Station Overview Station Location
Station Number CO-BO-8 Latitude 39.9925
Station Name Lafayette 0.4 WSW Longitude -105.1057
County Boulder Elevation (ft) 5285



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 16 1.12 0.43 31 0.43 31 0.00 0 0 4 2 0.0 0 0
Nov 16 0.95 0.42 30 0.42 30 0.00 0 0 3 2 4.6 1 2
Dec 16 0.70 0.55 31 0.55 31 0.00 0 0 5 3 9.9 5 9
Jan 17 0.49 0.96 31 0.96 31 0.00 0 0 6 5 14.4 8 11
Feb 17 0.47 0.23 28 0.23 28 0.00 0 0 3 3 4.3 2 2
March 17 1.56 0.59 31 0.59 31 0.00 0 0 7 1 0.0 0 0
April 17 2.01 2.42 30 2.42 30 0.00 0 0 11 3 12.0 4 4
May 17 2.25 5.23 31 5.23 31 0.00 0 0 15 2 6.1 2 2
June 17 1.88 0.21 30 0.21 30 0.00 0 0 4 4 0.0 0 0
July 17 1.54 0.51 31 0.51 31 0.00 0 0 7 9 0.0 0 0
Aug 17 1.65 1.05 31 1.05 31 0.00 0 0 12 5 0.0 0 0
Sept 17 1.40 1.33 30 1.33 30 0.00 0 0 8 5 0.0 0 0
Water Year Totals: 16.02" 13.93" 365 days 13.93" 365 0.00" 0 days 0 85 days 44 days 51.3" 22 days 30 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
10/1/2016 T
10/2/2016 0.00
10/3/2016 0.00
10/4/2016 0.00
10/5/2016 0.00
10/6/2016 0.24
10/7/2016 0.07
10/8/2016 0.00
10/9/2016 0.00
10/10/2016 0.00
10/11/2016 0.00
10/12/2016 0.11
10/13/2016 0.01
10/14/2016 0.00
10/15/2016 0.00
10/16/2016 0.00
10/17/2016 0.00
10/18/2016 0.00
10/19/2016 T
10/20/2016 0.00
10/21/2016 0.00
10/22/2016 0.00
10/23/2016 0.00
10/24/2016 0.00
10/25/2016 0.00
10/26/2016 0.00
10/27/2016 0.00
10/28/2016 0.00
10/29/2016 0.00
10/30/2016 0.00
10/31/2016 0.00
11/1/2016 0.00
11/2/2016 T
11/3/2016 0.00
11/4/2016 0.00
11/5/2016 0.00
11/6/2016 0.00
11/7/2016 0.00
11/8/2016 0.00
11/9/2016 0.00
11/10/2016 0.00
11/11/2016 0.00
11/12/2016 0.00
11/13/2016 0.00
11/14/2016 0.00
11/15/2016 0.00
11/16/2016 0.00
11/17/2016 0.00
11/18/2016 0.36
11/19/2016 0.00
11/20/2016 0.00
11/21/2016 0.00
11/22/2016 0.02
11/23/2016 0.04
11/24/2016 0.00
11/25/2016 0.00
11/26/2016 0.00
11/27/2016 0.00
11/28/2016 T
11/29/2016 0.00
11/30/2016 0.00
12/1/2016 0.00
12/2/2016 0.00
12/3/2016 0.01
12/4/2016 0.00
12/5/2016 0.00
12/6/2016 T
12/7/2016 0.14
12/8/2016 0.04
12/9/2016 0.00
12/10/2016 0.00
12/11/2016 0.06
12/12/2016 0.00
12/13/2016 0.00
12/14/2016 0.00
12/15/2016 T
12/16/2016 0.00
12/17/2016 0.30
12/18/2016 T
12/19/2016 0.00
12/20/2016 0.00
12/21/2016 0.00
12/22/2016 0.00
12/23/2016 0.00
12/24/2016 0.00
12/25/2016 0.00
12/26/2016 0.00
12/27/2016 0.00
12/28/2016 0.00
12/29/2016 0.00
12/30/2016 0.00
12/31/2016 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2017 0.00
1/2/2017 0.00
1/3/2017 0.02
1/4/2017 T
1/5/2017 0.57
1/6/2017 0.03
1/7/2017 0.00
1/8/2017 0.00
1/9/2017 0.00
1/10/2017 T
1/11/2017 0.00
1/12/2017 T
1/13/2017 0.01
1/14/2017 0.00
1/15/2017 0.00
1/16/2017 0.24
1/17/2017 0.09
1/18/2017 0.00
1/19/2017 0.00
1/20/2017 0.00
1/21/2017 0.00
1/22/2017 0.00
1/23/2017 0.00
1/24/2017 T
1/25/2017 T
1/26/2017 0.00
1/27/2017 0.00
1/28/2017 0.00
1/29/2017 0.00
1/30/2017 0.00
1/31/2017 0.00
2/1/2017 0.00
2/2/2017 0.02
2/3/2017 T
2/4/2017 T
2/5/2017 0.00
2/6/2017 0.00
2/7/2017 0.00
2/8/2017 0.00
2/9/2017 0.00
2/10/2017 0.00
2/11/2017 0.00
2/12/2017 0.00
2/13/2017 0.00
2/14/2017 0.00
2/15/2017 0.00
2/16/2017 0.00
2/17/2017 0.00
2/18/2017 0.00
2/19/2017 0.00
2/20/2017 T
2/21/2017 0.00
2/22/2017 0.00
2/23/2017 0.00
2/24/2017 0.19
2/25/2017 0.02
2/26/2017 0.00
2/27/2017 0.00
2/28/2017 0.00
3/1/2017 T
3/2/2017 0.00
3/3/2017 0.00
3/4/2017 0.00
3/5/2017 0.00
3/6/2017 0.00
3/7/2017 0.00
3/8/2017 0.00
3/9/2017 0.00
3/10/2017 0.00
3/11/2017 0.02
3/12/2017 0.01
3/13/2017 0.00
3/14/2017 0.00
3/15/2017 0.00
3/16/2017 0.00
