Station Overview Station Location
Station Number CO-BO-146 Latitude 40.226333
Station Name Lyons 0.3 NNE Longitude -105.266667
County Boulder Elevation (ft) 5399



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 1.07 1.33 31 1.33 31 0.00 0 0 10 1 13.2 8 6
Nov 19 0.86 1.88 30 1.88 30 0.00 0 0 8 2 32.2 6 12
Dec 19 0.50 0.11 31 0.11 31 0.00 0 0 3 4 1.6 2 15
Jan 20 0.48 0.00 31 0.00 31 0.00 0 0 0 1 0.0 0 0
Feb 20 0.56 1.43 29 1.43 29 0.00 0 0 11 2 28.4 10 24
March 20 1.57 1.65 31 1.65 31 0.00 0 0 8 5 3.9 3 4
April 20 2.00 2.26 30 2.26 30 0.00 0 0 8 2 29.1 6 9
May 20 2.48 1.58 31 1.58 31 0.00 0 0 9 7 0.0 0 0
June 20 2.26 1.36 30 1.36 30 0.00 0 0 8 9 0.0 0 0
July 20 1.72 1.48 31 1.48 31 0.00 0 0 9 8 0.0 0 0
Aug 20 1.41 0.64 31 0.64 31 0.00 0 0 8 4 0.0 0 0
Sept 20 1.57 0.89 30 0.89 30 0.00 0 0 5 2 2.7 1 1
Water Year Totals: 16.48" 14.61" 366 days 14.61" 366 0.00" 0 days 0 87 days 47 days 111.1" 36 days 71 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 0.05
10/2/2019 0.23
10/3/2019 0.02
10/4/2019 0.00
10/5/2019 0.00
10/6/2019 0.00
10/7/2019 0.00
10/8/2019 0.00
10/9/2019 0.00
10/10/2019 0.22
10/11/2019 0.13
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 0.21
10/25/2019 0.00
10/26/2019 0.00
10/27/2019 0.02
10/28/2019 0.19
10/29/2019 0.05
10/30/2019 0.21
10/31/2019 T
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 0.06
11/8/2019 0.00
11/9/2019 0.00
11/10/2019 0.00
11/11/2019 0.12
11/12/2019 T
11/13/2019 0.00
11/14/2019 0.01
11/15/2019 0.00
11/16/2019 0.00
11/17/2019 T
11/18/2019 0.00
11/19/2019 0.00
11/20/2019 0.00
11/21/2019 0.15
11/22/2019 0.13
11/23/2019 0.00
11/24/2019 0.00
11/25/2019 0.00
11/26/2019 1.18
11/27/2019 0.19
11/28/2019 0.00
11/29/2019 0.00
11/30/2019 0.04
12/1/2019 0.00
12/2/2019 0.00
12/3/2019 0.00
12/4/2019 0.00
12/5/2019 T
12/6/2019 0.04
12/7/2019 0.00
12/8/2019 0.00
12/9/2019 T
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 0.01
12/16/2019 0.00
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 0.00
12/25/2019 0.00
12/26/2019 T
12/27/2019 0.00
12/28/2019 0.06
12/29/2019 T
12/30/2019 0.00
12/31/2019 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2020 0.00
1/2/2020 0.00
1/3/2020 0.00
1/4/2020 0.00
1/5/2020 0.00
1/6/2020 0.00
1/7/2020 0.00
1/8/2020 0.00
1/9/2020 0.00
1/10/2020 0.00
1/11/2020 0.00
1/12/2020 0.00
1/13/2020 0.00
1/14/2020 T
1/15/2020 0.00
1/16/2020 0.00
1/17/2020 0.00
1/18/2020 0.00
1/19/2020 0.00
1/20/2020 0.00
1/21/2020 0.00
1/22/2020 0.00
1/23/2020 0.00
1/24/2020 0.00
1/25/2020 0.00
1/26/2020 0.00
1/27/2020 0.00
1/28/2020 0.00
1/29/2020 0.00
1/30/2020 0.00
1/31/2020 0.00
2/1/2020 0.00
2/2/2020 0.00
2/3/2020 0.04
2/4/2020 0.39
2/5/2020 0.04
2/6/2020 0.00
2/7/2020 0.15
2/8/2020 0.08
2/9/2020 0.05
2/10/2020 0.19
2/11/2020 0.15
2/12/2020 0.00
2/13/2020 0.14
2/14/2020 0.00
2/15/2020 0.00
2/16/2020 0.00
2/17/2020 0.00
2/18/2020 0.05
2/19/2020 0.00
2/20/2020 0.15
2/21/2020 0.00
2/22/2020 0.00
2/23/2020 0.00
2/24/2020 T
2/25/2020 T
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 0.15
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 0.04
3/10/2020 0.00
3/11/2020 0.00
3/12/2020 0.00
3/13/2020 T
3/14/2020 0.03
3/15/2020 T
3/16/2020 0.00
3/17/2020 0.03
