Station Overview Station Location
Station Number PA-MT-25 Latitude 40.219182
Station Name Collegeville 2.2 N Longitude -75.453767
County Montgomery Elevation (ft) 151



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 10 4.06 8.62 5 8.62 5 0.00 0 0 3 0 0.0 0 0
Nov 10 3.61 0.00 1 0.00 1 0.00 0 0 0 0 0.0 0 0
Dec 10 3.83 0.00 2 0.00 2 0.00 0 0 0 0 0.0 0 0
Jan 11 3.26 0.09 4 0.09 4 0.00 0 0 1 0 0.0 0 0
Feb 11 2.63 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 11 3.55 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 11 3.75 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 11 4.08 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 11 3.99 0.62 3 0.62 3 0.00 0 0 1 0 0.0 0 0
July 11 4.55 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 11 3.99 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 11 4.62 9.85 14 9.85 14 0.00 0 0 11 0 0.0 0 0
Water Year Totals: 45.92" 19.18" 29 days 19.18" 29 0.00" 0 days 0 16 days 0 days 0.0" 0 days 0 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
10/1/2010 7.75
10/2/2010
10/3/2010
10/4/2010 0.22
10/5/2010 0.65
10/6/2010
10/7/2010
10/8/2010 0.00
10/9/2010
10/10/2010
10/11/2010
10/12/2010
10/13/2010
10/14/2010
10/15/2010
10/16/2010
10/17/2010
10/18/2010
10/19/2010
10/20/2010
10/21/2010
10/22/2010
10/23/2010
10/24/2010
10/25/2010
10/26/2010 0.00
10/27/2010
10/28/2010
10/29/2010
10/30/2010
10/31/2010
11/1/2010
11/2/2010
11/3/2010
11/4/2010
11/5/2010
11/6/2010
11/7/2010
11/8/2010 0.00
11/9/2010
11/10/2010
11/11/2010
11/12/2010
11/13/2010
11/14/2010
11/15/2010
11/16/2010
11/17/2010
11/18/2010
11/19/2010
11/20/2010
11/21/2010
11/22/2010
11/23/2010
11/24/2010
11/25/2010
11/26/2010
11/27/2010
11/28/2010
11/29/2010
11/30/2010
12/1/2010
12/2/2010
12/3/2010
12/4/2010
12/5/2010
12/6/2010
12/7/2010
12/8/2010
12/9/2010
12/10/2010
12/11/2010
12/12/2010
12/13/2010
12/14/2010
12/15/2010
12/16/2010
12/17/2010 0.00
12/18/2010
12/19/2010
12/20/2010 0.00
12/21/2010
12/22/2010
12/23/2010
12/24/2010
12/25/2010
12/26/2010
12/27/2010
12/28/2010
12/29/2010
12/30/2010
12/31/2010
Day of YearDaily PrcpMultiday Prcp
1/1/2011
1/2/2011
1/3/2011
1/4/2011
1/5/2011 0.00
1/6/2011 0.00
1/7/2011 0.09
1/8/2011
1/9/2011
1/10/2011 0.00
1/11/2011
1/12/2011
1/13/2011
1/14/2011
1/15/2011
1/16/2011
1/17/2011
1/18/2011
1/19/2011
1/20/2011
1/21/2011
1/22/2011
1/23/2011
1/24/2011
1/25/2011
1/26/2011
1/27/2011
1/28/2011
1/29/2011
1/30/2011
1/31/2011
2/1/2011
2/2/2011
2/3/2011
2/4/2011
2/5/2011
2/6/2011
2/7/2011
2/8/2011
2/9/2011
2/10/2011
2/11/2011
2/12/2011
2/13/2011
2/14/2011
2/15/2011
2/16/2011
2/17/2011
2/18/2011
