 0.21 30.0 0.57 Light snow
2/18/2010 7:00 AM 0.27 2.1 0.27 31.0 0.27 Snow showers, changed to and mixed with freezing drizzle and very fine, dense ice pellets. This is the reason for the higher water content.
2/19/2010 7:00 AM 0.16 1.3 0.16 30.0 0.36 Light mix then snow showers, ending late evening
2/20/2010 7:00 AM 0.00 0.0 M 28.0 M
2/21/2010 7:00 AM 0.00 0.0 M 26.5 M
2/22/2010 7:00 AM 0.00 0.0 M 25.0 M
2/23/2010 7:00 AM 0.16 0.5 0.12 24.0 0.16 A couple of brief bursts of sleet and snow at mid-afternoon; freezing drizzle during the evening and overnight hours. Light fog this morning.
2/24/2010 7:00 AM 0.04 0.1 M 22.5 M Light snow/sleet mix ended overnight
2/25/2010 7:00 AM T T T 21.0 T Very light snow commencing shortly before obs time; not measurable.
2/26/2010 7:00 AM 0.26 5.5 0.26 25.0 0.26 Light snow developed early yesterday morning, becoming moderate to heavy at times overnight. Very difficult measurement due to heavy blowing and drifting. Wind has been gusting to 45 mph at times.
2/27/2010 7:00 AM 0.41 7.9 0.41 29.0 0.67 Snow and blowing snow, very windy through mid-afternoon with winds gradually slackening during the evening, snow was often moderate in intensity. We continue to add to our record monthly total, which, as of 7am this morning, is 75.7".
2/28/2010 7:00 AM 0.65 8.9 0.65 32.0 1.38 Steady snow all day yesterday and all night last night. A surprising 8.9" of additional snowfall since yesterday morning. Monthly total now stands at a whopping 84.6 inches! This will probably go down as the snowiest month ever on record for the Johnstown area.
3/1/2010 7:00 AM 0.31 2.1 0.31 32.5 0.31 Snow showers yesterday, mixing with sleet overnight and early this morning
3/2/2010 7:00 AM 0.04 0.1 0.03 31.0 0.03 Light showers of snow and sleet, tapering off by evening.
3/3/2010 7:00 AM 0.04 0.7 0.04 31.0 0.04 Light snow overnight, did not last long.
3/4/2010 7:00 AM T T T 29.5 T
3/5/2010 7:00 AM 0.00 0.0 M 28.0 M
3/6/2010 7:00 AM 0.00 0.0 M 27.0 M
3/7/2010 7:00 AM 0.00 0.0 M 26.0 M
3/8/2010 7:00 AM 0.00 0.0 M 24.0 6.96 Clear & sunny. Took a core sample of the snow this morning - 6.96" is our SWE!
3/9/2010 7:00 AM 0.00 0.0 M 23.0 M
3/10/2010 7:00 AM 0.00 0.0 M 21.0 M
3/11/2010 7:00 AM 0.00 0.0 M 19.0 M
3/12/2010 7:00 AM 0.40 0.0 M 15.0 M Rain overnight, ended around daybreak
3/13/2010 7:00 AM 0.10 0.0 M 12.0 M Light rain/drizzle overnight.
3/14/2010 7:00 AM 0.49 0.0 M 9.5 M Intermittent rain & drizzle. This area seemed to get a lot less than many surrounding areas, especially northeast. Within 20-30 miles in that direction, 2-3 inches fell! Some scattered flooding, mostly due to snow melt, but nothing too serious.
3/15/2010 7:00 AM 0.07 0.0 M 8.0 M Occasional drizzle, fog.
3/16/2010 7:00 AM T 0.0 M 6.5 M
3/17/2010 7:00 AM 0.00 0.0 M 5.5 M
3/18/2010 7:00 AM 0.00 0.0 M 3.0 M
3/19/2010 7:00 AM 0.00 0.0 M 1.0 M Snow is very patchy.
