Station Overview Station Location
Station Number CO-BO-67 Latitude 39.999614
Station Name Boulder 4.7 E Longitude -105.179377
County Boulder Elevation (ft) 5325



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 17 1.31 2.16 31 0.95 28 1.21 3 1 5 1 5.6 4 3
Nov 17 1.00 0.44 30 0.44 30 0.00 0 0 5 2 3.7 2 3
Dec 17 0.70 0.49 31 0.49 31 0.00 0 0 4 4 7.0 6 10
Jan 18 0.57 0.71 31 0.71 31 0.00 0 0 5 1 7.5 3 14
Feb 18 0.54 1.41 30 0.89 28 0.52 2 1 9 5 13.4 10 17
March 18 1.80 2.25 31 2.25 31 0.00 0 0 6 0 7.9 4 4
April 18 2.13 1.32 30 1.32 30 0.00 0 0 8 2 5.5 4 2
May 18 2.38 5.61 31 5.35 29 0.26 2 1 11 1 0.0 0 0
June 18 1.84 1.48 27 0.82 25 0.66 2 1 5 3 0.0 0 0
July 18 1.68 0.48 6 0.48 6 0.00 0 0 5 0 0.0 0 0
Aug 18 1.64 0.67 30 0.67 30 0.00 0 0 6 3 0.0 0 0
Sept 18 1.40 0.90 30 0.90 30 0.00 0 0 4 3 0.0 0 0
Water Year Totals: 16.99" 17.92" 338 days 15.27" 329 2.65" 9 days 4 73 days 25 days 50.6" 33 days 53 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
10/1/2017 **
10/2/2017 **
10/3/2017 1.21
10/4/2017 0.00
10/5/2017 0.00
10/6/2017 T
10/7/2017 0.00
10/8/2017 0.00
10/9/2017 0.50
10/10/2017 0.31
10/11/2017 0.00
10/12/2017 0.00
10/13/2017 0.00
10/14/2017 0.00
10/15/2017 0.00
10/16/2017 0.00
10/17/2017 0.00
10/18/2017 0.00
10/19/2017 0.00
10/20/2017 0.00
10/21/2017 0.00
10/22/2017 0.00
10/23/2017 0.00
10/24/2017 0.00
10/25/2017 0.00
10/26/2017 0.00
10/27/2017 0.07
10/28/2017 0.00
10/29/2017 0.00
10/30/2017 0.05
10/31/2017 0.02
11/1/2017 0.00
11/2/2017 0.00
11/3/2017 0.00
11/4/2017 0.00
11/5/2017 0.01
11/6/2017 0.00
11/7/2017 0.25
11/8/2017 0.11
11/9/2017 0.00
11/10/2017 0.00
11/11/2017 0.00
11/12/2017 0.00
11/13/2017 0.00
11/14/2017 0.00
11/15/2017 0.00
11/16/2017 0.00
11/17/2017 0.00
11/18/2017 0.06
11/19/2017 0.00
11/20/2017 0.00
11/21/2017 0.00
11/22/2017 T
11/23/2017 0.00
11/24/2017 0.00
11/25/2017 T
11/26/2017 0.00
11/27/2017 0.00
11/28/2017 0.01
11/29/2017 0.00
11/30/2017 0.00
12/1/2017 0.00
12/2/2017 0.00
12/3/2017 0.00
12/4/2017 0.00
12/5/2017 0.00
12/6/2017 0.00
12/7/2017 0.00
12/8/2017 0.00
12/9/2017 0.00
12/10/2017 0.00
12/11/2017 0.00
12/12/2017 0.00
12/13/2017 0.00
12/14/2017 0.05
12/15/2017 0.00
12/16/2017 0.00
12/17/2017 0.00
12/18/2017 0.00
12/19/2017 0.00
12/20/2017 0.00
12/21/2017 0.11
12/22/2017 0.03
12/23/2017 0.00
12/24/2017 0.30
12/25/2017 0.00
12/26/2017 T
12/27/2017 T
12/28/2017 0.00
12/29/2017 0.00
12/30/2017 T
12/31/2017 T
Day of YearDaily PrcpMultiday Prcp
1/1/2018 T
1/2/2018 0.00
1/3/2018 0.00
1/4/2018 0.00
1/5/2018 0.00
1/6/2018 0.00
1/7/2018 0.00
1/8/2018 0.00
1/9/2018 0.00
1/10/2018 0.00
1/11/2018 0.01
1/12/2018 0.00
1/13/2018 0.00
1/14/2018 0.00
1/15/2018 0.01
1/16/2018 0.08
1/17/2018 0.00
1/18/2018 0.00
1/19/2018 0.00
1/20/2018 0.00
1/21/2018 0.40
1/22/2018 0.21
1/23/2018 0.00
1/24/2018 0.00
1/25/2018 0.00
1/26/2018 0.00
1/27/2018 0.00
1/28/2018 0.00
1/29/2018 0.00
1/30/2018 0.00
1/31/2018 0.00
2/1/2018 0.02
2/2/2018 0.01
2/3/2018 0.00
2/4/2018 T
2/5/2018 T
2/6/2018 T
2/7/2018 0.00
2/8/2018 0.00
2/9/2018 T
2/10/2018 0.08
2/11/2018 0.10
2/12/2018 0.00
2/13/2018 T
2/14/2018 0.00
2/15/2018 0.00
2/16/2018 0.02
2/17/2018 0.00
2/18/2018 0.00
2/19/2018 0.04 **
2/20/2018 0.48 0.52
2/21/2018 0.00
2/22/2018 0.00
2/23/2018 0.03
2/24/2018 0.11
2/25/2018 0.00
2/26/2018 0.00
2/27/2018 0.00
2/28/2018 0.00
3/1/2018 0.00
3/2/2018 0.00
3/3/2018 0.00
3/4/2018 0.00
3/5/2018 0.00
3/6/2018 0.00
3/7/2018 0.00
3/8/2018 0.00
