Station Overview Station Location
Station Number NM-LA-18 Latitude 35.88612
Station Name Los Alamos 2.5 WSW Longitude -106.32833
County Los Alamos Elevation (ft) 7423



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 19 1.54 1.43 31 1.43 31 0.00 0 0 5 2 1.6 2 1
Nov 19 1.01 0.99 26 0.99 26 0.00 0 0 4 2 1.6 2 2
Dec 19 1.10 0.86 25 0.86 25 0.00 0 0 7 1 4.8 5 9
Jan 20 0.93 0.78 18 0.78 18 0.00 0 0 3 1 7.5 4 10
Feb 20 0.86 0.81 28 0.81 28 0.00 0 0 5 2 7.5 4 7
March 20 1.27 1.88 31 1.88 31 0.00 0 0 7 2 1.5 2 1
April 20 1.24 0.30 30 0.30 30 0.00 0 0 3 0 3.4 2 2
May 20 1.41 0.64 31 0.64 31 0.00 0 0 6 0 0.0 0 0
June 20 1.42 0.80 30 0.80 30 0.00 0 0 7 2 0.0 0 0
July 20 2.83 1.67 30 1.67 30 0.00 0 0 13 0 0.0 0 0
Aug 20 4.31 1.26 31 1.26 31 0.00 0 0 11 1 0.0 0 0
Sept 20 2.17 1.04 30 1.04 30 0.00 0 0 5 1 1.5 1 1
Water Year Totals: 20.09" 12.46" 341 days 12.46" 341 0.00" 0 days 0 76 days 14 days 29.4" 22 days 33 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
10/1/2019 0.00
10/2/2019 0.00
10/3/2019 0.00
10/4/2019 0.90
10/5/2019 0.40
10/6/2019 0.00
10/7/2019 0.00
10/8/2019 0.00
10/9/2019 T
10/10/2019 0.00
10/11/2019 0.00
10/12/2019 0.00
10/13/2019 0.00
10/14/2019 0.00
10/15/2019 0.00
10/16/2019 0.00
10/17/2019 0.00
10/18/2019 0.00
10/19/2019 0.00
10/20/2019 0.00
10/21/2019 0.00
10/22/2019 0.00
10/23/2019 0.00
10/24/2019 T
10/25/2019 0.01
10/26/2019 0.00
10/27/2019 0.00
10/28/2019 0.06
10/29/2019 0.06
10/30/2019 0.00
10/31/2019 0.00
11/1/2019 0.00
11/2/2019 0.00
11/3/2019 0.00
11/4/2019 0.00
11/5/2019 0.00
11/6/2019 0.00
11/7/2019 T
11/8/2019 0.00
11/9/2019 0.00
11/10/2019 0.00
11/11/2019 0.00
11/12/2019 0.00
11/13/2019 0.00
11/14/2019 0.00
11/15/2019 0.00
11/16/2019 0.00
11/17/2019 0.00
11/18/2019 0.00
11/19/2019 0.00
11/20/2019 0.31
11/21/2019 0.28
11/22/2019 0.34
11/23/2019 T
11/24/2019 0.00
11/25/2019 0.00
11/26/2019
11/27/2019
11/28/2019
11/29/2019
11/30/2019 0.06
12/1/2019 0.00
12/2/2019 0.00
12/3/2019
12/4/2019
12/5/2019
12/6/2019
12/7/2019
12/8/2019 0.13
12/9/2019 0.20
12/10/2019 0.00
12/11/2019 0.00
12/12/2019 0.00
12/13/2019 0.00
12/14/2019 0.00
12/15/2019 0.05
12/16/2019 T
12/17/2019 0.00
12/18/2019 0.00
12/19/2019 0.00
12/20/2019 0.00
12/21/2019 0.00
12/22/2019 0.00
12/23/2019 0.00
12/24/2019
12/25/2019 0.20
12/26/2019 0.01
12/27/2019 0.06
12/28/2019 0.21
12/29/2019 0.00
12/30/2019 0.00
12/31/2019 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2020 0.00
1/2/2020
1/3/2020 T
1/4/2020
1/5/2020
1/6/2020
1/7/2020
1/8/2020
1/9/2020 0.00
1/10/2020 0.05
1/11/2020 0.00
1/12/2020 0.00
1/13/2020 0.00
1/14/2020 0.00
1/15/2020 0.00
1/16/2020 0.00
1/17/2020 0.68
1/18/2020 0.00
1/19/2020
1/20/2020 0.00
1/21/2020 0.05
1/22/2020
1/23/2020 0.00
1/24/2020
1/25/2020 0.00
1/26/2020
1/27/2020
1/28/2020 0.00
1/29/2020
1/30/2020 0.00
1/31/2020
2/1/2020 0.00
2/2/2020 0.00
2/3/2020 0.00
2/4/2020 0.02
2/5/2020 0.17
2/6/2020
2/7/2020 0.00
2/8/2020 0.00
2/9/2020 0.00
2/10/2020 0.00
2/11/2020 0.38
2/12/2020 0.00
2/13/2020 T
2/14/2020 0.00
2/15/2020 0.00
2/16/2020 0.00
2/17/2020 0.00
2/18/2020 0.00
2/19/2020 T
2/20/2020 0.00
2/21/2020 0.00
2/22/2020 0.00
2/23/2020 0.23
2/24/2020 0.00
2/25/2020 0.01
2/26/2020 0.00
2/27/2020 0.00
2/28/2020 0.00
2/29/2020 0.00
3/1/2020 0.00
3/2/2020 0.00
3/3/2020 0.00
3/4/2020 0.00
3/5/2020 0.00
3/6/2020 0.00
3/7/2020 0.00
3/8/2020 0.00