3/17/2017 0.00
3/18/2017 0.00
3/19/2017 0.00
3/20/2017 0.00
3/21/2017 0.00
3/22/2017 0.00
3/23/2017 0.00
3/24/2017 0.17
3/25/2017 0.00
3/26/2017 0.00
3/27/2017 0.03
3/28/2017 0.06
3/29/2017 0.28
3/30/2017 0.00
3/31/2017 0.02
Day of YearDaily PrcpMultiday Prcp
4/1/2017 0.25
4/2/2017 T
4/3/2017 0.05
4/4/2017 0.43
4/5/2017 0.54
4/6/2017 0.00
4/7/2017 0.00
4/8/2017 0.00
4/9/2017 0.00
4/10/2017 0.00
4/11/2017 0.00
4/12/2017 0.00
4/13/2017 0.00
4/14/2017 0.00
4/15/2017 0.00
4/16/2017 T
4/17/2017 0.00
4/18/2017 0.00
4/19/2017 0.00
4/20/2017 0.00
4/21/2017 0.30
4/22/2017 0.13
4/23/2017 T
4/24/2017 0.00
4/25/2017 0.11
4/26/2017 0.04
4/27/2017 0.00
4/28/2017 0.04
4/29/2017 0.22
4/30/2017 0.31
5/1/2017 0.00
5/2/2017 0.00
5/3/2017 0.18
5/4/2017 0.08
5/5/2017 0.00
5/6/2017 0.00
5/7/2017 0.00
5/8/2017 T
5/9/2017 0.44
5/10/2017 0.01
5/11/2017 0.28
5/12/2017 T
5/13/2017 0.00
5/14/2017 0.00
5/15/2017 0.00
5/16/2017 0.00
5/17/2017 0.05
5/18/2017 1.46
5/19/2017 1.77
5/20/2017 0.01
5/21/2017 0.00
5/22/2017 0.30
5/23/2017 0.14
5/24/2017 0.00
5/25/2017 0.00
5/26/2017 0.31
5/27/2017 0.00
5/28/2017 0.12
5/29/2017 0.07
5/30/2017 0.01
5/31/2017 0.00
6/1/2017 0.00
6/2/2017 T
6/3/2017 0.04
6/4/2017 0.00
6/5/2017 0.00
6/6/2017 T
6/7/2017 0.00
6/8/2017 0.02
6/9/2017 0.00
6/10/2017 0.00
6/11/2017 0.00
6/12/2017 0.00
6/13/2017 0.00
6/14/2017 0.00
6/15/2017 0.00
6/16/2017 0.00
6/17/2017 0.00
6/18/2017 0.00
6/19/2017 0.00
6/20/2017 0.00
6/21/2017 0.01
6/22/2017 0.00
6/23/2017 0.14
6/24/2017 T
6/25/2017 0.00
6/26/2017 0.00
6/27/2017 0.00
6/28/2017 0.00
6/29/2017 0.00
6/30/2017 T
Day of YearDaily PrcpMultiday Prcp
7/1/2017 0.00
7/2/2017 0.00
7/3/2017 0.01
7/4/2017 T
7/5/2017 0.00
7/6/2017 0.00
7/7/2017 0.00
7/8/2017 T
7/9/2017 T
7/10/2017 0.00
7/11/2017 T
7/12/2017 T
7/13/2017 0.04
7/14/2017 0.00
7/15/2017 T
7/16/2017 0.04
7/17/2017 0.00
7/18/2017 0.00
7/19/2017 0.00
7/20/2017 T
7/21/2017 T
7/22/2017 0.11
7/23/2017 0.00
7/24/2017 0.00
7/25/2017 0.00
7/26/2017 0.11
7/27/2017 0.15
7/28/2017 0.00
7/29/2017 0.05
7/30/2017 T
7/31/2017 0.00
8/1/2017 0.00
8/2/2017 0.00
8/3/2017 0.05
8/4/2017 0.05
8/5/2017 0.02
8/6/2017 0.08
8/7/2017 0.19
8/8/2017 0.43
8/9/2017 0.01
8/10/2017 0.02
8/11/2017 0.05
8/12/2017 0.00
8/13/2017 T
8/14/2017 T
8/15/2017 0.01
8/16/2017 0.13
8/17/2017 0.01
8/18/2017 T
8/19/2017 0.00
8/20/2017 0.00
8/21/2017 0.00
8/22/2017 0.00
8/23/2017 0.00
8/24/2017 T
8/25/2017 0.00
8/26/2017 0.00
8/27/2017 0.00
8/28/2017 0.00
8/29/2017 0.00
8/30/2017 0.00
8/31/2017 T
9/1/2017 T
9/2/2017 0.00
9/3/2017 0.00
9/4/2017 0.00
9/5/2017 0.00
9/6/2017 0.00
9/7/2017 0.00
9/8/2017 0.00
9/9/2017 0.00
9/10/2017 0.00
9/11/2017 0.00
9/12/2017 0.00
9/13/2017 0.00
9/14/2017 0.07
9/15/2017 T
9/16/2017 T
9/17/2017 T
9/18/2017 T
9/19/2017 0.00
9/20/2017 0.00
9/21/2017 0.00
9/22/2017 0.00
9/23/2017 0.01
9/24/2017 0.75
9/25/2017 0.07
9/26/2017 0.00
9/27/2017 0.03
9/28/2017 0.37
9/29/2017 0.02
9/30/2017 0.01



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2016 7:00 AM T 0.0 M 0.0 M early am and late aftn showers; ovc until aftn, then mo sunny
10/2/2016 7:00 AM 0.00 0.0 M 0.0 M
10/3/2016 7:00 AM 0.00 0.0 M 0.0 M
10/4/2016 7:00 AM 0.00 0.0 M 0.0 M
10/5/2016 7:00 AM 0.00 0.0 M 0.0 M
10/6/2016 7:00 AM 0.24 0.0 M 0.0 M steady R- began early am (.02" as of 0430)
10/7/2016 7:00 AM 0.07 0.0 M 0.0 M morning rain ended around 08L (T), breaks in clouds, then a TRW- near noon (.07") followed by clearing. A rogue shower around 2015L dampened pavement. Cleared with first frost and first freeze (min 32F).