3/9/2018 0.00
3/10/2018 0.00
3/11/2018 0.00
3/12/2018 0.00
3/13/2018 0.00
3/14/2018 0.00
3/15/2018 0.00
3/16/2018 0.17
3/17/2018 0.00
3/18/2018 0.00
3/19/2018 0.78
3/20/2018 0.00
3/21/2018 0.00
3/22/2018 0.00
3/23/2018 0.00
3/24/2018 0.00
3/25/2018 0.00
3/26/2018 0.04
3/27/2018 0.71
3/28/2018 0.00
3/29/2018 0.47
3/30/2018 0.08
3/31/2018 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2018 0.01
4/2/2018 T
4/3/2018 0.00
4/4/2018 0.00
4/5/2018 0.00
4/6/2018 0.00
4/7/2018 0.23
4/8/2018 0.00
4/9/2018 T
4/10/2018 0.03
4/11/2018 0.00
4/12/2018 0.00
4/13/2018 0.04
4/14/2018 0.00
4/15/2018 0.00
4/16/2018 0.00
4/17/2018 0.00
4/18/2018 0.00
4/19/2018 0.00
4/20/2018 0.00
4/21/2018 0.40
4/22/2018 0.14
4/23/2018 0.00
4/24/2018 0.24
4/25/2018 0.23
4/26/2018 0.00
4/27/2018 0.00
4/28/2018 0.00
4/29/2018 0.00
4/30/2018 0.00
5/1/2018 0.00
5/2/2018 T
5/3/2018 1.15
5/4/2018 0.58
5/5/2018 0.00
5/6/2018 0.00
5/7/2018 0.00
5/8/2018 0.00
5/9/2018 0.00
5/10/2018 0.00
5/11/2018 0.00
5/12/2018 0.16
5/13/2018 0.69
5/14/2018 0.85
5/15/2018 0.05
5/16/2018 0.00
5/17/2018 0.00
5/18/2018 0.00
5/19/2018 1.61
5/20/2018 **
5/21/2018 0.26
5/22/2018 0.00
5/23/2018 0.02
5/24/2018 0.01
5/25/2018 0.00
5/26/2018 0.00
5/27/2018 0.00
5/28/2018 0.00
5/29/2018 0.08
5/30/2018 0.00
5/31/2018 0.15
6/1/2018 0.00
6/2/2018 0.00
6/3/2018 0.00
6/4/2018 0.00
6/5/2018 0.00
6/6/2018 0.00
6/7/2018 0.02
6/8/2018 0.00
6/9/2018 0.00
6/10/2018 T
6/11/2018 0.00
6/12/2018 0.00
6/13/2018 0.00
6/14/2018 0.00
6/15/2018 0.00
6/16/2018 T
6/17/2018 **
6/18/2018 0.66
6/19/2018 0.74
6/20/2018 0.02
6/21/2018 0.00
6/22/2018 0.02
6/23/2018 T
6/24/2018 0.00
6/25/2018 0.02
6/26/2018 0.00
6/27/2018 0.00
6/28/2018
6/29/2018
6/30/2018
Day of YearDaily PrcpMultiday Prcp
7/1/2018
7/2/2018
7/3/2018
7/4/2018
7/5/2018
7/6/2018
7/7/2018
7/8/2018
7/9/2018
7/10/2018
7/11/2018
7/12/2018
7/13/2018
7/14/2018
7/15/2018
7/16/2018
7/17/2018
7/18/2018
7/19/2018
7/20/2018
7/21/2018
7/22/2018
7/23/2018
7/24/2018
7/25/2018
7/26/2018 0.36
7/27/2018 0.02
7/28/2018 0.06
7/29/2018 0.03
7/30/2018 0.01
7/31/2018 0.00
8/1/2018 0.00
8/2/2018 0.00
8/3/2018 0.00
8/4/2018 0.01
8/5/2018 T
8/6/2018 0.03
8/7/2018 0.00
8/8/2018 0.00
8/9/2018 T
8/10/2018 0.00
8/11/2018 0.00
8/12/2018 0.00
8/13/2018 0.00
8/14/2018 0.00
8/15/2018 0.19
8/16/2018 0.00
8/17/2018 0.00
8/18/2018
8/19/2018 0.42
8/20/2018 0.01
8/21/2018 T
8/22/2018 0.01
8/23/2018 0.00
8/24/2018 0.00
8/25/2018 0.00
8/26/2018 0.00
8/27/2018 0.00
8/28/2018 0.00
8/29/2018 0.00
8/30/2018 0.00
8/31/2018 0.00
9/1/2018 T
9/2/2018 T
9/3/2018 0.00
9/4/2018 0.00
9/5/2018 0.82
9/6/2018 0.04
9/7/2018 0.02
9/8/2018 0.00
9/9/2018 0.00
9/10/2018 0.00
9/11/2018 0.00
9/12/2018 0.00
9/13/2018 0.00
9/14/2018 0.00
9/15/2018 0.00
9/16/2018 0.00
9/17/2018 0.00
9/18/2018 0.00
9/19/2018 0.00
9/20/2018 0.02
9/21/2018 0.00
9/22/2018 0.00
9/23/2018 0.00
9/24/2018 0.00
9/25/2018 T
9/26/2018 0.00
9/27/2018 0.00
9/28/2018 0.00
9/29/2018 0.00
9/30/2018 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/4/2017 7:00 AM 0.00 0.0 M 0.0 M
10/5/2017 7:00 AM 0.00 0.0 M 0.0 M
10/6/2017 7:00 AM T 0.0 M 0.0 M early night sprinkles
10/7/2017 7:00 AM 0.00 0.0 M 0.0 M
10/8/2017 7:00 AM 0.00 0.0 M 0.0 M
10/9/2017 7:00 AM 0.50 2.0 M 2.0 M R- began at 2045, began mixing with some snow around 2300, all snow (pellets at first) by 2330. Had 0.13" of precip at that point, another .37 overnight. At 0700 S with no wind, temp of 31 (also low)