3/9/2020 0.07
3/10/2020 0.00
3/11/2020 0.00
3/12/2020 0.01
3/13/2020 0.76
3/14/2020 0.29
3/15/2020 0.00
3/16/2020 0.00
3/17/2020 0.00
3/18/2020 0.00
3/19/2020 0.68
3/20/2020 T
3/21/2020 0.06
3/22/2020 0.01
3/23/2020 0.00
3/24/2020 0.00
3/25/2020 0.00
3/26/2020 0.00
3/27/2020 0.00
3/28/2020 T
3/29/2020 0.00
3/30/2020 0.00
3/31/2020 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2020 0.00
4/2/2020 0.00
4/3/2020 0.00
4/4/2020 0.01
4/5/2020 0.00
4/6/2020 0.00
4/7/2020 0.00
4/8/2020 0.00
4/9/2020 0.00
4/10/2020 0.00
4/11/2020 0.00
4/12/2020 0.00
4/13/2020 0.23
4/14/2020 0.06
4/15/2020 0.00
4/16/2020 0.00
4/17/2020 0.00
4/18/2020 0.00
4/19/2020 0.00
4/20/2020 0.00
4/21/2020 0.00
4/22/2020 0.00
4/23/2020 0.00
4/24/2020 0.00
4/25/2020 0.00
4/26/2020 0.00
4/27/2020 0.00
4/28/2020 0.00
4/29/2020 0.00
4/30/2020 0.00
5/1/2020 0.00
5/2/2020 0.00
5/3/2020 0.00
5/4/2020 0.00
5/5/2020 0.00
5/6/2020 0.00
5/7/2020 0.00
5/8/2020 0.00
5/9/2020 0.00
5/10/2020 0.00
5/11/2020 0.00
5/12/2020 0.04
5/13/2020 0.00
5/14/2020 0.00
5/15/2020 0.00
5/16/2020 0.00
5/17/2020 0.00
5/18/2020 0.00
5/19/2020 0.00
5/20/2020 0.00
5/21/2020 0.00
5/22/2020 0.00
5/23/2020 0.00
5/24/2020 0.00
5/25/2020 0.00
5/26/2020 0.08
5/27/2020 0.00
5/28/2020 0.01
5/29/2020 0.03
5/30/2020 0.42
5/31/2020 0.06
6/1/2020 T
6/2/2020 0.00
6/3/2020 0.01
6/4/2020 0.00
6/5/2020 0.00
6/6/2020 0.24
6/7/2020 0.07
6/8/2020 0.00
6/9/2020 0.00
6/10/2020 0.00
6/11/2020 0.00
6/12/2020 0.00
6/13/2020 0.00
6/14/2020 0.00
6/15/2020 0.25
6/16/2020 T
6/17/2020 0.00
6/18/2020 0.00
6/19/2020 0.00
6/20/2020 0.00
6/21/2020 0.00
6/22/2020 0.00
6/23/2020 0.00
6/24/2020 0.07
6/25/2020 0.02
6/26/2020 0.14
6/27/2020 0.00
6/28/2020 0.00
6/29/2020 0.00
6/30/2020 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2020 0.00
7/2/2020 0.00
7/3/2020 0.00
7/4/2020 0.10
7/5/2020 0.03
7/6/2020 0.32
7/7/2020 0.00
7/8/2020 0.00
7/9/2020 0.00
7/10/2020 0.00
7/11/2020 0.00
7/12/2020 0.00
7/13/2020 0.00
7/14/2020 0.00
7/15/2020 0.09
7/16/2020 0.02
7/17/2020 0.02
7/18/2020 0.34
7/19/2020 0.07
7/20/2020
7/21/2020 0.00
7/22/2020 0.00
7/23/2020 0.00
7/24/2020 0.06
7/25/2020 0.06
7/26/2020 0.04
7/27/2020 0.13
7/28/2020 0.39
7/29/2020 0.00
7/30/2020 0.00
7/31/2020 0.00
8/1/2020 0.01
8/2/2020 0.10
8/3/2020 0.18
8/4/2020 0.19
8/5/2020 0.00
8/6/2020 0.12
8/7/2020 0.00
8/8/2020 0.00
8/9/2020 0.00
8/10/2020 0.12
8/11/2020 0.00
8/12/2020 0.00
8/13/2020 0.00
8/14/2020 0.00
8/15/2020 0.00
8/16/2020 0.00
8/17/2020 0.04
8/18/2020 0.00
8/19/2020 0.03
8/20/2020 0.00
8/21/2020 0.00
8/22/2020 0.00
8/23/2020 0.00
8/24/2020 0.00
8/25/2020 0.00
8/26/2020 0.00
8/27/2020 0.05
8/28/2020 0.00
8/29/2020 0.36
8/30/2020 0.06
8/31/2020 T
9/1/2020 0.00
9/2/2020 0.00
9/3/2020 0.00
9/4/2020 0.00
9/5/2020 T
9/6/2020 0.03
9/7/2020 0.00
9/8/2020 0.00
9/9/2020 0.77
9/10/2020 0.22
9/11/2020 0.01
9/12/2020 0.00
9/13/2020 0.00
9/14/2020 0.00
9/15/2020 0.00
9/16/2020 0.00
9/17/2020 0.00
9/18/2020 0.00
9/19/2020 0.00
9/20/2020 0.00
9/21/2020 0.00
9/22/2020 0.00
9/23/2020 0.01
9/24/2020 0.00
9/25/2020 0.00
9/26/2020 0.00
9/27/2020 0.00
9/28/2020 0.00
9/29/2020 0.00
9/30/2020 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2019 8:00 AM 0.00 0.0 M M M
10/2/2019 8:00 AM 0.00 0.0 M M M
10/3/2019 8:00 AM 0.00 0.0 M M M
10/4/2019 8:00 AM 0.90 M M M M Rain most of the night. Still raining at obs time.