3/20/2010 7:00 AM 0.00 0.0 M T M
3/21/2010 7:00 AM 0.00 0.0 M 0.0 M
3/22/2010 7:00 AM 0.10 0.0 M 0.0 M A brief period of rain early this morning. We had a high temperature of 72 yesterday, the warmest reading since last September 23 (74).
3/23/2010 7:00 AM 0.13 0.0 M 0.0 M Some thunder yesterday evening; brief showers
3/24/2010 7:00 AM 0.23 T M 0.0 M Light rain showers, briefly mixing with sleet & snow. Cold, windy & blustery.
3/25/2010 7:00 AM 0.01 0.0 M 0.0 M
3/26/2010 7:00 AM 0.44 0.0 M 0.0 M Rain commenced 6pm, light to moderate, ended overnight, temps fell from 65.4 yesterday to 29.9 by this morning as the cold front passed through.
3/27/2010 7:00 AM 0.00 0.0 M M M
3/28/2010 7:00 AM 0.00 0.0 M M M
3/29/2010 7:00 AM 0.67 0.0 M 0.0 M Rain yesterday afternoon and early evening, heavy at times.
3/30/2010 7:00 AM 0.08 0.0 M 0.0 M Rain shower yesterday evening
3/31/2010 7:00 AM 0.00 0.0 M 0.0 M
4/1/2010 7:00 AM 0.00 0.0 M M M
4/2/2010 7:00 AM 0.00 0.0 M M M Yesterday we had a record high temperature of 80 F. This was after a chilly low of 38.
4/3/2010 7:00 AM 0.00 0.0 M M M *Record High 84 F yesterday* with a low of 48. Unusually warm for this time of year, some fire danger & red flag alerts in effect due to the warmth/dryness.
4/4/2010 7:00 AM 0.00 0.0 M M M
4/5/2010 7:00 AM 0.00 0.0 M M M
4/6/2010 7:00 AM 0.01 0.0 M M M Thunder around 5am, with a brief shower.
4/7/2010 7:00 AM 0.00 0.0 M M M
4/8/2010 7:00 AM 0.00 0.0 M M M
4/9/2010 7:00 AM 0.17 0.0 M M M Brief gusty thunderstorm about 4pm, followed by lighter rains and rapidly falling temps. Low 35 F this morning, cloudy & breezy/blustery.
4/10/2010 7:00 AM 0.01 T M 0.0 M Light drizzle and snow flurries yesterday with temperatures only in the upper 30s. Snow melted with no accumulation. This was quite a dramatic change from last week's string of days in the 80s.
4/11/2010 7:00 AM 0.00 0.0 M M M
4/12/2010 7:00 AM 0.00 0.0 M M M
4/13/2010 7:00 AM 0.00 0.0 M M M
4/14/2010 7:00 AM 0.24 0.0 M M M Rain during the AM hours yesterday. Clear & cool (low 29 F) overnight with dense AM fog.
4/15/2010 7:00 AM 0.00 0.0 M M M
4/16/2010 7:00 AM 0.00 0.0 M M M
4/17/2010 7:00 AM 0.66 0.0 M M M A peak rain rate of 5.94"/hour was recorded by my Davis Vantage Vue station at 8:45pm this evening. Brief, very heavy rains were also observed at 4:40pm during a severe thunderstorm that dropped pea-sized hail (see my hail report) and wind gusts to 62 mph, bringing down trees and power lines, with one tree down in our backyard and lots of branches littering the yard. I also witnessed a lightning strike less than 100 feet away while filming the storm!
4/18/2010 7:00 AM T T M 0.0 M Few spits of sleet (ice pellets) and snow. Chilly & blustery.
4/19/2010 7:00 AM 0.03 T M 0.0 M Brief rain shower yesterday evening, some light snow flurries mixed in.
4/20/2010 7:00 AM 0.00 0.0 M M M
4/21/2010 7:00 AM 0.00 0.0 M M M
4/22/2010 7:00 AM 0.00 0.0 M M M
4/23/2010 7:00 AM T 0.0 M M M Very brief rain showers yesterday afternoon - trace.