10/10/2017 7:00 AM 0.31 2.9 M 2.0 M 2.8 fell by 0.28"/2.8". Storm totals: 4.9"/0.81"
10/11/2017 7:00 AM 0.00 0.0 M T M an inch of snow left in the shade, most gone in the sun. low of 28
10/12/2017 7:00 AM 0.00 0.0 M 0.0 M
10/13/2017 7:00 AM 0.00 0.0 M 0.0 M
10/14/2017 7:00 AM 0.00 0.0 M 0.0 M
10/15/2017 7:00 AM 0.00 0.0 M 0.0 M
10/16/2017 7:00 AM 0.00 0.0 M 0.0 M
10/17/2017 7:00 AM 0.00 0.0 M 0.0 M
10/18/2017 7:00 AM 0.00 0.0 M 0.0 M
10/19/2017 7:00 AM 0.00 0.0 M 0.0 M
10/20/2017 7:00 AM 0.00 0.0 M 0.0 M
10/21/2017 7:00 AM 0.00 0.0 M 0.0 M
10/22/2017 7:00 AM 0.00 0.0 M 0.0 M
10/23/2017 7:00 AM 0.00 0.0 M 0.0 M
10/24/2017 7:00 AM 0.00 0.0 M 0.0 M
10/25/2017 7:00 AM 0.00 0.0 M 0.0 M
10/26/2017 7:00 AM 0.00 0.0 M 0.0 M
10/27/2017 7:00 AM 0.07 0.5 M 0.5 M amounts estimated from nearby reports
10/28/2017 7:00 AM 0.00 0.0 M 0.0 M
10/29/2017 7:00 AM 0.00 0.0 M 0.0 M
10/30/2017 7:00 AM 0.05 0.0 M 0.0 M
10/31/2017 7:00 AM 0.02 0.2 M T M
11/1/2017 7:00 AM 0.00 0.0 M 0.0 M
11/2/2017 7:00 AM 0.00 0.0 M 0.0 M
11/3/2017 7:00 AM 0.00 0.0 M 0.0 M
11/4/2017 7:00 AM 0.00 0.0 M 0.0 M
11/5/2017 7:00 AM 0.01 0.0 M 0.0 M some rain after midnight, over by 6am
11/6/2017 7:00 AM 0.00 0.0 M 0.0 M
11/7/2017 7:00 AM 0.25 2.8 M 3.0 M Began as rain (R-) about 2215, mixed by ~2300, probably over to snow by midnight. 24 and just cloudy at 0700.
11/8/2017 7:00 AM 0.11 0.9 M 2.5 M 0.1" of snow by 0800, then began again by ~1700, with another 0.1 by 1830 (by then .04" melted since 0700), then rest until end ~2100. Low of 21.
11/9/2017 7:00 AM 0.00 0.0 M 0.5 M about 2" of snow left in the shade, bare areas in the sun.
11/10/2017 7:00 AM 0.00 0.0 M T M snow gone in the sunny areas, about 1-1.5" in the shade
11/11/2017 7:00 AM 0.00 0.0 M T M A little snow left in the shade
11/12/2017 7:00 AM 0.00 0.0 M 0.0 M
11/13/2017 7:00 AM 0.00 0.0 M 0.0 M
11/14/2017 7:00 AM 0.00 0.0 M 0.0 M
11/15/2017 7:00 AM 0.00 0.0 M 0.0 M
11/16/2017 7:00 AM 0.00 0.0 M 0.0 M
11/17/2017 7:00 AM 0.00 0.0 M 0.0 M
11/18/2017 7:00 AM 0.06 0.0 M 0.0 M R- with some gusty winds began about 1615, off and on until around 2000 then cleared off. Got down to 38 while raining, no snow.
11/19/2017 7:00 AM 0.00 0.0 M 0.0 M
11/20/2017 7:00 AM 0.00 0.0 M 0.0 M
11/21/2017 7:00 AM 0.00 0.0 M 0.0 M
11/22/2017 7:00 AM T T M 0.0 M some off and on R-- to R- mixed with S-- at times in the morning.
11/23/2017 7:00 AM 0.00 0.0 M 0.0 M
11/24/2017 7:00 AM 0.00 0.0 M 0.0 M High of 72
11/25/2017 7:00 AM T 0.0 M 0.0 M off an on sprinkles/R-- from about 1330 to 1500
11/26/2017 7:00 AM 0.00 0.0 M 0.0 M
11/27/2017 7:00 AM 0.00 0.0 M 0.0 M
11/28/2017 7:00 AM 0.01 0.0 M 0.0 M A little R- after 0300 but before 0700
11/29/2017 7:00 AM 0.00 0.0 M 0.0 M
11/30/2017 7:00 AM 0.00 0.0 M 0.0 M
12/1/2017 7:00 AM 0.00 0.0 M 0.0 M
12/2/2017 7:00 AM 0.00 0.0 M 0.0 M
12/3/2017 7:00 AM 0.00 0.0 M 0.0 M
12/4/2017 7:00 AM 0.00 0.0 M 0.0 M
12/5/2017 7:00 AM 0.00 0.0 M 0.0 M Coldest so far with a low of 10
12/6/2017 7:00 AM 0.00 0.0 M 0.0 M
12/7/2017 7:00 AM 0.00 0.0 M 0.0 M low of 9, coldest so far
12/8/2017 7:00 AM 0.00 0.0 M 0.0 M Lots of clouds all day but not a single snowflake
12/9/2017 7:00 AM 0.00 0.0 M 0.0 M
12/10/2017 7:00 AM 0.00 0.0 M 0.0 M
12/11/2017 7:00 AM 0.00 0.0 M 0.0 M
12/12/2017 7:00 AM 0.00 0.0 M 0.0 M
12/13/2017 7:00 AM 0.00 0.0 M 0.0 M
12/14/2017 7:00 AM 0.05 0.8 M 1.0 M snow began by 11 pm and was over by 4am.