10/5/2019 8:00 AM 0.40 M M M M Rain stopped @ 08:20, then resumed, 9:45 to ~13:30. 0.29" @ 11:45. 0.40" @ 13:30.
10/6/2019 8:00 AM 0.00 0.0 M M M
10/7/2019 8:00 AM 0.00 0.0 M M M
10/8/2019 8:00 AM 0.00 0.0 M M M
10/9/2019 8:00 AM T M M M M A few drops @ 16:20. Light rain 16:30 - 16:40.
10/10/2019 8:00 AM 0.00 0.0 M M M
10/11/2019 8:00 AM 0.00 0.0 M M M
10/12/2019 8:00 AM 0.00 0.0 M M M
10/13/2019 8:00 AM 0.00 0.0 M M M
10/14/2019 8:00 AM 0.00 0.0 M M M
10/15/2019 8:00 AM 0.00 0.0 M M M
10/16/2019 8:00 AM 0.00 0.0 M M M
10/17/2019 8:00 AM 0.00 0.0 M M M
10/18/2019 8:00 AM 0.00 0.0 M M M
10/19/2019 8:00 AM 0.00 0.0 M M M blowing, evaporain. Didn't even amount to a trace.
10/20/2019 8:00 AM 0.00 0.0 M M M
10/21/2019 8:00 AM 0.00 0.0 M M M
10/22/2019 8:00 AM 0.00 0.0 M M M
10/23/2019 8:00 AM 0.00 0.0 M M M
10/24/2019 8:00 AM T M M M M Graupel started just before obs. time
10/25/2019 8:00 AM 0.01 0.0 0.00 0.0 0.00 A.m. graupel stopped ~08:30 (0.01"). Much more snow at lower altitudes; traffic jams. Light snow from 13:00 to ~14:30. Still 0.01" @ 15:30.
10/26/2019 8:00 AM 0.00 0.0 M M M
10/27/2019 8:00 AM 0.00 0.0 M M M
10/28/2019 8:00 AM 0.06 1.0 0.06 1.0 0.06 Snowing @ obs. time.
10/29/2019 8:00 AM 0.06 0.6 0.06 T M Snowing @ obs. time. Intensity varied, finally stopped ~10:45. Snow measured @ 11:00 before much melting could occur. (1.6", 0.15") New snow depth determined by subtraction; water % calculated to be same as total. By obs. time, the only snow left was in the shadows.
10/30/2019 8:00 AM 0.00 0.0 M M M
10/31/2019 8:00 AM 0.00 0.0 M M M
11/1/2019 8:00 AM 0.00 0.0 M M M
11/2/2019 8:00 AM 0.00 0.0 M M M
11/3/2019 8:00 AM 0.00 0.0 M M M
11/4/2019 8:00 AM 0.00 0.0 M M M
11/5/2019 8:00 AM 0.00 0.0 M M M
11/6/2019 8:00 AM 0.00 0.0 M M M
11/7/2019 8:00 AM T M M M M
11/8/2019 8:00 AM 0.00 0.0 M M M
11/9/2019 8:00 AM 0.00 0.0 M M M
11/10/2019 8:00 AM 0.00 0.0 M M M
11/11/2019 8:00 AM 0.00 0.0 M M M
11/12/2019 8:00 AM 0.00 0.0 M M M
11/13/2019 8:00 AM 0.00 0.0 M M M
11/14/2019 8:00 AM 0.00 0.0 M M M
11/15/2019 8:00 AM 0.00 0.0 M M M
11/16/2019 8:00 AM 0.00 0.0 M M M
11/17/2019 8:00 AM 0.00 0.0 M M M
11/18/2019 8:00 AM 0.00 0.0 M M M
11/19/2019 8:00 AM 0.00 0.0 M M M
11/20/2019 8:00 AM 0.31 M M M M Rain in early a.m.; stopped by obs. time.
11/21/2019 8:00 AM 0.28 0.0 M M M A few minutes of very light rain ~13:40. More of same after ~15:00. 0.01" @ 16:15. Harder after ~16:30. 0.10" @ 21:30. Very light snow @ obs. time.