4/24/2010 7:00 AM 0.00 0.0 M M M
4/25/2010 7:00 AM 0.30 0.0 M M M Occasional light rain commencing mid-day yesterday, with intermittent rain overnight.
4/26/2010 7:00 AM 0.68 0.0 M M M Scattered strong to severe thunderstorms in the area during the late afternoon hours yesterday. Peak rainfall rate was 4.57"/hr at 5pm. Quarter-sized hail was reported just north & east of station. Intermittent rain and showers continued overnight and through this morning.
4/27/2010 7:00 AM 0.53 0.0 M M M Rain and showers, ended by 11pm last night, we now have a fair, cool morning.
4/28/2010 7:00 AM 0.00 0.0 M M M
4/29/2010 7:00 AM 0.00 0.0 M M M
4/30/2010 7:00 AM 0.00 0.0 M M M
5/1/2010 7:00 AM 0.00 0.0 M M M
5/2/2010 7:00 AM T 0.0 M M M
5/3/2010 7:00 AM 0.68 0.0 M M M Occasional rain showers. Briefly heavy at times.
5/4/2010 7:00 AM 0.27 0.0 M M M A brief downpour yesterday from 9:30-10am, PM clearing.
5/5/2010 7:00 AM 0.08 0.0 M M M Very localized brief shower at 1:35 pm yesterday with about 2 minutes of pea-sized hail.
5/6/2010 7:00 AM 0.15 0.0 M M M Thunderstorms around daybreak. The heavy rain didn't last long.
5/7/2010 7:00 AM 0.00 0.0 M M M
5/8/2010 7:00 AM 0.83 0.0 M M M Heavy rain and thunderstorms from 4 to 6:30 am.
5/9/2010 7:00 AM 0.26 T M 0.0 M Rain showers overnight, some wet snow flakes mixed in. Strong W winds gusting 45+ mph, some minor damage and power outages, temps dropped to 33 F this morning.
5/10/2010 7:00 AM 0.01 T M 0.0 M Very late season snow showers early yesterday morning. No measurable accumulation. Light frost overnight last night.
5/11/2010 7:00 AM 0.00 0.0 M M M
5/12/2010 7:00 AM 1.60 T M 0.0 M A cold rain yesterday (temps in the mid 30s most of the day, very chilly for May) commenced about 10am and was mixed with sleet. Rain became more showery in nature by mid-afternoon and was heavy at times, still mixed with sleet, and occasionally accompanied by thunder. Heaviest downpour was around 1 am last night. Temps warmed into the 50s by daybreak.
5/13/2010 7:00 AM 0.09 0.0 M M M A few brief rain showers
5/14/2010 7:00 AM 0.01 0.0 M M M Light drizzle/fog/mist much of day
5/15/2010 7:00 AM 0.68 0.0 M M M SEVERE thunderstorms yesterday afternoon. Most notably at 3:40pm with dime-sized hail (see my hail report), damaging winds, street flooding, intense frequent lightning. Hail accumulated in some areas and was reported to be up to golf ball size in parts of Johnstown. 2nd storm hit brief but hard at 7:45pm and brought a peak rainfall rate of 6.62"/hr (first had a peak rate of 6.26"/hr) with .26" in 5 mins and 40+ mph wind gusts. Raw video footage of the first storm is posted on youtube: http://www.youtube.com/watch?v=v7b-0GQz92Q
5/16/2010 7:00 AM 0.00 0.0 M M M
5/17/2010 7:00 AM 0.03 0.0 M M M Light rain began around 6am.
5/18/2010 7:00 AM 1.41 0.0 M M M Rain, mostly yesterday, heavy at times. Temps steady in the upper 40s, breezy.
5/19/2010 7:00 AM 0.16 0.0 M M M A rain shower yesterday morning from about 10:40-11:40am. Cool & dreary again with temps struggling to 50. No more measurable rainfall after 11:40am.