12/15/2017 7:00 AM 0.00 0.0 M T M about half an inch in the shade, a few patches of ~0.2" depth in the sunny areas
12/16/2017 7:00 AM 0.00 0.0 M T M Despite a high of 62 a little snow still left in the shade
12/17/2017 7:00 AM 0.00 0.0 M 0.0 M
12/18/2017 7:00 AM 0.00 0.0 M 0.0 M
12/19/2017 7:00 AM 0.00 0.0 M 0.0 M
12/20/2017 7:00 AM 0.00 0.0 M 0.0 M
12/21/2017 7:00 AM 0.11 1.1 M 1.0 M
12/22/2017 7:00 AM 0.03 0.4 M 1.0 M
12/23/2017 7:00 AM 0.00 0.0 M 1.0 M
12/24/2017 7:00 AM 0.30 4.5 M 4.5 M Most of the snow fell between 1800-2115. Low of -6
12/25/2017 7:00 AM 0.00 0.0 M 4.0 M
12/26/2017 7:00 AM T 0.1 M 3.5 M snow flurries began about 2000 and still going on at 0700 with a dusting of new snow
12/27/2017 7:00 AM T 0.1 M 3.0 M S--/SW- all day finally ending about 5pm.
12/28/2017 7:00 AM 0.00 0.0 M 1.5 M Low overnight of 45 after a high of 52. 3" of snow in the shade.
12/29/2017 7:00 AM 0.00 0.0 M 1.0 M
12/30/2017 7:00 AM T T M T M
12/31/2017 7:00 AM T T M T M
1/1/2018 7:00 AM T T M T M
1/2/2018 7:00 AM 0.00 0.0 M T M still a solid inch left in the shade
1/3/2018 7:00 AM 0.00 0.0 M T M still about an inch of snow left in the shade, spots of snow in the sunny areas.
1/4/2018 7:00 AM 0.00 0.0 M T M solid area of snow in the shade
1/5/2018 7:00 AM 0.00 0.0 M T M still solid area of snow in the shade
1/6/2018 7:00 AM 0.00 0.0 M T M solid snow in the shade about an inch deep
1/7/2018 7:00 AM 0.00 0.0 M T M some snow left in the shade
1/8/2018 7:00 AM 0.00 0.0 M T M
1/9/2018 7:00 AM 0.00 0.0 M T M
1/10/2018 7:00 AM 0.00 0.0 M 0.0 M
1/11/2018 7:00 AM 0.01 0.0 M 0.0 M based on nearby reports
1/12/2018 7:00 AM 0.00 0.0 M 0.0 M
1/13/2018 7:00 AM 0.00 0.0 M 0.0 M
1/14/2018 7:00 AM 0.00 0.0 M 0.0 M
1/15/2018 7:00 AM 0.01 T M T M nothing at 0300 but trace of snow and freezing drizzle coating by 0600. Thin coating of ice at 0700 with a thinner dusting of snow. Mixed S- and freezing drizzle and 23 at 0700.
1/16/2018 7:00 AM 0.08 2.2 M 1.5 M S- mixed with some freezing drizzle until 0800 then S to S- until noon with 2.0/.08, further S- to S-- until 2pm then SW- finally ended by 6pm
1/17/2018 7:00 AM 0.00 0.0 M 1.0 M
1/18/2018 7:00 AM 0.00 0.0 M 0.5 M Bare areas in the sun, about an inch in the shade
1/19/2018 7:00 AM 0.00 0.0 M T M a little snow left in the shade
1/20/2018 7:00 AM 0.00 0.0 M 0.0 M
1/21/2018 7:00 AM 0.40 3.3 M 3.5 M
1/22/2018 7:00 AM 0.21 2.0 M 5.0 M 2-day totals: 5.3"/0.61 Not sure of freezing drizzle to begin.
1/23/2018 7:00 AM 0.00 0.0 M 4.5 M
1/24/2018 7:00 AM 0.00 0.0 M 4.0 M
1/25/2018 7:00 AM 0.00 0.0 M 4.0 M lots of moisture in this snow and has been pretty slow to melt so far
1/26/2018 7:00 AM 0.00 0.0 M 4.0 M
1/27/2018 7:00 AM 0.00 0.0 M 4.0 M
1/28/2018 7:00 AM 0.00 0.0 M 3.0 M
1/29/2018 7:00 AM 0.00 0.0 M 2.0 M
1/30/2018 7:00 AM 0.00 0.0 M 1.5 M variable snow depth, some bare spots to 2" in the sun, 3-3.5 in the shade
1/31/2018 7:00 AM 0.00 0.0 M 0.5 M bare patches in the sunny areas, about 2" in the shade
2/1/2018 7:00 AM 0.02 0.2 M 0.5 M flurries began about 8pm, pretty much S-- from then on and still happening at 0700 (may have gotten "heavier" overnight). Didn't see any freezing drizzle this time.