3/18/2020 0.00
3/19/2020 0.19
3/20/2020 1.06
3/21/2020 0.03
3/22/2020 0.00
3/23/2020 T
3/24/2020 T
3/25/2020 0.00
3/26/2020 0.00
3/27/2020 0.00
3/28/2020 0.12
3/29/2020 0.00
3/30/2020 0.00
3/31/2020 T
Day of YearDaily PrcpMultiday Prcp
4/1/2020 0.00
4/2/2020 0.03
4/3/2020 0.12
4/4/2020 T
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 0.32
4/13/2020 0.29
4/14/2020 0.09
4/15/2020 0.00
4/16/2020 1.10
4/17/2020 0.27
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 T
4/24/2020 0.00
4/25/2020 0.04
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 T
5/3/2020 0.18
5/4/2020 0.21
5/5/2020 0.00
5/6/2020 0.00
5/7/2020 0.00
5/8/2020 T
5/9/2020 0.00
5/10/2020 0.00
5/11/2020 0.00
5/12/2020 0.16
5/13/2020 T
5/14/2020 0.01
5/15/2020 0.25
5/16/2020 0.06
5/17/2020 0.00
5/18/2020 0.00
5/19/2020 0.00
5/20/2020 T
5/21/2020 0.00
5/22/2020 0.00
5/23/2020 0.00
5/24/2020 T
5/25/2020 0.67
5/26/2020 T
5/27/2020 0.00
5/28/2020 0.01
5/29/2020 0.00
5/30/2020 T
5/31/2020 0.03
6/1/2020 0.04
6/2/2020 0.00
6/3/2020 T
6/4/2020 T
6/5/2020 T
6/6/2020 T
6/7/2020 0.28
6/8/2020 0.00
6/9/2020 0.12
6/10/2020 0.00
6/11/2020 0.00
6/12/2020 0.00
6/13/2020 0.00
6/14/2020 T
6/15/2020 0.00
6/16/2020 0.00
6/17/2020 0.00
6/18/2020 0.00
6/19/2020 0.43
6/20/2020 0.28
6/21/2020 0.00
6/22/2020 0.07
6/23/2020 T
6/24/2020 T
6/25/2020 T
6/26/2020 0.07
6/27/2020 0.00
6/28/2020 T
6/29/2020 0.07
6/30/2020 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2020 T
7/2/2020 0.00
7/3/2020 0.00
7/4/2020 0.00
7/5/2020 0.00
7/6/2020 T
7/7/2020 T
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 T
7/15/2020 0.01
7/16/2020 0.00
7/17/2020 T
7/18/2020 T
7/19/2020 0.02
7/20/2020 0.03
7/21/2020 T
7/22/2020 T
7/23/2020 0.03
7/24/2020 0.00
7/25/2020 0.03
7/26/2020 0.05
7/27/2020 0.04
7/28/2020 0.00
7/29/2020 0.68
7/30/2020 0.00
7/31/2020 0.59
8/1/2020 0.32
8/2/2020 0.01
8/3/2020 0.02
8/4/2020 0.03
8/5/2020 0.00
8/6/2020 T
8/7/2020 0.00
8/8/2020 0.00
8/9/2020 0.00
8/10/2020 0.00
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 0.00
8/18/2020 0.00
8/19/2020 T
8/20/2020 0.03
8/21/2020 0.02
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 T
8/28/2020 0.01
8/29/2020 0.20
8/30/2020 T
8/31/2020 0.00
9/1/2020 0.04
9/2/2020 0.00
9/3/2020 0.00
9/4/2020 0.00
9/5/2020 0.00
9/6/2020 0.00
9/7/2020 0.00
9/8/2020 0.16
9/9/2020 0.57
9/10/2020 0.06
9/11/2020 0.06
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 T
9/24/2020 0.00
9/25/2020 0.00
9/26/2020 0.00
9/27/2020 0.00
9/28/2020 T
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 7:00 AM 0.05 M M M M Overnight drizzle, continuing at observation time.
10/2/2019 7:00 AM 0.23 M M M M Light rain and drizzle.
10/3/2019 7:00 AM 0.02 M M M M Some drizzle or light rain continuing into late morning.
10/4/2019 7:00 AM 0.00 0.0 M M M
10/5/2019 7:00 AM 0.00 0.0 M M M
10/6/2019 7:00 AM 0.00 0.0 M M M
10/7/2019 7:00 AM 0.00 0.0 M M M Overnight low 34F.
10/8/2019 7:00 AM 0.00 0.0 M M M
10/9/2019 7:00 AM 0.00 0.0 M M M
10/10/2019 7:00 AM 0.22 1.9 M 2.0 M Drizzle beginning after dark, turning to snow overnight and continuing.Low 23F.
10/11/2019 7:00 AM 0.13 0.9 M M M Snow, heaviest in the a.m. but throughout much of the day. High 31F. Low 18F.