10/8/2016 7:00 AM 0.00 0.0 M 0.0 M
10/9/2016 7:00 AM 0.00 0.0 M 0.0 M
10/10/2016 7:00 AM 0.00 0.0 M 0.0 M
10/11/2016 7:00 AM 0.00 0.0 M 0.0 M
10/12/2016 5:30 AM 0.11 0.0 M 0.0 M light rain showers began mid-eve, drizzle/fog toward sunrise
10/13/2016 7:00 AM 0.01 0.0 M 0.0 M L- am. Ovc until early evening.
10/14/2016 7:00 AM 0.00 0.0 M 0.0 M
10/15/2016 7:00 AM 0.00 0.0 M 0.0 M
10/16/2016 7:00 AM 0.00 0.0 M 0.0 M
10/17/2016 7:00 AM 0.00 0.0 M 0.0 M
10/18/2016 7:00 AM 0.00 0.0 M 0.0 M
10/19/2016 7:00 AM T 0.0 M 0.0 M a light shower around midnight
10/20/2016 7:00 AM 0.00 0.0 M 0.0 M 27F min this morning
10/21/2016 7:00 AM 0.00 0.0 M 0.0 M
10/22/2016 7:00 AM 0.00 0.0 M 0.0 M
10/23/2016 7:00 AM 0.00 0.0 M 0.0 M
10/24/2016 7:00 AM 0.00 0.0 M 0.0 M
10/25/2016 7:00 AM 0.00 0.0 M 0.0 M
10/26/2016 7:00 AM 0.00 0.0 M 0.0 M
10/27/2016 7:00 AM 0.00 0.0 M 0.0 M
10/28/2016 7:00 AM 0.00 0.0 M 0.0 M sunny, 83F max
10/29/2016 7:00 AM 0.00 0.0 M 0.0 M overcast but still hit 81F
10/30/2016 7:00 AM 0.00 0.0 M 0.0 M windy am through mid-day
10/31/2016 7:00 AM 0.00 0.0 M 0.0 M
11/1/2016 7:00 AM 0.00 0.0 M 0.0 M A warm Halloween: 79F max. Windy in the aftn.
11/2/2016 7:00 AM T 0.0 M 0.0 M light rain shower before sunrise
11/3/2016 7:00 AM 0.00 0.0 M 0.0 M
11/4/2016 7:00 AM 0.00 0.0 M 0.0 M
11/5/2016 7:00 AM 0.00 0.0 M 0.0 M
11/6/2016 7:00 AM 0.00 0.0 M 0.0 M
11/7/2016 7:00 AM 0.00 0.0 M 0.0 M
11/8/2016 7:00 AM 0.00 0.0 M 0.0 M
11/9/2016 7:00 AM 0.00 0.0 M 0.0 M
11/10/2016 7:00 AM 0.00 0.0 M 0.0 M
11/11/2016 7:00 AM 0.00 0.0 M 0.0 M
11/12/2016 7:00 AM 0.00 0.0 M 0.0 M
11/13/2016 7:00 AM 0.00 0.0 M 0.0 M
11/14/2016 7:00 AM 0.00 0.0 M 0.0 M
11/15/2016 7:00 AM 0.00 0.0 M 0.0 M
11/16/2016 7:00 AM 0.00 0.0 M 0.0 M
11/17/2016 7:00 AM 0.00 0.0 M 0.0 M mo sunny, max 80F
11/18/2016 7:00 AM 0.36 4.6 M 4.0 M Midnight max Thu 43F, midnight min 22F. Ovc, precip started as very light drizzle. First flakes 1055L. 1.5" by early aftn. Moon visible by 2000, cleared before midnight.
11/19/2016 7:00 AM 0.00 0.0 M 2.0 M
11/20/2016 7:00 AM 0.00 0.0 M 0.0 M
11/21/2016 7:00 AM 0.00 0.0 M 0.0 M
11/22/2016 7:00 AM 0.02 0.0 M 0.0 M RWU early am, L-, then R-
11/23/2016 7:00 AM 0.04 0.0 M 0.0 M R- ended mid morning, skies mostly cleared early aftn
11/24/2016 7:00 AM 0.00 0.0 M 0.0 M
11/25/2016 7:00 AM 0.00 0.0 M 0.0 M
11/26/2016 7:00 AM 0.00 0.0 M 0.0 M
11/27/2016 7:00 AM 0.00 0.0 M 0.0 M
11/28/2016 7:00 AM T T M 0.0 M a few flakes shortly after sunrise
11/29/2016 7:00 AM 0.00 0.0 M 0.0 M
11/30/2016 7:00 AM 0.00 0.0 M 0.0 M
12/1/2016 7:00 AM 0.00 0.0 M 0.0 M
12/2/2016 7:00 AM 0.00 0.0 M 0.0 M
12/3/2016 7:00 AM 0.01 0.3 M T M very light snow mid-morning, SW early aftn, with accumulation on cold surfaces and dusting on grass
12/4/2016 7:00 AM 0.00 0.0 M 0.0 M
12/5/2016 7:00 AM 0.00 0.0 M 0.0 M
12/6/2016 7:00 AM T 0.0 M 0.0 M brief RW-- early, otherwise mo clear
12/7/2016 5:20 AM 0.14 2.9 M 2.5 M sunny early, thin ovc by late morning; first flakes after sunset, 1.2" by 22L
12/8/2016 7:00 AM 0.04 1.0 M 3.5 M light to very light snow most of day, cleared after sunset, then some clouds again during night
12/9/2016 7:00 AM 0.00 0.0 M 2.5 M
12/10/2016 7:00 AM 0.00 0.0 M 1.0 M
12/11/2016 7:00 AM 0.06 0.7 M 0.5 M quick snow shower before dawn
12/12/2016 7:00 AM 0.00 0.0 M T M
12/13/2016 7:00 AM 0.00 0.0 M T M
12/14/2016 7:00 AM 0.00 0.0 M T M
12/15/2016 7:00 AM T T M T M very light snow for a bit after sunrise; cleared aftn
12/16/2016 7:00 AM 0.00 0.0 M 0.0 M Impressive diurnal range yesterday: 15F min, 66F max. Still 47F at 0330.