11/22/2019 8:00 AM 0.34 1.0 0.34 1.0 0.34 Snow rate increased in a.m., started to stick ~09:30. 1.7" snow @ 13:00, after some consolidation; 45 g = 0.225" water => 13.2% water. 1.3" @ 15:30; 53 g = 0.265" => 20.4%. In the a.m., 1.0", 69 g = 0.345" = 34.5% water.
11/23/2019 8:00 AM T M M T M Bits of snow left in shady places.
11/24/2019 8:00 AM 0.00 0.0 M M M
11/25/2019 8:00 AM 0.00 0.0 M M M
11/30/2019 8:00 AM 0.06 0.6 0.06 3.5 0.50 Total snow includes the previous 5 days when I was absent. Significant snowing and melting has taken place, but depth measured in a shady place, and so may be greater than nearby values. New snow all occurred overnight.
12/1/2019 8:00 AM 0.00 0.0 M 3.0 0.50
12/2/2019 8:00 AM 0.00 0.0 M 3.0 0.55 Missed 0.1 to 0.2" of ice at bottom of snow. (0.15" of water over 12.6 cm2 = 31 g => 0.70" total melted => 24% water instead of 19%)
12/8/2019 8:00 AM 0.13 M M T M Raining @ obs. Time.Only scattered patches of old snow left.
12/9/2019 8:00 AM 0.20 0.0 M M M Rain paused ~11:00. Fog crept in ~11:30, started lifting ~12:30 as very light rain started. Most of rain occurred in the evening.
12/10/2019 8:00 AM 0.00 0.0 M 0.0 M
12/11/2019 8:00 AM 0.00 0.0 M 0.0 M
12/12/2019 8:00 AM 0.00 0.0 M 0.0 M
12/13/2019 8:00 AM 0.00 0.0 M 0.0 M
12/14/2019 8:00 AM 0.00 0.0 M M M
12/15/2019 8:00 AM 0.05 0.2 0.04 M M Snow appeared overnight.
12/16/2019 8:00 AM T M M M M Light snurries started after dark and continued into the night. These few flakes blew around but never settled; no accumulation.
12/17/2019 8:00 AM 0.00 0.0 M 0.0 M
12/18/2019 8:00 AM 0.00 0.0 M 0.0 M
12/19/2019 8:00 AM 0.00 0.0 M 0.0 M
12/20/2019 8:00 AM 0.00 0.0 M 0.0 M
12/21/2019 8:00 AM 0.00 0.0 M 0.0 M
12/22/2019 8:00 AM 0.00 0.0 M 0.0 M
12/23/2019 8:00 AM 0.00 0.0 M 0.0 M
12/25/2019 11:30 AM 0.20 1.8 0.20 2.0 0.20
12/26/2019 8:00 AM 0.01 0.2 0.01 1.2 0.11 Snow in late evening
12/27/2019 8:00 AM 0.06 0.6 0.06 2.0 0.16
12/28/2019 8:00 AM 0.21 2.0 0.21 2.0 0.21 Light snow most of the day
12/29/2019 8:00 AM 0.00 0.0 M 1.5 0.20
12/30/2019 8:00 AM 0.00 0.0 M 1.5 0.25
12/31/2019 8:00 AM 0.00 0.0 M 1.5 0.26
1/1/2020 8:00 AM 0.00 0.0 M 1.5 0.24
1/3/2020 8:00 AM T 0.2 T 1.5 0.27
1/9/2020 8:00 AM 0.00 0.0 M 0.0 M Some snow left in shady places.
1/10/2020 8:00 AM 0.05 0.5 0.05 0.5 0.05 More snow around midnight.
1/11/2020 8:00 AM 0.00 0.0 M M M
1/12/2020 8:00 AM 0.00 0.0 M M M
1/13/2020 8:00 AM 0.00 0.0 M 0.0 M
1/14/2020 8:00 AM 0.00 0.0 M M M
1/15/2020 8:00 AM 0.00 0.0 M M M
1/16/2020 8:00 AM 0.00 0.0 M 0.0 M
1/17/2020 8:00 AM 0.68 6.5 0.68 6.5 0.68 Snow @ 11:15; still falling after midnight. 2.6" (0.25" water) @ 16:00 (from snow accumulated atop the gague). 4.4" (0.39" w) @ ~18:15 . 5.3" (0.37" w) @ 22:20.
1/18/2020 8:00 AM 0.00 0.0 M 6.0 0.65 Snow depth measured in a shady area.
1/20/2020 8:00 AM 0.00 0.0 M 5.0 0.65 This data is about twice the average amount of snow left.
1/21/2020 8:00 AM 0.05 0.3 0.05 5.0 0.73
1/23/2020 8:00 AM 0.00 0.0 M 3.0 0.66 Snow depth measured in a shady area. 22% water.
1/25/2020 8:00 AM 0.00 0.0 M 2.5 0.55 Snow depth measured in a shady area. 20% water.
1/28/2020 8:00 AM 0.00 0.0 M 2.5 0.56 Snow depth measured in a shady area. 24% water.
1/30/2020 8:00 AM 0.00 0.0 M 0.0 M Snow mostly gone except in shady areas.
2/1/2020 8:00 AM 0.00 0.0 M 0.0 M Snow left only in permanently shaded areas.
2/2/2020 8:00 AM 0.00 0.0 M 0.0 M
2/3/2020 8:00 AM 0.00 0.0 M 0.0 M
2/4/2020 8:00 AM 0.02 0.5 0.02 0.5 0.02 Very dry snow!