10/12/2019 7:00 AM 0.00 0.0 M M M
10/13/2019 7:00 AM 0.00 0.0 M M M
10/14/2019 7:00 AM 0.00 0.0 M M M
10/15/2019 7:00 AM 0.00 0.0 M M M
10/16/2019 7:00 AM 0.00 0.0 M M M
10/17/2019 7:00 AM 0.00 0.0 M M M
10/18/2019 7:00 AM 0.00 0.0 M M M
10/19/2019 7:00 AM 0.00 0.0 M M M
10/20/2019 7:00 AM 0.00 0.0 M M M
10/21/2019 7:00 AM 0.00 0.0 M M M Windy. Low at observation time 27F.
10/22/2019 7:00 AM 0.00 0.0 M M M
10/23/2019 7:00 AM 0.00 0.0 M M M
10/24/2019 7:00 AM 0.21 4.1 M 3.5 M
10/25/2019 7:00 AM 0.00 0.0 M M M
10/26/2019 7:00 AM 0.00 0.0 M M M
10/27/2019 7:00 AM 0.02 0.4 M T M High 76F. Some snow and perhaps light rain overnight. Light snow continuing.
10/28/2019 7:00 AM 0.19 2.1 M 1.5 M Snow throughout the day, heavier in late afternoon and into the night. High 27F, low 17F.
10/29/2019 7:00 AM 0.05 0.9 M 2.0 M
10/30/2019 7:00 AM 0.21 2.8 M 4.0 M Snow throughout the day and continuing light snow at observation time. High 22F. Low 2F.
10/31/2019 7:00 AM T 0.1 M 3.5 M Light snow ending around 9am. Overnight low temp 8F.
11/1/2019 7:00 AM 0.00 0.0 M 3.0 M
11/2/2019 7:00 AM 0.00 0.0 M 2.0 M
11/3/2019 7:00 AM 0.00 0.0 M 0.5 M
11/4/2019 7:00 AM 0.00 0.0 M T M
11/5/2019 7:00 AM 0.00 0.0 M 0.0 M
11/6/2019 7:00 AM 0.00 0.0 M 0.0 M
11/7/2019 7:00 AM 0.06 M M 0.0 M Daytime high temp around 50F mid or late morning, then dropping to around freezing by late afternoon. Light rain/drizzle changing to freezing drizzle in the evening leaving a light ice coating on many surfaces. Low at observation time 27F.
11/8/2019 7:00 AM 0.00 0.0 M 0.0 M
11/9/2019 7:00 AM 0.00 0.0 M 0.0 M
11/10/2019 7:00 AM 0.00 0.0 M 0.0 M
11/11/2019 7:00 AM 0.12 2.9 M 2.5 M First flakes at 8:45pm. Ice under a layer of fluffy snow this morning. Light snow continuing. Low 12F.
11/12/2019 7:00 AM T T M 1.0 M Light snow petering out in the morning.
11/13/2019 7:00 AM 0.00 0.0 M 0.0 M
11/14/2019 7:00 AM 0.01 M M 0.0 M Some rain overnight. Low 36F.
11/15/2019 7:00 AM 0.00 0.0 M 0.0 M
11/16/2019 7:00 AM 0.00 0.0 M 0.0 M
11/17/2019 7:00 AM T M M 0.0 M
11/18/2019 7:00 AM 0.00 0.0 M 0.0 M
11/19/2019 7:00 AM 0.00 0.0 M 0.0 M
11/20/2019 7:00 AM 0.00 0.0 M 0.0 M
11/21/2019 7:00 AM 0.15 0.4 M T M Light rain beginning mid afternoon and changing to snow around 4:15pm. Rainfall: 0.03". Snow overnight accumulating 0.4" of snow ice mix with 0.12" water content.
11/22/2019 7:00 AM 0.13 1.8 M 1.5 M
11/23/2019 7:00 AM 0.00 0.0 M 0.5 M
11/24/2019 7:00 AM 0.00 0.0 M 0.0 M
11/25/2019 7:00 AM 0.00 0.0 M 0.0 M
11/26/2019 7:00 AM 1.18 23.2 M 22.0 M Snowfall rate 5am to 7am 2.2"/hour. At 5am noted snow pellets atop the snow. Snow intervals w/water content: 2pm- yesterday 11/25 storm begins. 5pm 2.4" snow / 0.21" water 10pm 8.2" snow additional / 0.35" water 5am 8.3" snow additional / 0.48" water 7am 4.3" snow additional / 0.14" water Heavy snow continues.
11/27/2019 7:00 AM 0.19 3.6 M 23.0 M Storm total: 26.8"snow, 1.37" water content. Snow continued in the morning, ending by 11am. Some light snow again after nightfall. Low 4F.
11/28/2019 7:00 AM 0.00 0.0 M 20.0 M
11/29/2019 7:00 AM 0.00 0.0 M 18.0 M
11/30/2019 7:00 AM 0.04 0.3 M 12.0 M Light snowfall beginning roughly 7pm. A fair amount of snow pellets noted around 8pm. Strong winds in the evening and through the night distorted snow measurement and catch in gauge.