12/17/2016 7:00 AM 0.30 5.0 M 5.0 M Very light snow began late aftn, accum after 19L; 2.3"/.13" 22L, +2.7"/.17" over night. AM temp 0F. (Calendar day range was 55F at 01L to 6F at midnight.)
12/18/2016 7:00 AM T T M 4.0 M morning SW-- before skies cleared. Yesterday's max didn't beat the 6F at midnight. Mins -9F either side of midnight.
12/19/2016 7:00 AM 0.00 0.0 M 3.5 M
12/20/2016 7:00 AM 0.00 0.0 M 3.0 M max temp well after sunset w/downslope breeze
12/21/2016 7:00 AM 0.00 0.0 M T M
12/22/2016 7:00 AM 0.00 0.0 M T M became ovc mid-aftn
12/23/2016 7:00 AM 0.00 0.0 M T M
12/24/2016 7:00 AM 0.00 0.0 M T M
12/25/2016 7:00 AM 0.00 0.0 M T M
12/26/2016 7:00 AM 0.00 0.0 M T M am snow north, rain south, apparently dry here (though looks like there was a light shower, according to nearby reports); very windy aftn/early eve
12/27/2016 7:00 AM 0.00 0.0 M T M
12/28/2016 7:00 AM 0.00 0.0 M T M
12/29/2016 7:00 AM 0.00 0.0 M 0.0 M
12/30/2016 7:00 AM 0.00 0.0 M M 0.00
12/31/2016 7:00 AM 0.00 0.0 M 0.0 M mo sunny; 66F max!
1/1/2017 7:00 AM 0.00 0.0 M 0.0 M
1/2/2017 7:00 AM 0.00 0.0 M 0.0 M
1/3/2017 7:00 AM 0.02 0.4 M 0.5 M became ovc mid-evening, with very light snow late evening through mid-early am. Light accumulation after about 0430.
1/4/2017 7:00 AM T 0.1 M T M accum ended late morning, with thin sun through aftn; SW-- evening and over night - only a bare dusting
1/5/2017 8:00 AM 0.57 8.7 M 8.5 M Light snow all day, no accum before noon, an inch by 16L. 3.3"/.18" 22L, +5.4"/.39" 08L.
1/6/2017 7:00 AM 0.03 1.0 M 7.0 M 0.9" by 13L, trailed off; cleared after midnight w/min -10F
1/7/2017 7:00 AM 0.00 0.0 M 6.0 M clear & calm; snow blowing off peaks & foothills
1/8/2017 7:00 AM 0.00 0.0 M 5.5 M min 13F at midnight, rose to 25F at 0530, 39F at 0700 without much wind
1/9/2017 5:30 AM 0.00 0.0 M 2.5 M wind picked up well before dawn, temp to mid 50s, quickly turning snow to slush
1/10/2017 7:00 AM T 0.0 M T M Windy, impressive chinook melting! Some very light rain late evening.
1/11/2017 7:00 AM 0.00 0.0 M 0.0 M
1/12/2017 7:00 AM T 0.1 M T M a light snow pellet shower mid-aftn, then a brief late-aftn snow
1/13/2017 7:00 AM 0.01 0.2 M T M
1/14/2017 7:00 AM 0.00 0.0 M T M
1/15/2017 7:00 AM 0.00 0.0 M 0.0 M
1/16/2017 7:00 AM 0.24 2.8 M 3.0 M very light snow began mid-evening, with no accum until near midnight
1/17/2017 7:00 AM 0.09 1.1 M 3.0 M snow ended late morning; overcast until near midnight
1/18/2017 7:00 AM 0.00 0.0 M 2.0 M
1/19/2017 7:00 AM 0.00 0.0 M 1.0 M
1/20/2017 7:00 AM 0.00 0.0 M 0.5 M
1/21/2017 7:00 AM 0.00 0.0 M T M
1/22/2017 7:00 AM 0.00 0.0 M T M
1/23/2017 7:00 AM 0.00 0.0 M T M
1/24/2017 7:00 AM T 0.0 M T M a brief rain shower or two around the noon hour
1/25/2017 7:00 AM T T M T M started briefly sunny, then surge from N brought low ovc, then 1/2F, then SPW- late morning
1/26/2017 7:00 AM 0.00 0.0 M T M
1/27/2017 7:00 AM 0.00 0.0 M T M
1/28/2017 7:00 AM 0.00 0.0 M T M
1/29/2017 7:00 AM 0.00 0.0 M T M
1/30/2017 7:00 AM 0.00 0.0 M 0.0 M
1/31/2017 7:00 AM 0.00 0.0 M 0.0 M
2/1/2017 7:00 AM 0.00 0.0 M 0.0 M
2/2/2017 7:00 AM 0.02 T M T M Ovc with SG-- late aftn, then SG-/ZL- evening, making surfaces slick. Mostly ended before midnight, w/some S-- near sunrise.
2/3/2017 7:00 AM T T M T M ZL-,S-- until late morning, then again before sunrise. Moon dimly vsbl late evening, but remained ovc all night.
2/4/2017 7:00 AM T T M T M S--/ZL- ended by mid-morning. Overcast until mid-evening. Stayed in mid-20s until 0330-ish, when temp popped up to mid-40s.