2/19/2011
2/20/2011
2/21/2011
2/22/2011
2/23/2011
2/24/2011
2/25/2011
2/26/2011
2/27/2011
2/28/2011
3/1/2011
3/2/2011
3/3/2011
3/4/2011
3/5/2011
3/6/2011
3/7/2011
3/8/2011
3/9/2011
3/10/2011
3/11/2011
3/12/2011
3/13/2011
3/14/2011
3/15/2011
3/16/2011
3/17/2011
3/18/2011
3/19/2011
3/20/2011
3/21/2011
3/22/2011
3/23/2011
3/24/2011
3/25/2011
3/26/2011
3/27/2011
3/28/2011
3/29/2011
3/30/2011
3/31/2011
Day of YearDaily PrcpMultiday Prcp
4/1/2011
4/2/2011
4/3/2011
4/4/2011
4/5/2011
4/6/2011
4/7/2011
4/8/2011
4/9/2011
4/10/2011
4/11/2011
4/12/2011
4/13/2011
4/14/2011
4/15/2011
4/16/2011
4/17/2011
4/18/2011
4/19/2011
4/20/2011
4/21/2011
4/22/2011
4/23/2011
4/24/2011
4/25/2011
4/26/2011
4/27/2011
4/28/2011
4/29/2011
4/30/2011
5/1/2011
5/2/2011
5/3/2011
5/4/2011
5/5/2011
5/6/2011
5/7/2011
5/8/2011
5/9/2011
5/10/2011
5/11/2011
5/12/2011
5/13/2011
5/14/2011
5/15/2011
5/16/2011
5/17/2011
5/18/2011
5/19/2011
5/20/2011
5/21/2011
5/22/2011
5/23/2011
5/24/2011
5/25/2011
5/26/2011
5/27/2011
5/28/2011
5/29/2011
5/30/2011
5/31/2011
6/1/2011
6/2/2011
6/3/2011
6/4/2011
6/5/2011
6/6/2011 0.00
6/7/2011
6/8/2011 0.00
6/9/2011
6/10/2011
6/11/2011
6/12/2011
6/13/2011
6/14/2011
6/15/2011
6/16/2011
6/17/2011 0.62
6/18/2011
6/19/2011
6/20/2011
6/21/2011
6/22/2011
6/23/2011
6/24/2011
6/25/2011
6/26/2011
6/27/2011
6/28/2011
6/29/2011
6/30/2011
Day of YearDaily PrcpMultiday Prcp
7/1/2011
7/2/2011
7/3/2011
7/4/2011
7/5/2011
7/6/2011
7/7/2011
7/8/2011
7/9/2011
7/10/2011
7/11/2011
7/12/2011
7/13/2011
7/14/2011
7/15/2011
7/16/2011
7/17/2011
7/18/2011
7/19/2011
7/20/2011
7/21/2011
7/22/2011
7/23/2011
7/24/2011
7/25/2011
7/26/2011
7/27/2011
7/28/2011
7/29/2011
7/30/2011
7/31/2011
8/1/2011
8/2/2011
8/3/2011
8/4/2011
8/5/2011
8/6/2011
8/7/2011
8/8/2011
8/9/2011
8/10/2011
8/11/2011
8/12/2011
8/13/2011
8/14/2011
8/15/2011
8/16/2011
8/17/2011
8/18/2011
8/19/2011
8/20/2011
8/21/2011
8/22/2011
8/23/2011
8/24/2011
8/25/2011
8/26/2011
8/27/2011
8/28/2011
8/29/2011
8/30/2011
8/31/2011
9/1/2011
9/2/2011
9/3/2011
9/4/2011
9/5/2011
9/6/2011 0.80
9/7/2011 3.80
9/8/2011 2.13
9/9/2011 0.26
9/10/2011
9/11/2011
9/12/2011 0.00
9/13/2011
9/14/2011 0.00
9/15/2011 0.00
9/16/2011 0.06
9/17/2011
9/18/2011
9/19/2011 0.01
9/20/2011
9/21/2011
9/22/2011 0.06
9/23/2011 0.01
9/24/2011 1.60
9/25/2011
9/26/2011
9/27/2011
9/28/2011 0.73
9/29/2011
9/30/2011 0.39



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 7:00 AM 7.75 M M M M rain continued overnight into early Friday. Perkiomen Creek at 14.78ft which is major flooding. Most rain fell overnight Thurs-Fri with only 2.5 inches during the day Thurs.