12/1/2019 7:00 AM 0.00 0.0 M 11.0 M
12/2/2019 7:00 AM 0.00 0.0 M 10.0 M
12/3/2019 7:00 AM 0.00 0.0 M 7.0 M Warm winds throughout the night kept temperatures in the mid 40's. A lot of snow melting occurred.
12/4/2019 7:00 AM 0.00 0.0 M 5.0 M Warm daytime temps in the upper 50s.
12/5/2019 7:00 AM T M M 4.0 M A little rain off and on beginning at approximately 6am.
12/6/2019 7:00 AM 0.04 T M 3.0 M Rain changing to snow later in the day.
12/7/2019 7:00 AM 0.00 0.0 M 2.5 M
12/8/2019 7:00 AM 0.00 0.0 M 2.0 M
12/9/2019 7:00 AM T M M 2.0 M A smidge of rain in the afternoon and late afternoon.
12/10/2019 7:00 AM 0.00 0.0 M 1.0 M
12/11/2019 7:00 AM 0.00 0.0 M 0.5 M
12/12/2019 7:00 AM 0.00 0.0 M 0.5 M
12/13/2019 7:00 AM 0.00 0.0 M T M
12/14/2019 7:00 AM 0.00 0.0 M T M
12/15/2019 7:00 AM 0.01 0.1 M T M
12/16/2019 7:00 AM 0.00 0.0 M T M
12/17/2019 7:00 AM 0.00 0.0 M T M
12/18/2019 7:00 AM 0.00 0.0 M T M
12/19/2019 7:00 AM 0.00 0.0 M T M
12/20/2019 7:00 AM 0.00 0.0 M T M
12/21/2019 7:00 AM 0.00 0.0 M T M
12/22/2019 7:00 AM 0.00 0.0 M T M
12/23/2019 7:00 AM 0.00 0.0 M T M
12/24/2019 7:00 AM 0.00 0.0 M 0.0 M
12/25/2019 7:00 AM 0.00 0.0 M 0.0 M
12/26/2019 7:00 AM T T M T M Overnight trace snowfall leaving tiny snow "balls" on surfaces.
12/27/2019 7:00 AM 0.00 0.0 M T M
12/28/2019 7:00 AM 0.06 1.5 M 1.5 M Snow overnight and continuing at observation time.
12/29/2019 7:00 AM T T M 1.0 M
12/30/2019 7:00 AM 0.00 0.0 M 0.5 M
12/31/2019 7:00 AM 0.00 0.0 M T M
1/1/2020 7:00 AM 0.00 0.0 M T M
1/2/2020 7:00 AM 0.00 0.0 M T M
1/3/2020 7:00 AM 0.00 0.0 M 0.0 M
1/4/2020 7:00 AM 0.00 0.0 M 0.0 M
1/5/2020 7:00 AM 0.00 0.0 M 0.0 M
1/6/2020 7:00 AM 0.00 0.0 M 0.0 M
1/7/2020 7:00 AM 0.00 0.0 M 0.0 M
1/8/2020 7:00 AM 0.00 0.0 M 0.0 M
1/9/2020 7:00 AM 0.00 0.0 M 0.0 M
1/10/2020 7:00 AM 0.00 0.0 M 0.0 M
1/11/2020 7:00 AM 0.00 0.0 M 0.0 M
1/12/2020 7:00 AM 0.00 0.0 M 0.0 M
1/13/2020 7:00 AM 0.00 0.0 M 0.0 M
1/14/2020 7:00 AM T T M 0.0 M Snowflurries ~2pm - 2:15pm
1/15/2020 7:00 AM 0.00 0.0 M 0.0 M
1/16/2020 7:00 AM 0.00 0.0 M 0.0 M
1/17/2020 7:00 AM 0.00 0.0 M 0.0 M
1/18/2020 7:00 AM 0.00 0.0 M 0.0 M
1/19/2020 7:00 AM 0.00 0.0 M 0.0 M
1/20/2020 7:00 AM 0.00 0.0 M 0.0 M
1/21/2020 7:00 AM 0.00 0.0 M 0.0 M
1/22/2020 7:00 AM 0.00 0.0 M 0.0 M
1/23/2020 7:00 AM 0.00 0.0 M 0.0 M
1/24/2020 7:00 AM 0.00 0.0 M 0.0 M
1/25/2020 7:00 AM 0.00 0.0 M 0.0 M
1/26/2020 7:00 AM 0.00 0.0 M 0.0 M
1/27/2020 7:00 AM 0.00 0.0 M 0.0 M
1/28/2020 7:00 AM 0.00 0.0 M 0.0 M
1/29/2020 7:00 AM 0.00 0.0 M 0.0 M
1/30/2020 7:00 AM 0.00 0.0 M 0.0 M
1/31/2020 7:00 AM 0.00 0.0 M 0.0 M
2/1/2020 7:00 AM 0.00 0.0 M 0.0 M
2/2/2020 7:00 AM 0.00 0.0 M 0.0 M
2/3/2020 7:00 AM 0.04 T M T M Freezing rain leaving a bit of ice on surfaces. A fair amount of snow began to fall shortly before observation time. High 73F.