2/5/2020 8:00 AM 0.17 1.9 0.17 2.0 0.17 Very light snow all morning, heaver around noon. 1.8" (0.14" melted) @ 13:30
2/7/2020 8:00 AM 0.00 0.0 M 1.5 0.18
2/8/2020 8:00 AM 0.00 0.0 M M M
2/9/2020 8:00 AM 0.00 0.0 M M M
2/10/2020 8:00 AM 0.00 0.0 M 0.0 M
2/11/2020 8:00 AM 0.38 5.0 0.38 5.0 0.38
2/12/2020 8:00 AM 0.00 0.0 M 4.5 0.38 Short periods of light snow at 08:00, 11:15, and 13:15 with no acumulation
2/13/2020 8:00 AM T T M 4.0 0.38 V light snow @ 15:00 No accumulation.
2/14/2020 8:00 AM 0.00 0.0 M 2.5 0.39
2/15/2020 8:00 AM 0.00 0.0 M 0.0 M Old snow left only in shady places.
2/16/2020 8:00 AM 0.00 0.0 M M M
2/17/2020 8:00 AM 0.00 0.0 M M M
2/18/2020 8:00 AM 0.00 0.0 M M M
2/19/2020 8:00 AM T T M M M
2/20/2020 8:00 AM 0.00 0.0 M M M
2/21/2020 8:00 AM 0.00 0.0 M M M
2/22/2020 8:00 AM 0.00 0.0 M M M
2/23/2020 8:00 AM 0.23 T M T M Light rain continued night; trace of snow in the morning.
2/24/2020 8:00 AM 0.00 0.0 M M M
2/25/2020 8:00 AM 0.01 0.1 0.01 0.0 M
2/26/2020 8:00 AM 0.00 0.0 M M M
2/27/2020 8:00 AM 0.00 0.0 M M M
2/28/2020 8:00 AM 0.00 0.0 M M M
2/29/2020 8:00 AM 0.00 0.0 M M M
3/1/2020 8:00 AM 0.00 0.0 M M M
3/2/2020 8:00 AM 0.00 0.0 M M M
3/3/2020 8:00 AM 0.00 0.0 M 0.0 M
3/4/2020 8:00 AM 0.00 0.0 M 0.0 M
3/5/2020 8:00 AM 0.00 0.0 M 0.0 M
3/6/2020 8:00 AM 0.00 0.0 M 0.0 M
3/7/2020 8:00 AM 0.00 0.0 M 0.0 M
3/8/2020 8:00 AM 0.00 0.0 M 0.0 M
3/9/2020 8:00 AM 0.07 0.0 M 0.0 M medium heavy rain for ~15 min, then light, with a bit of pea hail. 0.03" @ 12:40 (0.01" due to hail). The rest happened overnight.
3/10/2020 8:00 AM 0.00 0.0 M 0.0 M
3/11/2020 8:00 AM 0.00 0.0 M M M
3/12/2020 8:00 AM 0.01 0.0 M 0.0 M Light rain
3/13/2020 8:00 AM 0.76 0.0 M 0.0 M Still raining @ obs time, at ~0.04"/hr.
3/14/2020 8:00 AM 0.29 M M M M Rain intensity varied all morning, slowly tapering off by ~noon. More intermittent rain in the p.m. 0.04" @ 09:15. 0.19" @ 11:00. 0.23" @ 14:15. Light rain resumed @14:55 for a while. 0.29" @ 16:20.
3/15/2020 8:00 AM 0.00 0.0 M M M
3/16/2020 8:00 AM 0.00 0.0 M M M
3/17/2020 8:00 AM 0.00 0.0 M M M
3/18/2020 8:00 AM 0.00 0.0 M M M
3/19/2020 8:00 AM 0.68 1.3 0.26 1.5 0.26 Light rain; stopped from 15:20 to 15:50. 0.10" @ 15:30. Pretty much tapered off by 18:15 (0.11"). By morning, 0.42" water in gauge. Tiny snow flakes @ obs time.
3/20/2020 8:00 AM T T M M M Light dusting of snow @ obs time.
3/21/2020 8:00 AM 0.06 0.2 0.06 M M Can't measure much less thian this. Large uncertainty.
3/22/2020 8:00 AM 0.01 0.0 M 0.0 M
3/23/2020 8:00 AM 0.00 0.0 M M M
3/24/2020 8:00 AM 0.00 0.0 M M M
3/25/2020 8:00 AM 0.00 0.0 M M M
3/26/2020 8:00 AM 0.00 0.0 M M M Light rain began @ obs time.
3/27/2020 8:00 AM 0.00 0.0 M M M Tiny sprinkle @ 08:00 (3/26) left not even a trace; barely enough to moisten the paper in the driveway.
3/28/2020 8:00 AM T T M M M Light snow ~22:15. Barely a trace left in the morning.
3/29/2020 8:00 AM 0.00 0.0 M M M
3/30/2020 8:00 AM 0.00 0.0 M M M
3/31/2020 8:00 AM 0.00 0.0 M M M
4/1/2020 8:00 AM 0.00 0.0 M M M
4/2/2020 8:00 AM 0.00 0.0 M M M
4/3/2020 8:00 AM 0.00 0.0 M M M
4/4/2020 8:00 AM 0.01 M M M M Evening light sprinkles. Dusting of snow @ obs time.