2/2/2018 7:00 AM 0.01 0.2 M 0.5 M 0.2" fell 0700-0900 then a dusting after this, all snow done by about 1200
2/3/2018 7:00 AM 0.00 0.0 M T M still over an inch in the shade and patches of snow in the sunny areas
2/4/2018 7:00 AM T T M T M
2/5/2018 7:00 AM T T M T M
2/6/2018 7:00 AM T T M T M short period of S- around 1900. Some old snow left in the shade.
2/7/2018 7:00 AM 0.00 0.0 M T M still some snow left in the shade
2/8/2018 7:00 AM 0.00 0.0 M T M no change with some snow left in the shade
2/9/2018 7:00 AM T T M T M A little freezing drizzle with a few snowflakes from ~0500-0700. A little old snow/ice left in the shade.
2/10/2018 7:00 AM 0.08 1.4 M 1.0 M freezing drizzle began ~1600 with sharp temp drop and heavy fog, only a light coating of freezing drizzle, all snow by ~1730. 1.2"/.07 then another 0.2" mostly by 2200
2/11/2018 7:00 AM 0.10 1.2 M 2.0 M
2/12/2018 7:00 AM 0.00 0.0 M 1.0 M
2/13/2018 7:00 AM T 0.1 M 1.0 M S-- to S- much of the day, may have accumulated more but 0.1 left at 1900 when measured.
2/14/2018 7:00 AM 0.00 0.0 M T M some snow left in the shade
2/15/2018 7:00 AM 0.00 0.0 M 0.0 M All snow gone after a high of 65 with wind.
2/16/2018 7:00 AM 0.02 0.7 M 0.5 M S- began about 2000, over by ~2215
2/17/2018 7:00 AM 0.00 0.0 M T M A little snow left in the shade.
2/18/2018 7:00 AM 0.00 0.0 M T M a little snow left in the shade
2/19/2018 7:00 AM 0.04 1.0 M 1.0 M
2/20/2018 7:00 AM 0.48 7.1 M 6.0 M
2/21/2018 7:00 AM 0.00 0.0 M 5.0 M
2/22/2018 7:00 AM 0.00 0.0 M 4.5 M
2/23/2018 7:00 AM 0.03 0.3 M 4.5 M
2/24/2018 7:00 AM 0.11 1.2 M 4.5 M
2/25/2018 7:00 AM 0.00 0.0 M 3.0 M
2/26/2018 7:00 AM 0.00 0.0 M 2.0 M
2/27/2018 7:00 AM 0.00 0.0 M 1.5 M
2/28/2018 7:00 AM 0.00 0.0 M 1.0 M some bare areas in the sun, 3-3.5" of solid snow cover in the shade
3/1/2018 7:00 AM 0.00 0.0 M 0.5 M areas of snow and bare ground in the sun, 3" solid in the shade
3/2/2018 7:00 AM 0.00 0.0 M T M
3/3/2018 7:00 AM 0.00 0.0 M T M after a high of 70 no snow left in the sun and ~2" in shady areas
3/4/2018 7:00 AM 0.00 0.0 M T M areas of 1-2" of snow left in the shade
3/5/2018 7:00 AM 0.00 0.0 M T M still some snow left in the shade
3/6/2018 7:00 AM 0.00 0.0 M 0.0 M
3/7/2018 7:00 AM 0.00 0.0 M 0.0 M
3/8/2018 7:00 AM 0.00 0.0 M 0.0 M
3/9/2018 7:00 AM 0.00 0.0 M 0.0 M
3/10/2018 7:00 AM 0.00 0.0 M 0.0 M
3/11/2018 7:00 AM 0.00 0.0 M 0.0 M
3/12/2018 7:00 AM 0.00 0.0 M 0.0 M
3/13/2018 7:00 AM 0.00 0.0 M 0.0 M
3/14/2018 7:00 AM 0.00 0.0 M 0.0 M
3/15/2018 7:00 AM 0.00 0.0 M 0.0 M
3/16/2018 7:00 AM 0.17 0.0 M 0.0 M rain began after 6pm and over by 10pm
3/17/2018 7:00 AM 0.00 0.0 M 0.0 M
3/18/2018 7:00 AM 0.00 0.0 M 0.0 M
3/19/2018 7:00 AM 0.78 2.0 M 2.0 M
3/20/2018 7:00 AM 0.00 0.0 M T M More snow in the shade, some patches in the sun
3/21/2018 7:00 AM 0.00 0.0 M T M Some areas of snow up to an inch deep in the shade
3/22/2018 7:00 AM 0.00 0.0 M T M just a little snow left in the shade
3/23/2018 7:00 AM 0.00 0.0 M 0.0 M All snow gone after a high of 72
3/24/2018 7:00 AM 0.00 0.0 M 0.0 M
3/25/2018 7:00 AM 0.00 0.0 M 0.0 M
3/26/2018 7:00 AM 0.04 0.0 M 0.0 M R- (mainly) began ~2200, most over by 2315
3/27/2018 7:00 AM 0.71 3.4 M 3.0 M Rain at first (began around 1700), became mixed with snow ~1820, all snow after 1845 (.07" at 1830). Heaviest snow over by ~2100, only 0.3"/.04" fell after 2300
3/28/2018 7:00 AM 0.00 0.0 M T M about half an inch of snow left in the shade
3/29/2018 7:00 AM 0.47 2.3 M 1.5 M Rain began between 1400-1430 then pretty quick to snow, S+ for awhile with 2" by ~1600, then some rain as snow tapered off reducing snow depth some, back to S-- by 1800. Snow increased some after that with another .3"/.04", clearing by 2300.