2/4/2020 7:00 AM 0.39 11.2 M 9.0 M Snow throughout the day, heavier in the late afternoon. 8pm reading 6.4". 4.8" additional by observation time. Light snow continuing.
2/5/2020 7:00 AM 0.04 0.8 M 7.0 M Light snow until late morning. High 22F. Overnight low -5F. Snow compressed quickly and didn't accumulate as much on roads, etc, so it doesn't really look like 11"
2/6/2020 7:00 AM 0.00 0.0 M 6.0 M
2/7/2020 7:00 AM 0.15 2.6 M 7.0 M Snow began ~7:30pm and accumulated approximately 2" by 9:30-10pm and ending overnight.
2/8/2020 7:00 AM 0.08 1.1 M 8.0 M
2/9/2020 7:00 AM 0.05 0.9 M 5.0 M
2/10/2020 7:00 AM 0.19 2.9 M 9.0 M
2/11/2020 7:00 AM 0.15 2.7 M 8.0 M Snow beginning around 5pm. Overnight low 4F.
2/12/2020 7:00 AM 0.00 0.0 M 8.0 M
2/13/2020 7:00 AM 0.14 2.1 M 9.0 M
2/14/2020 7:00 AM 0.00 0.0 M 8.0 M
2/15/2020 7:00 AM 0.00 0.0 M 5.0 M
2/16/2020 7:00 AM 0.00 0.0 M 4.0 M
2/17/2020 7:00 AM 0.00 0.0 M 4.0 M
2/18/2020 7:00 AM 0.05 0.7 M 4.0 M
2/19/2020 7:00 AM 0.00 0.0 M 3.0 M
2/20/2020 7:00 AM 0.15 3.4 M 6.0 M Snow beginning in the afternoon and accumulating 1" by 4pm, 2.8" by 8pm. Low -1F.
2/21/2020 7:00 AM 0.00 0.0 M 3.0 M
2/22/2020 7:00 AM 0.00 0.0 M 2.0 M Overnight strong winds buoyed temps to 47F.
2/23/2020 7:00 AM 0.00 0.0 M 1.0 M High 55F, overnight low 37F
2/24/2020 7:00 AM T T M 0.5 M
2/25/2020 7:00 AM T T M 0.5 M A hefty squall blew in around 7:45am dropping some snow quickly.
2/26/2020 7:00 AM 0.00 0.0 M 0.5 M
2/27/2020 7:00 AM 0.00 0.0 M 0.5 M
2/28/2020 7:00 AM 0.00 0.0 M T M
2/29/2020 7:00 AM 0.00 0.0 M T M
3/1/2020 7:00 AM 0.00 0.0 M T M
3/2/2020 7:00 AM 0.15 2.0 M 1.5 M
3/3/2020 7:00 AM 0.00 0.0 M 0.5 M
3/4/2020 7:00 AM 0.00 0.0 M T M
3/5/2020 7:00 AM 0.00 0.0 M T M
3/6/2020 7:00 AM 0.00 0.0 M 0.0 M
3/7/2020 7:00 AM 0.00 0.0 M 0.0 M
3/8/2020 7:00 AM 0.00 0.0 M 0.0 M High 70F.
3/9/2020 7:00 AM 0.04 0.0 M M M
3/10/2020 7:00 AM 0.00 0.0 M 0.0 M
3/11/2020 7:00 AM 0.00 0.0 M 0.0 M
3/12/2020 7:00 AM 0.00 0.0 M 0.0 M
3/13/2020 7:00 AM T 0.0 M 0.0 M Some rain overnight which either came down as freezing rain or froze on surfaces after falling.
3/14/2020 7:00 AM 0.03 T M 0.0 M
3/15/2020 7:00 AM T T M 0.0 M
3/16/2020 7:00 AM 0.00 0.0 M 0.0 M
3/17/2020 7:00 AM 0.03 0.0 M 0.0 M
3/18/2020 7:00 AM 0.00 0.0 M 0.0 M
3/19/2020 7:00 AM 0.19 M M M M
3/20/2020 7:00 AM 1.06 1.7 M 1.0 M 0.34" fell as rain before changing to snow at 9:30am. After that a wet snow fell, often sloppy and other times real snowflakes with 1.7" accumulation on snowboard by with 0.72" water content at obs time. Snow ended some time after dark or overnight.
3/21/2020 7:00 AM 0.03 0.2 M 1.0 M Midafternoon snow.
3/22/2020 7:00 AM 0.00 0.0 M T M
3/23/2020 7:00 AM T M M 0.0 M
3/24/2020 7:00 AM T 0.0 M 0.0 M A few sprinkles.