4/5/2020 8:00 AM 0.00 0.0 M M M
4/6/2020 8:00 AM 0.00 0.0 M M M
4/7/2020 8:00 AM 0.00 0.0 M M M
4/8/2020 8:00 AM 0.00 0.0 M M M
4/9/2020 8:00 AM 0.00 0.0 M M M
4/10/2020 8:00 AM 0.00 0.0 M M M
4/11/2020 8:00 AM 0.00 0.0 M M M
4/12/2020 8:00 AM 0.00 0.0 M M M
4/13/2020 8:00 AM 0.23 3.1 0.23 3.0 0.23 snow melting quickly on "warm" streets.
4/14/2020 8:00 AM 0.06 0.3 0.06 0.3 0.06 Yesterday's snow all melted.
4/15/2020 8:00 AM 0.00 0.0 M M M
4/16/2020 8:00 AM 0.00 0.0 M M M
4/17/2020 8:00 AM 0.00 0.0 M M M
4/18/2020 8:00 AM 0.00 0.0 M M M
4/19/2020 8:00 AM 0.00 0.0 M M M
4/20/2020 8:00 AM 0.00 0.0 M M M
4/21/2020 8:00 AM 0.00 0.0 M M M
4/22/2020 8:00 AM 0.00 0.0 M M M
4/23/2020 8:00 AM 0.00 0.0 M M M
4/24/2020 8:00 AM 0.00 0.0 M M M
4/25/2020 8:00 AM 0.00 0.0 M M M
4/26/2020 8:00 AM 0.00 0.0 M M M
4/27/2020 8:00 AM 0.00 0.0 M M M
4/28/2020 8:00 AM 0.00 0.0 M M M
4/29/2020 8:00 AM 0.00 0.0 M M M
4/30/2020 8:00 AM 0.00 0.0 M M M
5/1/2020 8:00 AM 0.00 0.0 M M M
5/2/2020 8:00 AM 0.00 0.0 M M M
5/3/2020 8:00 AM 0.00 0.0 M M M
5/4/2020 8:00 AM 0.00 0.0 M M M
5/5/2020 8:00 AM 0.00 0.0 M M M
5/6/2020 8:00 AM 0.00 0.0 M M M
5/7/2020 8:00 AM 0.00 0.0 M M M
5/8/2020 8:00 AM 0.00 0.0 M M M
5/9/2020 8:00 AM 0.00 0.0 M M M
5/10/2020 8:00 AM 0.00 0.0 M M M
5/11/2020 8:00 AM 0.00 0.0 M M M ~6 drops/sq ft of evaporain fell @ 14:55 for less than a minute.
5/12/2020 8:00 AM 0.04 M M M M Rain intermittent.
5/13/2020 8:00 AM 0.00 0.0 M M M
5/14/2020 8:00 AM 0.00 0.0 M M M
5/15/2020 8:00 AM 0.00 0.0 M M M
5/16/2020 8:00 AM 0.00 0.0 M M M
5/17/2020 8:00 AM 0.00 0.0 M M M
5/18/2020 8:00 AM 0.00 0.0 M M M
5/19/2020 8:00 AM 0.00 0.0 M M M
5/20/2020 8:00 AM 0.00 0.0 M M M
5/21/2020 8:00 AM 0.00 0.0 M M M
5/22/2020 8:00 AM 0.00 0.0 M M M
5/23/2020 8:00 AM 0.00 0.0 M M M
5/24/2020 8:00 AM 0.00 0.0 M M M
5/25/2020 8:00 AM 0.00 0.0 M M M
5/26/2020 8:00 AM 0.08 M M M M See yesterday's hail report.
5/27/2020 8:00 AM 0.00 0.0 M M M
5/28/2020 8:00 AM 0.01 M M M M Evaporain for a few minutes at 17:12 and a bit more at 18:45.
5/29/2020 8:00 AM 0.03 M M M M Like yesterday, ~10 min of rain @ 17:15 and again at ~18:20.
5/30/2020 8:00 AM 0.42 M M M M Rain: 13:15-13:25. 0.01" @ 13:30. More @ 13:50-13:55 (<0.01" additional). Again, harder @ 14:10; harder yet @ 14:18; light @ 14:27. 0.42" @ 15:20.
5/31/2020 8:00 AM 0.06 M M M M
6/1/2020 8:00 AM T M M M M
6/2/2020 8:00 AM 0.00 0.0 M M M
6/3/2020 8:00 AM 0.01 M M M M
6/4/2020 8:00 AM 0.00 0.0 M M M
6/5/2020 8:00 AM 0.00 0.0 M M M
6/6/2020 8:00 AM 0.24 M M M M 0.18" @ 07:20 from overnight rain. More @ 07:40. Light rain @ obs time.
6/7/2020 8:00 AM 0.07 M M M M
6/8/2020 8:00 AM 0.00 0.0 M M M
6/9/2020 8:00 AM 0.00 0.0 M M M
6/10/2020 8:00 AM 0.00 0.0 M M M
6/11/2020 8:00 AM 0.00 0.0 M M M
6/12/2020 8:00 AM 0.00 0.0 M M M
6/13/2020 8:00 AM 0.00 0.0 M M M A few drops of evaporain @ 16:30.