5/20/2010 7:00 AM 0.00 0.0 M M M
5/21/2010 7:00 AM 0.00 0.0 M M M
5/22/2010 7:00 AM 0.00 0.0 M M M
5/23/2010 7:00 AM 0.95 0.0 M M M Rain showers, heavy at times, patchy dense fog, little wind, little temperature change in past 24 hrs (64/57)
5/24/2010 7:00 AM 0.08 0.0 M M M Very brief downpour at 3:15pm; a brief light shower at 6pm.
5/25/2010 7:00 AM 0.02 0.0 M M M Brief rain shower at 1:15pm
5/26/2010 7:00 AM 0.00 0.0 M M M
5/27/2010 7:00 AM 0.00 0.0 M M M
5/28/2010 7:00 AM 0.00 0.0 M M M
5/29/2010 7:00 AM 0.16 0.0 M M M Mild thunderstorm from 3 to 3:30pm. Storms were very localized in nature with some parts of town getting more and others getting nothing. Other areas, particularly east & south along Allegheny Mtn. were hammered by severe hail, damaging winds & flash flooding.
5/30/2010 7:00 AM 0.00 0.0 M M M
5/31/2010 7:00 AM 0.00 0.0 M M M
6/1/2010 7:00 AM 0.16 M M M M Mild thunderstorm at 4pm. Thunder lasted for over an hour. Not much rain or wind, despite severe warnings.
6/2/2010 7:00 AM 0.07 M M M M A brief, isolated shower at 6:30pm.
6/3/2010 7:00 AM 0.11 M M M M Brief thundershower at 1:10am last night
6/4/2010 7:00 AM 0.05 M M M M Brief shower at 12:15am.
6/5/2010 7:00 AM 0.81 M M M M A series of brief but heavy showers & thunderstorms began around 7:30pm and continued overnight. Heaviest storm was around 9:15pm and had intense lightning.
6/6/2010 7:00 AM 1.25 0.0 M M M A couple periods of heavy rain & thunder, especially between 5-6pm yesterday (0.83" within the hour). Some roads and basements flooded. Became very windy overnight - we are now in a TORNADO watch!
6/7/2010 7:00 AM 0.19 M M M M Very windy, especially in the morning. Brief downpour at noon.
6/8/2010 7:00 AM T M M M M
6/9/2010 7:00 AM 0.15 0.0 M M M Rain began ~ 5:30am.
6/10/2010 7:00 AM 1.23 0.0 M M M Rain showers, heavy at times
6/11/2010 7:00 AM 0.00 0.0 M M M
6/12/2010 7:00 AM 0.00 0.0 M M M
6/13/2010 7:00 AM 0.00 0.0 M M M
6/14/2010 7:00 AM T M M M M
6/15/2010 7:00 AM T M M M M
6/16/2010 7:00 AM 0.05 M M M M
6/17/2010 7:00 AM T M M M M
6/18/2010 7:00 AM 0.00 0.0 M M M
6/19/2010 7:00 AM 0.00 0.0 M M M
6/20/2010 7:00 AM 0.37 M M M M Thunderstorms from about 8 to 9 pm.
6/21/2010 7:00 AM 0.00 0.0 M M M
6/22/2010 7:00 AM 0.00 0.0 M M M
6/23/2010 7:00 AM 0.35 0.0 M 0.0 M Thunderstorm yesterday morning at 9am; showers continued through 10am.
6/24/2010 7:00 AM 0.45 0.0 M 0.0 M Severe thunderstorm at 7pm blew down many trees in town and knocked out power to over 10,000 customers. Lightning, thunder & rain continued through 9pm.
6/25/2010 7:00 AM 0.29 0.0 M 0.0 M Brief downpour with thunder at 12:15 pm yesterday. All of the .29" fell in 10 minutes.