10/4/2010 7:45 AM 0.22 M M M M drizzly and chilly 46F
10/5/2010 7:00 AM 0.65 M M M M mostly drizzle with periods of slightly more intensity, chilly 48F this morning
10/8/2010 7:30 AM 0.00 0.0 M M M clear sky
10/26/2010 8:30 AM 0.00 0.0 M M M At 8:30AM we have 65F air temp and 61F dew point and the sky is lowering.
11/8/2010 7:00 AM 0.00 0.0 M M M
12/17/2010 7:30 AM 0.00 0.0 M M M slight snow showers all day. no accumulation
12/20/2010 7:30 AM 0.00 0.0 M M M clear, 28F(pactically balmy), wind from NW 7mph
1/5/2011 7:30 AM 0.00 0.0 M M M clear and 37F
1/6/2011 7:30 AM 0.00 0.0 M M M 21F, hazy and calm
1/7/2011 8:30 AM 0.09 M M M M 1.75 inches of snow (0.09 in of melted water) fell between 6:30 and 8:30AM just as rush hour began. The first fall was light, dusty, little ball bearings which seemed to fall on the roads rather than the grass. Within moments that stuff changed to equally slippery slush over a glaze of ice which formed on the very cold road surface, ie Driving conditions which "wonderfully focus the mind"
1/10/2011 7:30 AM 0.00 0.0 M M M clear and 22F. barometer 30.24in and rising. NW wind at 8mph
6/6/2011 8:30 AM 0.00 0.0 M M M
6/8/2011 8:30 AM 0.00 0.0 M M M very hot and very very dry. The air is like an oven sucking water out of plants faster than most can replace it. The ground is cracked and fissured, but just 3 weeks ago we thought the rain would never stop!
6/17/2011 8:30 AM 0.62 M M M M
9/6/2011 8:30 AM 0.80 M M M M on-off showers, some heavy at times
9/7/2011 6:30 AM 3.80 M M M M almost constant showers since Monday night, some light, some heavy. NO wind. Ground is saturated from previous events. School is delayed due to flooded roads.
9/8/2011 6:30 AM 2.13 M M M M heavy rain and thunder storms over night. Both Skippack and Perkiomen Creeks are running just below the bridge decks at this time.
9/9/2011 6:30 AM 0.26 M M M M misty precip presently
9/12/2011 8:30 AM 0.00 0.0 M M M
9/14/2011 8:25 AM 0.00 0.0 M M M Today was suuny day with 86 percent of humidity.
9/15/2011 8:10 AM 0.00 0.0 M M M trace
9/16/2011 8:00 AM 0.06 M M M M barometric pressure: 30.23 in. temperature 70 degrees fahrenheit
9/19/2011 8:11 AM 0.01 M M M M Clear skies, Barometer 30.24 going down. Tempature is 53 degrees farenheiht and going up
9/22/2011 8:05 AM 0.06 0.0 M M M (edit: daily precip initially recorded as 0.60". changed to NA due to decimal error suspicion. observer contacted. P.G.) (observer-confirmed 0.06". P.G.)
9/23/2011 8:05 AM 0.01 M M M M 71F barometer is 30.08in and falling. Overcast and muggy
9/24/2011 8:30 AM 1.60 M M M M heavy rain throughout the night on Friday
9/28/2011 8:30 AM 0.73 M M M M currently overcast and drizzle. Some heavier rain overnight
9/30/2011 8:10 AM 0.39 M M M M Barometer:29.73 Temperature:58 degrees Fahrenheit



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