6/14/2020 8:00 AM 0.00 0.0 M M M
6/15/2020 8:00 AM 0.25 M M M M 4 min @ 16:06. 3 more minutes @ 16:37. 7 more min @16:50. On & off, 17:01-17:20. None overnight.
6/16/2020 8:00 AM T M M M M
6/17/2020 8:00 AM 0.00 0.0 M M M
6/18/2020 8:00 AM 0.00 0.0 M M M
6/19/2020 8:00 AM 0.00 0.0 M M M
6/20/2020 8:00 AM 0.00 0.0 M M M
6/21/2020 8:00 AM 0.00 0.0 M M M
6/22/2020 8:00 AM 0.00 0.0 M M M
6/23/2020 8:00 AM 0.00 0.0 M M M
6/24/2020 8:00 AM 0.07 M M M M Showers @ 12:33-12:40 & 13:16 & 13:27-?, w/ pea hail 13:31-13:34. More, 13:55-14:10.
6/25/2020 8:00 AM 0.02 M M M M
6/26/2020 8:00 AM 0.14 M M M M Hail, 13:05-:09, 5-8 mm
6/27/2020 8:00 AM 0.00 0.0 M M M
6/28/2020 8:00 AM 0.00 0.0 M M M
6/29/2020 8:00 AM 0.00 0.0 M M M
6/30/2020 8:00 AM 0.00 0.0 M M M
7/1/2020 8:00 AM 0.00 0.0 M M M
7/2/2020 8:00 AM 0.00 0.0 M M M
7/3/2020 8:00 AM 0.00 0.0 M M M
7/4/2020 8:00 AM 0.10 M M M M Countable drops of evaporain @ 17:51. More, 18:58-19:30 (0.03"). Still more ~20:45. 0.06" @ 21:30.
7/5/2020 8:00 AM 0.03 M M M M A little more, ~16:45-16:55.
7/6/2020 8:00 AM 0.32 M M M M Rain w/ hail. 0.07" @ 13:15. More 14:28-15:00. 0.32" @ 15:15.
7/7/2020 8:00 AM 0.00 0.0 M M M
7/8/2020 8:00 AM 0.00 0.0 M M M
7/9/2020 8:00 AM 0.00 0.0 M M M
7/10/2020 8:00 AM 0.00 0.0 M M M
7/11/2020 8:00 AM 0.00 0.0 M M M
7/12/2020 8:00 AM 0.00 0.0 M M M
7/13/2020 8:00 AM 0.00 0.0 M M M Sprinkled for ~3 min @ 15:28. Evaporain @ 15:37. 15:43: Sunshine! Nothing measurable.
7/14/2020 8:00 AM 0.00 0.0 M M M
7/15/2020 8:00 AM 0.09 M M M M A few more drops @ 14:44; no addn'l accumulation.
7/16/2020 8:00 AM 0.02 M M M M Light sprinkles shortly before obs time, but no extra accumulation.
7/17/2020 8:00 AM 0.02 M M M M
7/18/2020 8:00 AM 0.34 M M M M 0.01" @ 12:50. 0.28" @ 14:40. More light rain, 19:35 and more overnight.
7/19/2020 8:00 AM 0.07 M M M M
7/21/2020 8:00 AM 0.00 0.0 M M M
7/22/2020 8:00 AM 0.00 0.0 M M M
7/23/2020 8:00 AM 0.00 0.0 M M M
7/24/2020 8:00 AM 0.06 M M M M Mostly overnight; some light sprinkles around 07:30.
7/25/2020 8:00 AM 0.06 M M M M Again, mostly overnight; ground wet in the a.m.
7/26/2020 8:00 AM 0.04 M M M M 0.03" @ 20:00, a bit more overnight.
7/27/2020 8:00 AM 0.13 M M M M Rain stopped before 19:30; none overnight.
7/28/2020 8:00 AM 0.39 M M M M more @ 15:50 and 21:15, but most happened late night
7/29/2020 8:00 AM 0.00 0.0 M M M
7/30/2020 8:00 AM 0.00 0.0 M M M
7/31/2020 8:00 AM 0.00 0.0 M M M
8/1/2020 8:00 AM 0.01 M M M M
8/2/2020 8:00 AM 0.10 M M M M Hail 15:29-15:32, rice & pea.
8/3/2020 8:00 AM 0.18 M M M M Hail 14:17-:23, 2-11 mm. More 14:26-:31. 0.14" @ 14:40. More gentle rain ~15:00 to 15:30. Evidence of more in the wee hours.
8/4/2020 8:00 AM 0.19 M M M M
8/5/2020 8:00 AM 0.00 0.0 M M M
8/6/2020 8:00 AM 0.12 M M M M
8/7/2020 8:00 AM 0.00 0.0 M M M
8/8/2020 8:00 AM 0.00 0.0 M M M
8/9/2020 8:00 AM 0.00 0.0 M M M
8/10/2020 8:00 AM 0.12 M M M M A few drops at 12:11 and 12:26 and 12:42, but most was from 12:55-13:20. 0.04" @ 15:30. More rain 15:40-15:58, with hail (report submitted). 0.12" @ 16:15.