2/5/2017 7:00 AM 0.00 0.0 M 0.0 M
2/6/2017 7:00 AM 0.00 0.0 M 0.0 M
2/7/2017 7:00 AM 0.00 0.0 M 0.0 M
2/8/2017 7:00 AM 0.00 0.0 M 0.0 M wind picked up and temp dropped a bit just after noon
2/9/2017 7:00 AM 0.00 0.0 M 0.0 M quite windy, mostly afternoon
2/10/2017 7:00 AM 0.00 0.0 M 0.0 M Ocnl windy. This morning's 55F would surely be a record high min.
2/11/2017 7:00 AM 0.00 0.0 M 0.0 M windy at times, mostly mid-morning and evening; 78F max
2/12/2017 7:00 AM 0.00 0.0 M 0.0 M
2/13/2017 7:00 AM 0.00 0.0 M 0.0 M
2/14/2017 7:00 AM 0.00 0.0 M 0.0 M
2/15/2017 7:00 AM 0.00 0.0 M 0.0 M
2/16/2017 7:00 AM 0.00 0.0 M 0.0 M
2/17/2017 7:00 AM 0.00 0.0 M 0.0 M
2/18/2017 7:00 AM 0.00 0.0 M 0.0 M
2/19/2017 7:00 AM 0.00 0.0 M 0.0 M
2/20/2017 7:00 AM T 0.0 M 0.0 M mo cldy, very light RW late aftn & mid-eve; cleared before sunrise
2/21/2017 7:00 AM 0.00 0.0 M 0.0 M
2/22/2017 7:00 AM 0.00 0.0 M 0.0 M Yesterday was our seventh straight day with 60+ high temp - and second of those in the 70s. Way warm for our Feb!
2/23/2017 7:00 AM 0.00 0.0 M 0.0 M
2/24/2017 7:00 AM 0.19 3.6 M 3.5 M Had a brief SGW- early, then more mid-morning with accumulating snow. 0.9"/.07" by 1030L. Tapered off, but then more accum 14-15L and continued lightly through the night. +1.8"/.10" 22L. Only about 0.3" after midnight, though snow rate picked up again at measurement time.
2/25/2017 7:00 AM 0.02 0.7 M 1.5 M Most snow ended by late a.m., with some light showers extending until early aftn. Some sun by mid-aftn.
2/26/2017 7:00 AM 0.00 0.0 M T M
2/27/2017 7:00 AM 0.00 0.0 M T M
2/28/2017 7:00 AM 0.00 0.0 M T M
3/1/2017 7:00 AM T T M T M SWU late aftn - pellets with wet pavement photographed by guest observer at 1645
3/2/2017 7:00 AM 0.00 0.0 M 0.0 M
3/3/2017 7:00 AM 0.00 0.0 M 0.0 M
3/4/2017 7:00 AM 0.00 0.0 M 0.0 M
3/5/2017 7:00 AM 0.00 0.0 M 0.0 M
3/6/2017 7:00 AM 0.00 0.0 M 0.0 M
3/7/2017 7:00 AM 0.00 0.0 M 0.0 M
3/8/2017 7:00 AM 0.00 0.0 M 0.0 M
3/9/2017 7:00 AM 0.00 0.0 M 0.0 M
3/10/2017 7:00 AM 0.00 0.0 M 0.0 M
3/11/2017 7:00 AM 0.02 0.0 M 0.0 M bright moonlight before midnight; surfaces wet when looked out 0530
3/12/2017 7:00 AM 0.01 0.0 M 0.0 M RE early, but ovc until sunset
3/13/2017 7:00 AM 0.00 0.0 M 0.0 M cleared late morning, windy with cooler aftn
3/14/2017 7:00 AM 0.00 0.0 M 0.0 M mo cldy
3/15/2017 7:00 AM 0.00 0.0 M 0.0 M mo sunny, breezy
3/16/2017 7:00 AM 0.00 0.0 M 0.0 M
3/17/2017 7:00 AM 0.00 0.0 M 0.0 M
3/18/2017 7:00 AM 0.00 0.0 M 0.0 M min 35F w/roof frost
3/19/2017 7:00 AM 0.00 0.0 M 0.0 M 2nd 80F of the year
3/20/2017 7:00 AM 0.00 0.0 M 0.0 M Another 80F day - last day of winter!
3/21/2017 7:00 AM 0.00 0.0 M 0.0 M became cloudy and breezy around noon
3/22/2017 7:00 AM 0.00 0.0 M 0.0 M overcast with virga in vicinity
3/23/2017 7:00 AM 0.00 0.0 M 0.0 M
3/24/2017 7:00 AM 0.17 T M 0.0 M Sunny early & breezy with 76F max. Incr clouds, light winds aftn, then strong N wind began mid-evening. R--/R- after 22L, mostly ended by 06L. A couple of snowflakes mixed in late, min 38F.
3/25/2017 7:00 AM 0.00 0.0 M 0.0 M
3/26/2017 7:00 AM 0.00 0.0 M 0.0 M
3/27/2017 7:00 AM 0.03 0.0 M 0.0 M light rain in aftn; cleared after sunset
3/28/2017 7:00 AM 0.06 0.0 M 0.0 M light rain evening (.03"), then for a while leading up to sunrise (.03")
3/29/2017 7:00 AM 0.28 0.0 M 0.0 M
3/30/2017 7:00 AM 0.00 0.0 M 0.0 M
3/31/2017 7:00 AM 0.02 0.0 M 0.0 M a few drops late aftn, then an evening shower
4/1/2017 7:00 AM 0.25 T M 0.0 M L-/R- beginning mid-morning. Brief S- before dawn - no accum.