6/26/2010 7:00 AM 0.00 0.0 M M M
6/27/2010 7:00 AM 0.00 0.0 M M M
6/28/2010 7:00 AM T M M M M
6/29/2010 7:00 AM 0.07 0.0 M 0.0 M A couple brief showers at 2pm and 10pm
6/30/2010 7:00 AM 0.00 0.0 M M M
7/1/2010 7:00 AM 0.00 0.0 M M M
7/2/2010 7:00 AM 0.00 0.0 M M M
7/3/2010 7:00 AM 0.00 0.0 M M M
7/4/2010 7:00 AM 0.00 0.0 M M M
7/5/2010 7:00 AM 0.00 0.0 M M M
7/6/2010 7:00 AM 0.00 0.0 M M M High of 92 sets a new station record (records commenced Aug. 2004).
7/7/2010 7:00 AM 0.00 0.0 M M M High of 93 breaks yesterday's new station record of 92. Heat index peaked at 98. This is unusually hot for the Laurel Highlands of PA. No signficant precip has fallen here since June 24.
7/8/2010 7:00 AM 0.00 0.0 M 0.0 M A 3rd consecutive station record high temp (94.3 F) was set yesterday with a heat index of 99. We have only received .07" of rain in the past 2 weeks.
7/9/2010 7:00 AM 0.00 0.0 M 0.0 M Extreme heat continued with a high of 96.2 F breaking all 3 previous day's records for a station record high. Heat index peaked at 101 F. Still no rain.
7/10/2010 7:00 AM 0.60 0.0 M 0.0 M Strong t-storms on the east side of town during the afternoon completely missed this station. Rain showers during the evening hours brought some needed rainfall.
7/11/2010 7:00 AM 0.00 0.0 M M M
7/12/2010 7:00 AM 0.00 0.0 M M M
7/13/2010 7:00 AM 0.09 0.0 M 0.0 M A brief thundershower at 1:15pm quickly tapered to light rain and ended about 20 minutes later.
7/14/2010 7:00 AM 1.46 0.0 M 0.0 M A light rain shower at 10am (.03"), then periods of rain developed around 6pm and became heavy at times between 11pm and 2am with .90" of last night's 1.43" of additional rain falling in that time. Some locally heavier amounts of 2+ inches prompted flash flood warnings in the area, though flooding was minimal as most of it soaked in due to dry ground - indeed, this was a very welcome rain event.
7/15/2010 7:00 AM 0.00 0.0 M M M
7/16/2010 7:00 AM 0.00 0.0 M M M
7/17/2010 7:00 AM 0.19 0.0 M 0.0 M Brief thunderstorm downpour at 1:20pm. Rain only lasted 10 minutes here. Much heavier rain fell on the north & south sides of town.
7/18/2010 7:00 AM 0.12 0.0 M 0.0 M Very quick intense rain & thunder @ 2:05am. Only 5 mins of rain but .12" fell. Continuous lightning & thunder to north for several hours prior to the brief storm.
7/19/2010 7:00 AM 0.34 0.0 M 0.0 M Brief downpour w/ thunder at 5:30am.
7/20/2010 7:00 AM 0.28 0.0 M 0.0 M Rain shower yesterday evening 7:30-9pm.
7/21/2010 7:00 AM 0.19 0.0 M 0.0 M Brief downpour early yesterday morning shortly after obs time.
7/22/2010 7:00 AM 0.54 0.0 M 0.0 M A thunderstorm merely missed us to the NE between 7-8pm. A couple of heavy rain showers followed later in the evening.
7/23/2010 7:00 AM 0.00 0.0 M M M
7/24/2010 7:00 AM 0.02 0.0 M 0.0 M Freakishly hot and humid. High 90 F with a heat index of 102! It's been a long time since this type of heat has hit the Laurel Highlands. At 6:15pm a "bolt from the blue" hit somewhere in our backyard with thunder cracking directly overhead, even though there were no clouds overhead and the only storm in the area was 10 miles north. Never seen anything like it. Last night temps were in the upper 70s, with heat indeces in the low 80s! Almost unheard of. A light rain shower from 3-4am from decaying MCS (a broken record pattern of storms falling apart lately). Only .02" of rain fell.