8/11/2020 8:00 AM 0.00 0.0 M M M
8/12/2020 8:00 AM 0.00 0.0 M M M
8/13/2020 8:00 AM 0.00 0.0 M M M
8/14/2020 8:00 AM 0.00 0.0 M M M
8/15/2020 8:00 AM 0.00 0.0 M M M
8/16/2020 8:00 AM 0.00 0.0 M M M
8/17/2020 8:00 AM 0.04 M M M M
8/18/2020 8:00 AM 0.00 0.0 M M M
8/19/2020 8:00 AM 0.03 M M M M
8/20/2020 8:00 AM 0.00 0.0 M M M
8/21/2020 8:00 AM 0.00 0.0 M M M
8/22/2020 8:00 AM 0.00 0.0 M M M
8/23/2020 8:00 AM 0.00 0.0 M M M
8/24/2020 8:00 AM 0.00 0.0 M M M
8/25/2020 8:00 AM 0.00 0.0 M M M
8/26/2020 8:00 AM 0.00 0.0 M M M
8/27/2020 8:00 AM 0.05 M M M M
8/28/2020 8:00 AM 0.00 0.0 M M M
8/29/2020 8:00 AM 0.36 M M M M 14:31-15:12: 0.15". Lots more, 17:51-~21:45 (light rain tapered off slowly)
8/30/2020 8:00 AM 0.06 M M M M ~2 min of rain @ 13:20. (T) ~3 more min @ 14:53. ~4 more @ 15:17. Steady rain ~18:00-18:10, then light rain to ?
8/31/2020 8:00 AM T M M M M A few 1-2 min periods of a few drops in the PM,
9/1/2020 8:00 AM 0.00 0.0 M M M
9/2/2020 8:00 AM 0.00 0.0 M M M
9/3/2020 8:00 AM 0.00 0.0 M M M
9/4/2020 8:00 AM 0.00 0.0 M M M
9/5/2020 8:00 AM T M M M M
9/6/2020 8:00 AM 0.03 M M M M
9/7/2020 8:00 AM 0.00 0.0 M M M
9/8/2020 8:00 AM 0.00 0.0 M M M
9/9/2020 8:00 AM 0.77 1.5 0.38 1.5 0.38 A few drops of evaporain ~14:30. Then rain + snow in evening and at night. 0.16" @ 22:15.
9/10/2020 8:00 AM 0.22 M M M M
9/11/2020 8:00 AM 0.01 M M M M
9/12/2020 8:00 AM 0.00 0.0 M M M
9/13/2020 8:00 AM 0.00 0.0 M M M
9/14/2020 8:00 AM 0.00 0.0 M M M
9/15/2020 8:00 AM 0.00 0.0 M M M
9/16/2020 8:00 AM 0.00 0.0 M M M
9/17/2020 8:00 AM 0.00 0.0 M M M
9/18/2020 8:00 AM 0.00 0.0 M M M
9/19/2020 8:00 AM 0.00 0.0 M M M
9/20/2020 8:00 AM 0.00 0.0 M M M
9/21/2020 8:00 AM 0.00 0.0 M M M
9/22/2020 8:00 AM 0.00 0.0 M M M
9/23/2020 8:00 AM 0.01 M M M M Tapered off slowly.
9/24/2020 8:00 AM 0.00 0.0 M M M
9/25/2020 8:00 AM 0.00 0.0 M M M
9/26/2020 8:00 AM 0.00 0.0 M M M
9/27/2020 8:00 AM 0.00 0.0 M M M
9/28/2020 8:00 AM 0.00 0.0 M M M
9/29/2020 8:00 AM 0.00 0.0 M M M
9/30/2020 8:00 AM 0.00 0.0 M M M



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
5/25/2020 6:59 PM Heavy for ~4 minutes, then tapered off slowly. Changed to rain + hail after ~10 min. and reduced to light rain 4 min. later. 7/8" Nickel Size NA 5/8" Hard|White Ice 14 1min minor leaf damage Continuous False Before rain Same time as smaller hail vertical
6/23/2020 1:31 PM 1/4" Pea Size 1/4" Pea Size Rice Hard 3 2min Continuous True After rain Same time as smaller hail vertical
6/25/2020 1:05 PM 3/8" 1/4" Pea Size 1/4" Pea Size Hard|White Ice 4 1min Continuous False After rain Same time as smaller hail 10-20
7/5/2020 12:52 PM 1/4" Pea Size 1/4" Pea Size Rice Hard|White Ice 6 1min no damage Continuous True Same time as rain
7/17/2020 1:41 PM 1/4" Pea Size 1/4" Pea Size 1/4" Pea Size Hard|White Ice 1 1min Continuous True After rain Same time as smaller hail
7/17/2020 1:52 PM 1/4" Pea Size 1/4" Pea Size Rice Hard|White Ice 3 1min False Same time as rain Same time as smaller hail
8/1/2020 3:29 PM 1/4" Pea Size 1/4" Pea Size Rice Hard|White Ice 3 1min Continuous True After rain Same time as smaller hail
8/2/2020 2:17 PM Hail was almost constant, but with a break from 14:23 to 14:26. 3/8" 1/4" Pea Size Rice Hard|Mixed|White Ice 14 1min Intermittent False Before rain Same time as smaller hail
8/9/2020 3:47 PM 3/8" 1/4" Pea Size Rice Hard|White Ice 2 1min Continuous True After rain Same time as smaller hail