4/2/2017 7:00 AM T T M 0.0 M
4/3/2017 7:00 AM 0.05 0.0 M 0.0 M light rain late evening, ending in early hours; cleared before sunrise
4/4/2017 5:30 AM 0.43 3.5 M 3.5 M became overcast early evening, with snow after midnight
4/5/2017 7:00 AM 0.54 4.5 M 4.0 M Had 0.9" by mid-morning, then brightened with some melting/drying. Another round of snow late aftn through mid-evening added 3.6".
4/6/2017 7:00 AM 0.00 0.0 M T M
4/7/2017 7:00 AM 0.00 0.0 M 0.0 M
4/8/2017 7:00 AM 0.00 0.0 M 0.0 M
4/9/2017 7:00 AM 0.00 0.0 M 0.0 M
4/10/2017 7:00 AM 0.00 0.0 M 0.0 M quite windy afternoon/evening
4/11/2017 7:00 AM 0.00 0.0 M 0.0 M
4/12/2017 7:00 AM 0.00 0.0 M 0.0 M
4/13/2017 7:00 AM 0.00 0.0 M 0.0 M
4/14/2017 7:00 AM 0.00 0.0 M 0.0 M damp (dew) at observation time
4/15/2017 7:00 AM 0.00 0.0 M 0.0 M
4/16/2017 7:00 AM T 0.0 M 0.0 M RW- late evening
4/17/2017 7:00 AM 0.00 0.0 M 0.0 M
4/18/2017 7:00 AM 0.00 0.0 M 0.0 M
4/19/2017 7:00 AM 0.00 0.0 M 0.0 M
4/20/2017 7:00 AM 0.00 0.0 M 0.0 M
4/21/2017 7:00 AM 0.30 0.0 M 0.0 M Light rain early afternoon, ocnl moderate, then again evening and into pre-dawn hours. Two mid-evening rumbles of thunder.
4/22/2017 7:00 AM 0.13 0.0 M 0.0 M RW- mid-aftn, evening, early am
4/23/2017 7:00 AM T 0.0 M 0.0 M partial clearing am, mo sunny pm
4/24/2017 7:00 AM 0.00 0.0 M 0.0 M
4/25/2017 7:00 AM 0.11 0.0 M 0.0 M showers late afternoon through early am
4/26/2017 7:00 AM 0.04 0.0 M 0.0 M evening rain - cleared late, with 29F min
4/27/2017 7:00 AM 0.00 0.0 M 0.0 M
4/28/2017 7:00 AM 0.04 0.0 M 0.0 M two showers, .03" around noon, .01" early aftn, then mo sunny
4/29/2017 7:30 AM 0.22 2.4 M 2.5 M Sunny morning, became ovc by mid-aftn. Very light rain/drizzle early evening, switched shortly to SP-/SG-. 0.4"/.07" by 22L. A lull late evening, then picked up again.
4/30/2017 7:00 AM 0.31 1.6 M 2.0 M light snow continued all day, much melting rather than accumulating, ended late evening with some stars visible before midnight
5/1/2017 7:00 AM 0.00 0.0 M 0.0 M
5/2/2017 7:00 AM 0.00 0.0 M 0.0 M
5/3/2017 5:30 AM 0.18 0.0 M 0.0 M light thundershower late aftn, moderate thundershower ca midnight
5/4/2017 7:00 AM 0.08 0.0 M 0.0 M RE before noon, then cleared quickly
5/5/2017 7:00 AM 0.00 0.0 M 0.0 M
5/6/2017 7:00 AM 0.00 0.0 M 0.0 M
5/7/2017 7:00 AM 0.00 0.0 M 0.0 M
5/8/2017 7:00 AM T 0.0 M 0.0 M mid-aftn (T)RWU observed by radar
5/9/2017 7:00 AM 0.44 0.0 M 0.0 M .12 in late aftn TRW-, bulk of rain mid-evening
5/10/2017 7:00 AM 0.01 0.0 M 0.0 M mo cldy; RWU early am
5/11/2017 7:00 AM 0.28 0.0 M 0.0 M ovc, with a light shower early aftn, then a period of steady rain evening and more light showers over night
5/12/2017 7:00 AM T 0.0 M 0.0 M a few drops mid-morning; mo clear by noon, completely clear by sunset
5/13/2017 7:00 AM 0.00 0.0 M 0.0 M
5/14/2017 7:00 AM 0.00 0.0 M 0.0 M
5/15/2017 7:00 AM 0.00 0.0 M 0.0 M
5/16/2017 7:00 AM 0.00 0.0 M 0.0 M
5/17/2017 7:00 AM 0.05 0.0 M 0.0 M sunny morning, ovc by noon w/TRW-- early aftn, and TRW- with brief A 1/8"-1/4" later aftn
5/18/2017 7:00 AM 1.46 0.1 M M T Sunny morning, then cldy & windy with some very light rain by late aftn. TRW with A 1/4"-5/8" (mostly 3/8") 1950-2010. Hail whitened roofs, piled in gutters. After a brief lull, rain continued all night, with snow mixed beginning around sunrise. 35F at obs time, some hail still on ground.
5/19/2017 7:00 AM 1.77 6.0 M 5.5 M Snow all day, slacked off early evening, but 0.5" accum over night; brief view of blue sky early am, S- at obs time. Some small branches broken. Storm total so far 3.23" H2O.