3/30/2018 7:00 AM 0.08 0.2 M T M Mainly late afternoon into early evening snow again, some rain at first.
3/31/2018 7:00 AM 0.00 0.0 M 0.0 M
4/1/2018 7:00 AM 0.01 T M T M
4/2/2018 7:00 AM T T M 0.0 M
4/3/2018 7:00 AM 0.00 0.0 M 0.0 M
4/4/2018 7:00 AM 0.00 0.0 M 0.0 M
4/5/2018 7:00 AM 0.00 0.0 M 0.0 M
4/6/2018 7:00 AM 0.00 0.0 M 0.0 M
4/7/2018 7:00 AM 0.23 2.1 M 1.0 M Most snow done by 8pm, precip was all snow.
4/8/2018 7:00 AM 0.00 0.0 M 0.0 M
4/9/2018 7:00 AM T 0.0 M 0.0 M
4/10/2018 7:00 AM 0.03 T M 0.0 M May have been a small accumulation but not there to measure.
4/11/2018 7:00 AM 0.00 0.0 M 0.0 M
4/12/2018 7:00 AM 0.00 0.0 M 0.0 M Hi of 78
4/13/2018 7:00 AM 0.04 T M 0.0 M A dusting of frozen snow/slush otherwise rain then over to some snow all after midnight, over before ~4am.
4/14/2018 7:00 AM 0.00 0.0 M 0.0 M
4/15/2018 7:00 AM 0.00 0.0 M 0.0 M
4/16/2018 7:00 AM 0.00 0.0 M 0.0 M
4/17/2018 7:00 AM 0.00 0.0 M 0.0 M
4/18/2018 7:00 AM 0.00 0.0 M 0.0 M
4/19/2018 7:00 AM 0.00 0.0 M 0.0 M
4/20/2018 7:00 AM 0.00 0.0 M 0.0 M
4/21/2018 7:00 AM 0.40 2.7 M 2.5 M Only some light rain showers through 1930 with 0.03". Rain picked up again later in the evening and turned to snow, by 2315 0.2" of snow with moderate snow and another 0.11". By 0515 another 2.1" but snow had ended, then began again with another 0.4 by 0700.
4/22/2018 7:00 AM 0.14 0.4 M T M A couple of cycles of snow accumulating then melting in the morning with most of the snow done by 1230 (0.10" melted/0.4"), then a little rain mid afternoon. A little snow left in the shade this morning.
4/23/2018 7:00 AM 0.00 0.0 M 0.0 M
4/24/2018 7:00 AM 0.24 0.3 M T M A trace of rain in some showers and a tstm in the mid to late afternoon, another trace evening, then main precip overnight, probably began as rain. S-- and 33 (low 32) at 0700
4/25/2018 7:00 AM 0.23 T M 0.0 M After off and on S-- in the morning, at times mixed with or just drizzle, snowed much of the afternoon. However never really accumulated beyond a dusting by 0830, at least for anything left on any surface. 0.22" by 1730 with precip pretty much over altho one last period around 2000 of wet S- for another .01"
4/26/2018 7:00 AM 0.00 0.0 M 0.0 M
4/27/2018 7:00 AM 0.00 0.0 M 0.0 M
4/28/2018 7:00 AM 0.00 0.0 M 0.0 M
4/29/2018 7:00 AM 0.00 0.0 M 0.0 M
4/30/2018 7:00 AM 0.00 0.0 M 0.0 M
5/1/2018 7:00 AM 0.00 0.0 M 0.0 M
5/2/2018 7:00 AM T 0.0 M 0.0 M Off and on R-- to R- about 0730-0830, then misses storms during the day. R- just began again at 0655.
5/3/2018 7:00 AM 1.15 0.0 M 0.0 M at 0700 39 (also low) with moderate rain and NW wind ~5-10 mph. Rainfall 0.03" 0700-0800, 0.40" 0800-1915, another 0.08" by 2215 and the rest (0.64) after that. No indication of mixed precip right now.
5/4/2018 7:00 AM 0.58 T M 0.0 M 0.55" of precip 0700 - 1830 with occasional wet snowflakes mixed in from about 0700-1000 (no accumulation), most over by noon but afternoon and evening showers dropped another .03".
5/5/2018 7:00 AM 0.00 0.0 M 0.0 M
5/6/2018 7:00 AM 0.00 0.0 M 0.0 M
5/7/2018 7:00 AM 0.00 0.0 M 0.0 M
5/8/2018 7:00 AM 0.00 0.0 M 0.0 M
5/9/2018 7:00 AM 0.00 0.0 M 0.0 M
5/10/2018 7:00 AM 0.00 0.0 M 0.0 M
5/11/2018 7:00 AM 0.00 0.0 M 0.0 M
5/12/2018 7:00 AM 0.16 0.0 M 0.0 M drizzle and 50 (also low) at 0700. A few sprinkles in the evening but main precip began ~2100
5/13/2018 7:00 AM 0.69 0.0 M 0.0 M Steady drizzle/R- in the morning with 0.13" then a couple of tstms with heavy rain (no hail) ~1830-~2000 with 0.50" new by 10pm, then the rest overnight in some R-.
5/14/2018 7:00 AM 0.85 0.0 M 0.0 M very heavy evening storm with quite a bit of hail mostly pea size. Otherwise had .02" in some morning R-
5/15/2018 7:00 AM 0.05 0.0 M 0.0 M most of the rain fell when we were at the northern edge of a tstm around 7pm
5/16/2018 7:00 AM 0.00 0.0 M 0.0 M
5/17/2018 7:00 AM 0.00 0.0 M 0.0 M
5/18/2018 7:00 AM 0.00 0.0 M 0.0 M
5/19/2018 7:00 AM 1.61 0.0 M 0.0 M 1.60 of this fell between about 1530-1700 in heavy thunderstorms accompanied by periods of at times intense hail. Hail covered the ground during the storm and piles from the roof still around at night. Most of the hail around pea size, measured one stone at 1/2" diameter. Lots of shredded leaves, etc. Another .01 sometime overnight.