7/25/2010 7:00 AM 0.06 0.0 M 0.0 M A couple of brief rain showers ~ 11:30pm last night. Lightning to the north but no thunder. Extreme heat & humidity with a high of 90 and a heat index of 102 again!
7/26/2010 7:00 AM 0.51 0.0 M 0.0 M Strong but brief t-storm @ 1145am yesterday, showers through 2:30pm, then clearing, fair skies this morning
7/27/2010 7:00 AM 0.00 0.0 M M M
7/28/2010 7:00 AM 0.00 0.0 M M M
7/29/2010 7:00 AM 0.48 0.0 M 0.0 M Intense t-storm at 2:30am. Brief very heavy rain, extremely close lightning strike at the storm's onset appeared to arc over the house and hit the woods only about 100 feet away! Max rain rate 6.19"/hr.
7/30/2010 7:00 AM 0.68 0.0 M 0.0 M Heavy rain and thunder at 8am yesterday morning (storm total 1.16"). Ended by 8:30 with partial clearing and more pleasant humidities, 55 deg. F this morning.
7/31/2010 7:00 AM 0.00 0.0 M 0.0 M Hi 80, low 55
8/1/2010 7:00 AM 0.07 0.0 M 0.0 M Light rain showers overnight (0.07" up to 7am, rain ended at 7:30am with an additional .02" that will be included in tomorrow's report).
8/2/2010 7:00 AM 0.02 0.0 M 0.0 M Light rain from 7 to 7:30 am yesterday morning. After 7:30 am no more rain fell.
8/3/2010 7:00 AM 0.00 0.0 M M M
8/4/2010 7:00 AM 0.07 0.0 M 0.0 M Very brief hard shower shortly before midnight last night.
8/5/2010 7:00 AM 0.59 0.0 M 0.0 M Brief, intense t-storm shortly after 6pm. Rain ended by 8pm. Brief light shower overnight.
8/6/2010 7:00 AM 0.22 0.0 M 0.0 M Brief heavy rain shower overnight
8/7/2010 7:00 AM 0.00 0.0 M M M
8/8/2010 7:00 AM 0.00 0.0 M M M
8/9/2010 7:00 AM 0.00 0.0 M M M
8/10/2010 7:00 AM 0.00 0.0 M M M
8/11/2010 7:00 AM 0.00 0.0 M M M
8/12/2010 7:00 AM 1.81 0.0 M 0.0 M Jolting thunderstorm overnight between 2-4am with very heavy downpours and almost continuous lightning & thunder. 1.81" fell in the 2-hour period, with 1.05" recorded in a half-hour between 2:30-3am.
8/13/2010 7:00 AM 0.06 0.0 M 0.0 M Brief rain shower at 2:30 pm. Overcast this morning.
8/14/2010 7:00 AM T 0.0 M 0.0 M
8/15/2010 7:00 AM 0.00 0.0 M M M
8/16/2010 7:00 AM 0.03 0.0 M 0.0 M
8/17/2010 7:00 AM 0.00 0.0 M M M
8/18/2010 7:00 AM 0.00 0.0 M M M
8/19/2010 7:00 AM 0.00 0.0 M M M
8/20/2010 7:00 AM 0.00 0.0 M M M
8/21/2010 7:00 AM 0.00 0.0 M M M
8/22/2010 7:00 AM 1.19 0.0 M 0.0 M Overnight rain heavy at times
8/23/2010 7:00 AM 0.17 0.0 M 0.0 M Rain showers thru mid-afternoon yesterday; very brief shower (.01") overnight.
8/24/2010 7:00 AM 0.17 0.0 M 0.0 M A few showers yesterday afternoon. Light drizzle overnight.