5/20/2017 7:00 AM 0.01 T M 1.0 M R-S- ended mid-morning, some sun, then RW- late aftn
5/21/2017 7:00 AM 0.00 0.0 M 0.0 M
5/22/2017 7:00 AM 0.30 0.0 M 0.0 M very light shower late aftn, moderate rain mid to late evening
5/23/2017 7:00 AM 0.14 0.0 M 0.0 M late aftn to mid-eve rain
5/24/2017 7:00 AM 0.00 0.0 M 0.0 M
5/25/2017 7:00 AM 0.00 0.0 M 0.0 M
5/26/2017 7:00 AM 0.31 0.0 M 0.0 M light showers late am - early aftn; RW-/TRW- early eve, then brief TRW .06"; RWU around midnight .25"
5/27/2017 7:00 AM 0.00 0.0 M 0.0 M
5/28/2017 7:00 AM 0.12 0.0 M 0.0 M some very light rain early morning, a brief moderate shower early aftn, then a few more drops early evening
5/29/2017 7:00 AM 0.07 0.0 M 0.0 M RW early am
5/30/2017 7:00 AM 0.01 0.0 M 0.0 M early aftn shower
5/31/2017 7:00 AM 0.00 0.0 M 0.0 M
6/1/2017 7:00 AM 0.00 0.0 M 0.0 M
6/2/2017 7:00 AM T 0.0 M 0.0 M some drops on fringe of thundershowers passing mostly to west
6/3/2017 7:00 AM 0.04 0.0 M 0.0 M light mid-day shower, then light thundershower mid-aftn
6/4/2017 7:00 AM 0.00 0.0 M 0.0 M
6/5/2017 7:00 AM 0.00 0.0 M 0.0 M
6/6/2017 7:00 AM T 0.0 M 0.0 M
6/7/2017 7:00 AM 0.00 0.0 M 0.0 M
6/8/2017 7:00 AM 0.02 0.0 M 0.0 M TRW W-SW, with some light rain, late eve; RWU early am
6/9/2017 7:00 AM 0.00 0.0 M 0.0 M
6/10/2017 7:00 AM 0.00 0.0 M 0.0 M
6/11/2017 7:00 AM 0.00 0.0 M 0.0 M
6/12/2017 7:00 AM 0.00 0.0 M 0.0 M
6/13/2017 7:00 AM 0.00 0.0 M 0.0 M
6/14/2017 7:00 AM 0.00 0.0 M 0.0 M
6/15/2017 7:00 AM 0.00 0.0 M 0.0 M
6/16/2017 7:00 AM 0.00 0.0 M 0.0 M
6/17/2017 7:00 AM 0.00 0.0 M 0.0 M
6/18/2017 7:00 AM 0.00 0.0 M 0.0 M
6/19/2017 7:00 AM 0.00 0.0 M 0.0 M
6/20/2017 7:00 AM 0.00 0.0 M 0.0 M
6/21/2017 7:00 AM 0.01 0.0 M 0.0 M evening thundershower
6/22/2017 7:00 AM 0.00 0.0 M 0.0 M
6/23/2017 7:00 AM 0.14 0.0 M 0.0 M two few-drop showers mid aftn and mid evening, then a moderate shower beginning before sunrise
6/24/2017 7:00 AM T 0.0 M 0.0 M a few drizzly drops early am
6/25/2017 7:00 AM 0.00 0.0 M 0.0 M
6/26/2017 7:00 AM 0.00 0.0 M 0.0 M
6/27/2017 7:00 AM 0.00 0.0 M 0.0 M
6/28/2017 7:00 AM 0.00 0.0 M 0.0 M
6/29/2017 7:00 AM 0.00 0.0 M 0.0 M
6/30/2017 7:00 AM T 0.0 M 0.0 M very light shower mid aftn (few drops), light thundershower late aftn (dampened surfaces), lightning/thunder near midnight
7/1/2017 7:00 AM 0.00 0.0 M 0.0 M
7/2/2017 7:00 AM 0.00 0.0 M 0.0 M
7/3/2017 7:00 AM 0.01 0.0 M 0.0 M light mid-aftn shower
7/4/2017 7:00 AM T 0.0 M 0.0 M a few drops late aftn
7/5/2017 7:00 AM 0.00 0.0 M 0.0 M
7/6/2017 7:00 AM 0.00 0.0 M 0.0 M
7/7/2017 7:00 AM 0.00 0.0 M 0.0 M
7/8/2017 7:00 AM T 0.0 M 0.0 M very light aftn thundershowers
7/9/2017 7:00 AM T 0.0 M 0.0 M mid-aftn RW--
7/10/2017 7:00 AM 0.00 0.0 M 0.0 M
7/11/2017 7:00 AM T 0.0 M 0.0 M brief and light late afternoon shower
7/12/2017 7:00 AM T 0.0 M 0.0 M very light showers late eve and just after sunrise
7/13/2017 7:00 AM 0.04 0.0 M 0.0 M Ovc all day. Very light shower mid-morning (T), then some light rain late aftn->mid-eve.
7/14/2017 7:00 AM 0.00 0.0 M 0.0 M
7/15/2017 7:00 AM T 0.0 M 0.0 M just caught the north edge of late-aftn showers
7/16/2017 7:00 AM 0.04 0.0 M 0.0 M late aftn shower
7/17/2017 7:00 AM 0.00 0.0 M 0.0 M
7/18/2017 7:00 AM 0.00 0.0 M 0.0 M
7/19/2017 7:00 AM 0.00 0.0 M 0.0 M
7/20/2017 7:00 AM T 0.0 M 0.0 M cloudy & cooler late aftn with a few drops
7/21/2017 7:00 AM T 0.0 M 0.0 M RW-- late evening - just a smattering of drops
7/22/2017 7:00 AM 0.11 0.0 M 0.0 M thunder beginning 1610, followed 15 min later by rain; additional light showers through evening, cool & ovc until well after midnight
7/23/2017 7:00 AM 0.00 0.0 M 0.0 M
7/24/2017 7:00 AM 0.00 0.0 M 0.0 M
7/25/2017 7:00 AM 0.00 0.0 M 0.0 M
7/26/2017 7:00 AM 0.11 0.0 M 0.0 M Very light showers late morning through afternoon. Accumulating rain evening until after midnight.