5/22/2018 7:00 AM 0.00 0.0 M 0.0 M
5/23/2018 7:00 AM 0.02 0.0 M 0.0 M some thunder but no rain around 1700 as just on west edge of storm moving north then on south edge of storm just to our north around 7pm.
5/24/2018 7:00 AM 0.01 0.0 M 0.0 M
5/25/2018 7:00 AM 0.00 0.0 M 0.0 M
5/26/2018 7:00 AM 0.00 0.0 M 0.0 M
5/27/2018 7:00 AM 0.00 0.0 M 0.0 M
5/28/2018 7:00 AM 0.00 0.0 M 0.0 M
5/29/2018 7:00 AM 0.08 0.0 M 0.0 M tstm between 4-5pm, never rained very hard tho.
5/30/2018 7:00 AM 0.00 0.0 M 0.0 M
5/31/2018 7:00 AM 0.15 0.0 M 0.0 M
6/1/2018 7:00 AM 0.00 0.0 M 0.0 M
6/2/2018 7:00 AM 0.00 0.0 M 0.0 M
6/3/2018 7:00 AM 0.00 0.0 M 0.0 M
6/4/2018 7:00 AM 0.00 0.0 M 0.0 M
6/5/2018 7:00 AM 0.00 0.0 M 0.0 M
6/6/2018 7:00 AM 0.00 0.0 M 0.0 M
6/7/2018 7:00 AM 0.02 0.0 M 0.0 M
6/8/2018 7:00 AM 0.00 0.0 M 0.0 M
6/9/2018 7:00 AM 0.00 0.0 M 0.0 M
6/10/2018 7:00 AM T 0.0 M 0.0 M microburst around 1915 with wind gusts estimated to 35 mph, accompanied by R-- with mostly small drops, almost a light mist at times.
6/11/2018 7:00 AM 0.00 0.0 M 0.0 M
6/12/2018 7:00 AM 0.00 0.0 M 0.0 M
6/13/2018 7:00 AM 0.00 0.0 M 0.0 M
6/14/2018 7:00 AM 0.00 0.0 M 0.0 M some sprinkles nearby around 2100 but didn't see any at the house.
6/15/2018 7:00 AM 0.00 0.0 M 0.0 M
6/16/2018 7:00 AM T 0.0 M 0.0 M Some thunder with a trace of rain just after noon, a little more thunder around 730pm.
6/19/2018 7:00 AM 0.74 0.0 M 0.0 M .04" 0700-0900, trace rest of morning, missed most of first storm with only .03" 1800-1900, but 2nd storm from ~1915-1945 dropped 0.56" with hail, generally 3/8-3/4" but a number of stones >=1", measured several at 1.5" (even 30 min after storm), then some thunder but only trace around 2015, but rain began again around 0300 with another 0.14", just cloudy at 0700,
6/20/2018 7:00 AM 0.02 0.0 M 0.0 M a mid afternoon shower. No hail today!
6/21/2018 7:00 AM 0.00 0.0 M 0.0 M
6/22/2018 7:00 AM 0.02 0.0 M 0.0 M showers around in the mid/late aftn
6/23/2018 7:00 AM T 0.0 M 0.0 M
6/24/2018 7:00 AM 0.00 0.0 M 0.0 M
6/25/2018 7:00 AM 0.02 0.0 M 0.0 M thunder with some R-- by late morning, tstm with R- early aftn but missed the heavier rains.
6/26/2018 7:00 AM 0.00 0.0 M 0.0 M
6/27/2018 7:00 AM 0.00 0.0 M 0.0 M
7/26/2018 7:00 AM 0.36 0.0 M 0.0 M Quite a heavy (rain) tstm around 0215
7/27/2018 7:00 AM 0.02 0.0 M 0.0 M A couple of afternoon showers (.01) then quite a bit of thunder with some large drops but mainly R- around 930-950pm
7/28/2018 7:00 AM 0.06 0.0 M 0.0 M late afternoon tstm
7/29/2018 7:00 AM 0.03 0.0 M 0.0 M A little thunder but no rain around noon, then tstm about 1730.
7/30/2018 7:00 AM 0.01 0.0 M 0.0 M a brief shower around 130pm
7/31/2018 7:00 AM 0.00 0.0 M 0.0 M
8/1/2018 7:00 AM 0.00 0.0 M 0.0 M
8/2/2018 7:00 AM 0.00 0.0 M 0.0 M
8/3/2018 7:00 AM 0.00 0.0 M 0.0 M
8/4/2018 7:00 AM 0.01 0.0 M 0.0 M hours of off and on R-- ocnl R- from late morning into mid afternoon but only .01", then a brief shower with wind around 9pm (T).
8/5/2018 7:00 AM T 0.0 M 0.0 M
8/6/2018 7:00 AM 0.03 0.0 M 0.0 M
8/7/2018 7:00 AM 0.00 0.0 M 0.0 M
8/8/2018 7:00 AM 0.00 0.0 M 0.0 M
8/9/2018 7:00 AM T 0.0 M 0.0 M a little drizzle mid morning after low clouds came in.