3/25/2020 7:00 AM 0.00 0.0 M 0.0 M
3/26/2020 7:00 AM 0.00 0.0 M 0.0 M
3/27/2020 7:00 AM 0.00 0.0 M 0.0 M
3/28/2020 7:00 AM 0.12 T M 0.0 M Rain/snow mix throughout the day and into the evening.
3/29/2020 7:00 AM 0.00 0.0 M 0.0 M
3/30/2020 7:00 AM 0.00 0.0 M 0.0 M
3/31/2020 7:00 AM T M M 0.0 M
4/1/2020 7:00 AM 0.00 0.0 M 0.0 M
4/2/2020 7:00 AM 0.03 0.0 M 0.0 M Some light, drizzly rain overnight that was freezing to the gauge.
4/3/2020 7:00 AM 0.12 1.4 M 1.0 M
4/4/2020 7:00 AM T M M 0.0 M
4/5/2020 7:00 AM 0.00 0.0 M 0.0 M
4/6/2020 7:00 AM 0.00 0.0 M 0.0 M
4/7/2020 7:00 AM 0.00 0.0 M M M
4/8/2020 7:00 AM 0.00 0.0 M M M
4/9/2020 7:00 AM 0.00 0.0 M M M
4/10/2020 7:00 AM 0.00 0.0 M 0.0 M
4/11/2020 7:00 AM 0.00 0.0 M M M
4/12/2020 7:00 AM 0.32 5.4 M 5.0 M
4/13/2020 7:00 AM 0.29 6.1 M 9.0 M Snowfall off and on throughout the day and night. 7pm reading: 2.7" snow with 0.15" water content. By 7am 3.4" snow additional with 0.14" water. Lots of melting and compression due to ground temperature. Sometimes snowfall was very light and fluffy. High temp in the upper 20s, overnight low 16F.
4/14/2020 7:00 AM 0.09 2.2 M 8.0 M Snow ending by late afternoon. Overnight low 8F.
4/15/2020 7:00 AM 0.00 0.0 M 2.0 M
4/16/2020 7:00 AM 1.10 10.8 1.13 9.5 M Wet, heavy snow continues. Low temp this morning was 26F.
4/17/2020 7:00 AM 0.27 3.2 M 9.0 M Snowfall all day ending by 7pm. Some flurries after that but no additional accumulation. Daytime high around 30F, overnight low 9F.
4/18/2020 7:00 AM 0.00 0.0 M 4.5 M
4/19/2020 7:00 AM 0.00 0.0 M 3.0 M
4/20/2020 7:00 AM 0.00 0.0 M T M
4/21/2020 7:00 AM 0.00 0.0 M 0.0 M
4/22/2020 7:00 AM 0.00 0.0 M 0.0 M
4/23/2020 7:00 AM T M M 0.0 M A couple of brief, light showers middy and in the afternoon.
4/24/2020 7:00 AM 0.00 0.0 M M M
4/25/2020 7:00 AM 0.04 M M M M Intermittent showers in the afternoon and evening
4/26/2020 7:00 AM 0.00 0.0 M M M
4/27/2020 7:00 AM 0.00 0.0 M M M
4/28/2020 7:00 AM 0.00 0.0 M M M
4/29/2020 7:00 AM 0.00 0.0 M M M
4/30/2020 7:00 AM 0.00 0.0 M M M
5/1/2020 7:00 AM 0.00 0.0 M M M
5/2/2020 7:00 AM T M M M M
5/3/2020 7:00 AM 0.18 M M M M
5/4/2020 7:00 AM 0.21 M M M M Intermittent showers during the day. Thunder and some lightening with showers after dark. Some small hail accompanied a shower between 10-10:30pm. Rain overnight.
5/5/2020 7:00 AM 0.00 0.0 M M M
5/6/2020 7:00 AM 0.00 0.0 M M M
5/7/2020 7:00 AM 0.00 0.0 M M M
5/8/2020 7:00 AM T M M M M High winds in the afternoon and evening. Some light drizzle overnight. Low 35F.
5/9/2020 7:00 AM 0.00 0.0 M M M
5/10/2020 7:00 AM 0.00 0.0 M M M
5/11/2020 7:00 AM 0.00 0.0 M M M
5/12/2020 7:00 AM 0.16 M M M M Overcast and showers off and on throughout the day.
5/13/2020 7:00 AM T M M M M
5/14/2020 7:00 AM 0.01 M M M M Overnight showers.
5/15/2020 7:00 AM 0.25 M M M M 1:35-1:50pm storm producing 0.20" with pea sized hard, white hail (1:47-1:50pm). Submitted hail report. Otherwise intermittent showers.
5/16/2020 7:00 AM 0.06 M M M M
5/17/2020 7:00 AM 0.00 0.0 M M M
5/18/2020 7:00 AM 0.00 0.0 M M M
5/19/2020 7:00 AM 0.00 0.0 M M M
5/20/2020 7:00 AM T M M M M Some light raindrops around 9:30 or 10pm.