7/27/2017 7:00 AM 0.15 0.0 M 0.0 M R-/TRW- mid to late evening
7/28/2017 7:00 AM 0.00 0.0 M 0.0 M
7/29/2017 7:00 AM 0.05 0.0 M 0.0 M late afternoon thundershower
7/30/2017 7:00 AM T 0.0 M 0.0 M some very light mid-morning rain
7/31/2017 7:00 AM 0.00 0.0 M 0.0 M
8/1/2017 7:00 AM 0.00 0.0 M 0.0 M
8/2/2017 7:00 AM 0.00 0.0 M 0.0 M
8/3/2017 7:00 AM 0.05 0.0 M 0.0 M light rain after midnight
8/4/2017 7:00 AM 0.05 0.0 M 0.0 M RW- mid-aftn .01", TRW- before dawn .04"
8/5/2017 7:00 AM 0.02 0.0 M 0.0 M early evening TRW-
8/6/2017 7:00 AM 0.08 0.0 M 0.0 M evening rain, brief thunder
8/7/2017 6:50 AM 0.19 0.0 M 0.0 M some very light rain evening sans accumulation; rather steady morning rain began around 0420
8/8/2017 7:00 AM 0.43 0.0 M 0.0 M overcast, chilly (<60F), rain all day
8/9/2017 7:00 AM 0.01 0.0 M 0.0 M two brief showers, afternoon and evening
8/10/2017 7:00 AM 0.02 0.0 M 0.0 M an evening shower (.02"), plus RWU in the pre-dawn hours (T)
8/11/2017 7:00 AM 0.05 0.0 M 0.0 M afternoon TRW-, then RW- into mid-evening
8/12/2017 7:00 AM 0.00 0.0 M 0.0 M
8/13/2017 7:00 AM T 0.0 M 0.0 M light shower mid afternoon, thunder for awhile afterward
8/14/2017 7:00 AM T 0.0 M 0.0 M late aftn RW-
8/15/2017 7:00 AM 0.01 0.0 M 0.0 M middle-of-the-night shower
8/16/2017 7:00 AM 0.13 0.0 M 0.0 M evening thundershower, plus a light shower before dawn
8/17/2017 7:00 AM 0.01 0.0 M 0.0 M brief mid-afternoon thundershower; a light rain shower mid-evening
8/18/2017 7:00 AM T 0.0 M 0.0 M a couple of very light afternoon showers
8/19/2017 7:00 AM 0.00 0.0 M 0.0 M
8/20/2017 7:00 AM 0.00 0.0 M 0.0 M
8/21/2017 7:00 AM 0.00 0.0 M 0.0 M
8/22/2017 7:00 AM 0.00 0.0 M 0.0 M
8/23/2017 7:00 AM 0.00 0.0 M 0.0 M
8/24/2017 7:00 AM T 0.0 M 0.0 M early evening light shower
8/25/2017 7:00 AM 0.00 0.0 M 0.0 M
8/26/2017 7:00 AM 0.00 0.0 M 0.0 M
8/27/2017 7:00 AM 0.00 0.0 M 0.0 M
8/28/2017 7:00 AM 0.00 0.0 M 0.0 M
8/29/2017 7:00 AM 0.00 0.0 M 0.0 M
8/30/2017 7:00 AM 0.00 0.0 M 0.0 M
8/31/2017 7:00 AM T 0.0 M 0.0 M brief shower mid aftn
9/1/2017 7:00 AM T 0.0 M 0.0 M light shower late aftn
9/2/2017 7:00 AM 0.00 0.0 M 0.0 M
9/3/2017 7:00 AM 0.00 0.0 M 0.0 M
9/4/2017 7:00 AM 0.00 0.0 M 0.0 M
9/5/2017 7:00 AM 0.00 0.0 M 0.0 M
9/6/2017 7:00 AM 0.00 0.0 M 0.0 M
9/7/2017 7:00 AM 0.00 0.0 M 0.0 M
9/8/2017 7:00 AM 0.00 0.0 M 0.0 M
9/9/2017 7:00 AM 0.00 0.0 M 0.0 M
9/10/2017 7:00 AM 0.00 0.0 M 0.0 M
9/11/2017 7:00 AM 0.00 0.0 M 0.0 M
9/12/2017 7:00 AM 0.00 0.0 M 0.0 M
9/13/2017 7:00 AM 0.00 0.0 M 0.0 M
9/14/2017 7:00 AM 0.07 0.0 M 0.0 M moderate shower early aftn
9/15/2017 7:00 AM T 0.0 M 0.0 M light shower mid-am
9/16/2017 7:00 AM T 0.0 M 0.0 M lightning N evening, a gusty outflow
9/17/2017 7:00 AM T 0.0 M 0.0 M Some light rain am. Ovc gave way to clear skies by mid aftn.
9/18/2017 7:00 AM T 0.0 M 0.0 M a few mid-aftn drops
9/19/2017 7:00 AM 0.00 0.0 M 0.0 M
9/20/2017 7:00 AM 0.00 0.0 M 0.0 M impressive early-evening FROPA with strong N winds, blowing dust, and quick 15F temp drop
9/21/2017 7:00 AM 0.00 0.0 M 0.0 M
9/22/2017 7:00 AM 0.00 0.0 M 0.0 M
9/23/2017 7:00 AM 0.01 0.0 M 0.0 M a few drops mid-aftn, then a light evening shower
9/24/2017 7:00 AM 0.75 0.0 M 0.0 M very light morning shower, moderate rain late afternoon (1615) through mid-evening (2100), then some drizzle continued until midnight-ish
9/25/2017 7:00 AM 0.07 0.0 M 0.0 M drizzle mid-day through the night, with some RW- late aftn/early eve
9/26/2017 7:00 AM 0.00 0.0 M 0.0 M mo ovc with a few brief sights of the sun
9/27/2017 7:00 AM 0.03 0.0 M 0.0 M an evening shower
9/28/2017 7:00 AM 0.37 0.0 M 0.0 M light morning rain (.04"), dry but overcast afternoon, then steady light rain starting about midnight
9/29/2017 7:00 AM 0.02 0.0 M 0.0 M R- ended mid-morning; overcast most of day & night
9/30/2017 7:00 AM 0.01 0.0 M 0.0 M a few drops mid-morning, some clearing aftn, then a couple of passing evening showers



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