8/10/2018 7:00 AM 0.00 0.0 M 0.0 M
8/11/2018 7:00 AM 0.00 0.0 M 0.0 M
8/12/2018 7:00 AM 0.00 0.0 M 0.0 M
8/13/2018 7:00 AM 0.00 0.0 M 0.0 M
8/14/2018 7:00 AM 0.00 0.0 M 0.0 M
8/15/2018 7:00 AM 0.19 0.0 M 0.0 M 2 tstms, one ~1615-1700 dropped .09", the other less thunder but heavier rain was around 1900
8/16/2018 7:00 AM 0.00 0.0 M 0.0 M
8/17/2018 7:00 AM 0.00 0.0 M 0.0 M
8/19/2018 7:00 AM 0.42 0.0 M 0.0 M
8/20/2018 7:00 AM 0.01 0.0 M 0.0 M
8/21/2018 7:00 AM T 0.0 M 0.0 M R- began just before 0700. Extremely smokey yesterday.
8/22/2018 7:00 AM 0.01 0.0 M 0.0 M some off and on light showers during the day
8/23/2018 7:00 AM 0.00 0.0 M 0.0 M
8/24/2018 7:00 AM 0.00 0.0 M 0.0 M
8/25/2018 7:00 AM 0.00 0.0 M 0.0 M
8/26/2018 7:00 AM 0.00 0.0 M 0.0 M
8/27/2018 7:00 AM 0.00 0.0 M 0.0 M
8/28/2018 7:00 AM 0.00 0.0 M 0.0 M
8/29/2018 7:00 AM 0.00 0.0 M 0.0 M
8/30/2018 7:00 AM 0.00 0.0 M 0.0 M
8/31/2018 7:00 AM 0.00 0.0 M 0.0 M
9/1/2018 7:00 AM T 0.0 M 0.0 M some gusty winds with dry showers in the afternoon, a little thunder around 1530, then a couple of minutes of R- with small drops but not much wind at 1700.
9/2/2018 7:00 AM T 0.0 M 0.0 M
9/3/2018 7:00 AM 0.00 0.0 M 0.0 M
9/4/2018 7:00 AM 0.00 0.0 M 0.0 M
9/5/2018 7:00 AM 0.82 0.0 M 0.0 M lightning first seen around 2200 with rain beginning before midnight I believe, accompanied by thunder at times, then mainly rain after ~0200 lasting until around 0400 or so.
9/6/2018 7:00 AM 0.04 0.0 M 0.0 M Some rain late aftn/early evening
9/7/2018 7:00 AM 0.02 0.0 M 0.0 M tstm around 1500-1600 but we missed most of the rain
9/8/2018 7:00 AM 0.00 0.0 M 0.0 M
9/9/2018 7:00 AM 0.00 0.0 M 0.0 M some wind gusts after 10pm but no rain that i saw
9/10/2018 7:00 AM 0.00 0.0 M 0.0 M
9/11/2018 7:00 AM 0.00 0.0 M 0.0 M
9/12/2018 7:00 AM 0.00 0.0 M 0.0 M
9/13/2018 7:00 AM 0.00 0.0 M 0.0 M
9/14/2018 7:00 AM 0.00 0.0 M 0.0 M High of 90 on Thu with a low this morning of 49...dry!
9/15/2018 7:00 AM 0.00 0.0 M 0.0 M
9/16/2018 7:00 AM 0.00 0.0 M 0.0 M
9/17/2018 7:00 AM 0.00 0.0 M 0.0 M
9/18/2018 7:00 AM 0.00 0.0 M 0.0 M a few nearby sprinkles around 1845
9/19/2018 7:00 AM 0.00 0.0 M 0.0 M
9/20/2018 7:00 AM 0.02 0.0 M 0.0 M A lengthy period of R- to R-- in the evening, over by about 10pm
9/21/2018 7:00 AM 0.00 0.0 M 0.0 M
9/22/2018 7:00 AM 0.00 0.0 M 0.0 M
9/23/2018 7:00 AM 0.00 0.0 M 0.0 M
9/24/2018 7:00 AM 0.00 0.0 M 0.0 M
9/25/2018 7:00 AM T 0.0 M 0.0 M sprinkle in the mid to late afternoon
9/26/2018 7:00 AM 0.00 0.0 M 0.0 M
9/27/2018 7:00 AM 0.00 0.0 M 0.0 M
9/28/2018 7:00 AM 0.00 0.0 M 0.0 M
9/29/2018 7:00 AM 0.00 0.0 M 0.0 M low of 35, after a high of only 49, coldest night so far
9/30/2018 7:00 AM 0.00 0.0 M 0.0 M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/1/2017 10/03/2017 7:00 AM 3 1.21 M M most rain fell in the last 48 h. 0.41" after noon on Monday. Cleared overnight with a low of 31 (~32 by 230am). However saw no evidence of frost. Covered plants but no damage seen on parts of them that were not covered.
2/19/2018 2/20/2018 7:00 AM 2 0.52 8.1 M Made 2 measurements, first one at 2215 on 19 Feb of 7.8" with 0.50" melted, rest fell by about midnight. Based on how light the nearby measurements were for the ~1" (with .02-.03" melted) ending 7am/19 feb, probably separate 2 day total would have been more.
5/20/2018 5/21/2018 7:00 AM 2 0.26 0.0 0.00
6/17/2018 6/18/2018 7:00 AM 2 0.66 0.0 0.00 Most of the rain (perhaps all but a trace) fell in the 24 h ending 0700/18 Jun. 0.07" total had fallen by 1600/17 Jun.



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
5/18/2018 3:30 PM 1/2" Grape 1/4" Pea Size Rice Hard|White Ice 10min shredded leaves Intermittent True
6/18/2018 7:20 PM 1 1/2" Ping Pong Ball Size 3/8" 1/4" Pea Size Hard|Clear Ice|White Ice minor leaf damage Continuous True After rain After smaller hail 10-20