5/21/2020 7:00 AM 0.00 0.0 M M M
5/22/2020 7:00 AM 0.00 0.0 M M M
5/23/2020 7:00 AM 0.00 0.0 M M M
5/24/2020 7:00 AM T M M M M
5/25/2020 7:00 AM 0.67 M M M M
5/26/2020 7:00 AM T M M M M
5/27/2020 7:00 AM 0.00 0.0 M M M
5/28/2020 7:00 AM 0.01 M M M M
5/29/2020 7:00 AM 0.00 0.0 M M M
5/30/2020 7:00 AM T M M M M
5/31/2020 7:00 AM 0.03 M M M M
6/1/2020 7:00 AM 0.04 M M M M
6/2/2020 7:00 AM 0.00 0.0 M M M
6/3/2020 7:00 AM T M M M M Mid afternoon raindrops.
6/4/2020 7:00 AM T M M M M
6/5/2020 7:00 AM T 0.0 M M M
6/6/2020 7:00 AM T M M M M
6/7/2020 7:00 AM 0.28 M M M M Rain from about 3pm to 3:45pm. Very heavy rain fell 3:15 to 3:28pm producing 0.24". By 3:45pm total of 0.28". At times the rain was coming in very heavily and at an angle with wind from the west. Gauge catch could have been affected.
6/8/2020 7:00 AM 0.00 0.0 M M M
6/9/2020 7:00 AM 0.12 M M M M
6/10/2020 7:00 AM 0.00 0.0 M M M
6/11/2020 7:00 AM 0.00 0.0 M M M
6/12/2020 7:00 AM 0.00 0.0 M M M
6/13/2020 7:00 AM 0.00 0.0 M M M
6/14/2020 7:00 AM T M M M M
6/15/2020 7:00 AM 0.00 0.0 M M M
6/16/2020 7:00 AM 0.00 0.0 M M M
6/17/2020 7:00 AM 0.00 0.0 M M M
6/18/2020 7:00 AM 0.00 0.0 M M M
6/19/2020 7:00 AM 0.43 M M M M
6/20/2020 7:00 AM 0.28 M M M M
6/21/2020 7:00 AM 0.00 0.0 M M M
6/22/2020 7:00 AM 0.07 M M M M
6/23/2020 7:00 AM T M M M M
6/24/2020 7:00 AM T M M M M
6/25/2020 7:00 AM T M M M M
6/26/2020 7:00 AM 0.07 M M M M Afternoon showers.
6/27/2020 7:00 AM 0.00 0.0 M M M
6/28/2020 7:00 AM T M M M M
6/29/2020 7:00 AM 0.07 M M M M
6/30/2020 7:00 AM 0.00 0.0 M M M
7/1/2020 7:00 AM T M M M M
7/2/2020 7:00 AM 0.00 0.0 M M M
7/3/2020 7:00 AM 0.00 0.0 M M M
7/4/2020 7:00 AM 0.00 0.0 M M M
7/5/2020 7:00 AM 0.00 0.0 M M M
7/6/2020 7:00 AM T M M M M
7/7/2020 7:00 AM T M M M M
7/8/2020 7:00 AM 0.00 0.0 M M M
7/9/2020 7:00 AM 0.00 0.0 M M M
7/10/2020 7:00 AM 0.00 0.0 M M M
7/11/2020 7:00 AM 0.00 0.0 M M M
7/12/2020 7:00 AM 0.00 0.0 M M M
7/13/2020 7:00 AM 0.00 0.0 M M M
7/14/2020 7:00 AM T M M M M
7/15/2020 7:00 AM 0.01 M M M M
7/16/2020 7:00 AM 0.00 0.0 M M M
7/17/2020 7:00 AM T M M M M
7/18/2020 7:00 AM T M M M M
7/19/2020 7:00 AM 0.02 M M M M
7/20/2020 7:00 AM 0.03 M M M M
7/21/2020 7:00 AM T M M M M
7/22/2020 7:00 AM T M M M M
7/23/2020 7:00 AM 0.03 M M M M
7/24/2020 7:00 AM 0.00 0.0 M M M
7/25/2020 7:00 AM 0.03 M M M M
7/26/2020 7:00 AM 0.05 M M M M
7/27/2020 7:00 AM 0.04 M M M M
7/28/2020 7:00 AM 0.00 0.0 M M M
7/29/2020 7:00 AM 0.68 M M M M Some sprinkles in the hour prior, but rain began in earnest at 2:12pm. Measured rain at two 15 minute intervals: 0.28" by 2:27pm. 0.62" by 2:42pm.
7/30/2020 7:00 AM 0.00 0.0 M M M
7/31/2020 7:00 AM 0.59 M M M M Sudden, heavy rain at 4:05pm producing 0.12" by 4:20pm. Another storm at approximately 4:45, yielding 0.38" more. 9pm reading was 0.58" total. Overnight some minor rain.
8/1/2020 7:00 AM 0.32 M M M M Rain beginning approx 5pm, then heavy rain at 5:13 with small hail. Largest 3/8", mostly 1/4". Hailstones sparse as the storm went on. Hail ends at 5:22 pm and rain ended shortly after. Accum 0.24". Hail report submitted. Late evening and into the night some showers producing 0.08" more.