8/25/2010 7:00 AM 0.00 0.0 M M M
8/26/2010 7:00 AM 0.00 0.0 M M M
8/27/2010 7:00 AM 0.00 0.0 M M M
8/28/2010 7:00 AM 0.00 0.0 M M M
8/29/2010 7:00 AM 0.00 0.0 M M M
8/30/2010 7:00 AM 0.00 0.0 M M M
8/31/2010 7:00 AM 0.00 0.0 M M M
9/1/2010 7:00 AM 0.00 0.0 M M M
9/2/2010 7:00 AM 0.00 0.0 M M M
9/3/2010 7:00 AM 0.00 0.0 M M M
9/4/2010 7:00 AM 0.10 0.0 M 0.0 M A rain shower from about 5-5:30 pm yesterday. Gusty winds & cooler temperatures overnight.
9/5/2010 7:00 AM 0.00 0.0 M M M
9/6/2010 7:00 AM 0.00 0.0 M M M
9/7/2010 7:00 AM 0.00 0.0 M M M
9/8/2010 7:00 AM 0.00 0.0 M M M
9/9/2010 7:00 AM 0.00 0.0 M M M
9/10/2010 7:00 AM 0.00 0.0 M M M
9/11/2010 7:00 AM 0.00 0.0 M M M
9/12/2010 7:00 AM 0.18 0.0 M 0.0 M Light rain showers overnight
9/13/2010 7:00 AM 0.03 0.0 M 0.0 M Drizzle ended late AM yesterday
9/14/2010 7:00 AM 0.00 0.0 M M M
9/15/2010 7:00 AM 0.00 0.0 M M M
9/16/2010 7:00 AM 0.00 0.0 M M M
9/17/2010 7:00 AM 1.01 0.0 M 0.0 M Steady rain yesterday, occasioally heavy at times
9/18/2010 7:00 AM 0.01 0.0 M 0.0 M Drizzle early yesterday, otherwise dry
9/19/2010 7:00 AM 0.00 0.0 M M M
9/20/2010 7:00 AM T 0.0 M 0.0 M
9/21/2010 7:00 AM 0.00 0.0 M M M
9/22/2010 7:00 AM 0.00 0.0 M M M
9/23/2010 7:00 AM 0.32 0.0 M 0.0 M Brief but severe thunderstorm late yesterday afternoon. 1" diameter hail reported 4 miles SW of station, trees were blown down throughout town with several power outages, lightning caused a power line and tree to catch on fire.
9/24/2010 7:00 AM T 0.0 M 0.0 M
9/25/2010 7:00 AM 0.02 0.0 M 0.0 M Very brief showers overnight, breezy, very warm evening (12am obs temp 77!) then falling temps
9/26/2010 7:00 AM 0.00 0.0 M M M
9/27/2010 7:00 AM 0.06 0.0 M 0.0 M Light rain overnight
9/28/2010 7:00 AM 0.66 0.0 M 0.0 M Showery
9/29/2010 7:00 AM 0.02 0.0 M 0.0 M Rain ended early yesterday morning.
9/30/2010 7:00 AM 0.28 0.0 M 0.0 M Light to moderate rain began overnight.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground
4/16/2010 4:40 PM 1/4" Pea Size 1/4" Pea Size Rice Hard|Clear Ice|White Ice 2 1min no damage Continuous True After rain After smaller hail 50-60
5/4/2010 1:38 PM A brief rain shower began at 1:35pm with a couple minutes of on-and-off pea-sized hail. No lightning or thunder or damaging winds. This must have been very localized as there was sun shining in the adjacent valley while we were getting rain and hail. 1/4" Pea Size 1/4" Pea Size Rice Hard|White Ice 2 1min no damage Intermittent True After rain After smaller hail 10-20
5/14/2010 3:30 PM Severe thunderstorm hit my station at Westmont 1.1W at 3:30pm. Here the hail was at least dime-sized (5/8") and moderate to large hail also fell in the SE parts of town, with a report of up to golf ball sized hail in the Richland Township area. Also street flooding, wind damage and power outages were common all over Johnstown. This storm was very intense and rivaled the April 16th severe storm (which was also associated with hail and damaging winds). 5/8" 1/2" Grape 1/4" Pea Size Hard|White Ice 5 1min no damage Intermittent True After rain After smaller hail 30-40