8/2/2020 7:00 AM 0.01 M M M M
8/3/2020 7:00 AM 0.02 M M M M
8/4/2020 7:00 AM 0.03 M M M M
8/5/2020 7:00 AM 0.00 0.0 M M M
8/6/2020 7:00 AM T M M M M
8/7/2020 7:00 AM 0.00 0.0 M M M
8/8/2020 7:00 AM 0.00 0.0 M M M
8/9/2020 7:00 AM 0.00 0.0 M M M
8/10/2020 7:00 AM 0.00 0.0 M M M
8/11/2020 7:00 AM 0.00 0.0 M M M
8/12/2020 7:00 AM 0.00 0.0 M M M
8/13/2020 7:00 AM 0.00 0.0 M M M
8/14/2020 7:00 AM 0.00 0.0 M M M
8/15/2020 7:00 AM 0.00 0.0 M M M
8/16/2020 7:00 AM 0.00 0.0 M M M
8/17/2020 7:00 AM 0.00 0.0 M M M
8/18/2020 7:00 AM 0.00 0.0 M M M
8/19/2020 7:00 AM T M M M M Some sprinkles at 5pm.
8/20/2020 7:00 AM 0.03 M M M M Afternoon shower.
8/21/2020 7:00 AM 0.02 M M M M
8/22/2020 7:00 AM 0.00 0.0 M M M
8/23/2020 7:00 AM 0.00 0.0 M M M
8/24/2020 7:00 AM 0.00 0.0 M M M
8/25/2020 7:00 AM 0.00 0.0 M M M Continued hot and smoky. In the evening reluctant to cool down below 80F until much later than usual. Low this morning 63F.
8/26/2020 7:00 AM 0.00 0.0 M M M
8/27/2020 7:00 AM T M M M M
8/28/2020 7:00 AM 0.01 M M M M Mid-afternoon shower.
8/29/2020 7:00 AM 0.20 M M M M
8/30/2020 7:00 AM T M M M M
8/31/2020 7:00 AM 0.00 0.0 M M M
9/1/2020 7:00 AM 0.04 M M M M Rain after 7pm off and on into the night.
9/2/2020 7:00 AM 0.00 0.0 M M M
9/3/2020 7:00 AM 0.00 0.0 M M M
9/4/2020 7:00 AM 0.00 0.0 M M M
9/5/2020 7:00 AM 0.00 0.0 M M M
9/6/2020 7:00 AM 0.00 0.0 M M M High of 97. Low this morning 60.
9/7/2020 7:00 AM 0.00 0.0 M M M
9/8/2020 7:00 AM 0.16 0.0 M 0.0 M High 87F. Low 35F. Light rain beginning before midnight and continuing at observation time.
9/9/2020 7:00 AM 0.57 2.7 M 2.0 M 0.11" fell as rain, changing to snow approximately 2pm. 2.7" snow contained 0.46" water. High 36F. Low this morning 31F. Not many broken branches but limbs weighted and hanging very low this morning.
9/10/2020 7:00 AM 0.06 T M T M Light snow ending mid morning. High 41F. Low this morning 36F.
9/11/2020 7:00 AM 0.06 M M 0.0 M A little rain overnight.
9/12/2020 7:00 AM 0.00 0.0 M M M
9/13/2020 7:00 AM 0.00 0.0 M M M
9/14/2020 7:00 AM 0.00 0.0 M M M
9/15/2020 7:00 AM 0.00 0.0 M M M
9/16/2020 7:00 AM 0.00 0.0 M M M
9/17/2020 7:00 AM 0.00 0.0 M M M
9/18/2020 7:00 AM 0.00 0.0 M M M
9/19/2020 7:00 AM 0.00 0.0 M M M
9/20/2020 7:00 AM 0.00 0.0 M M M
9/21/2020 7:00 AM 0.00 0.0 M M M
9/22/2020 7:00 AM 0.00 0.0 M M M
9/23/2020 7:00 AM T M M M M
9/24/2020 7:00 AM 0.00 0.0 M M M
9/25/2020 7:00 AM 0.00 0.0 M M M
9/26/2020 7:00 AM 0.00 0.0 M M M
9/27/2020 7:00 AM 0.00 0.0 M M M
9/28/2020 7:00 AM T M M M M Cool day. High of ~60F. Overnight 34F.
9/29/2020 7:00 AM 0.00 0.0 M M M
9/30/2020 7:00 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
5/14/2020 1:44 PM 3/8" 1/4" Pea Size Rice Hard|White Ice 4 1min no damage Continuous True After rain
7/31/2020 5:13 PM Hail stones were few in number, more at first, then as the rain continued just one every few seconds. During this cloudburst also 0.24" of rain fell. 3/8" 1/4" Pea Size 1/4" Pea Size Hard|White Ice 8 1min no damage Continuous True After rain Same time as smaller hail 10-20