Station Overview Station Location
Station Number CO-BO-220 Latitude 40.0591
Station Name Boulder 4.7 ENE Longitude -105.1717
County Boulder Elevation (ft) 5272



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 18 1.08 1.67 29 1.67 29 0.00 0 0 11 3 6.7 4 3
Nov 18 0.83 0.80 28 0.80 28 0.00 0 0 6 2 9.5 6 7
Dec 18 0.67 0.06 27 0.06 27 0.00 0 0 3 2 0.6 2 0
Jan 19 0.47 1.54 31 1.54 31 0.00 0 0 9 1 13.0 8 14
Feb 19 0.53 0.47 28 0.47 28 0.00 0 0 7 3 6.3 7 8
March 19 1.63 2.03 30 2.03 30 0.00 0 0 8 1 11.9 5 10
April 19 1.97 1.54 27 1.54 27 0.00 0 0 4 5 7.6 3 4
May 19 2.23 2.64 28 2.64 28 0.00 0 0 15 4 4.7 2 2
June 19 1.80 2.45 27 2.45 27 0.00 0 0 11 5 0.0 0 0
July 19 1.51 2.38 29 1.55 26 0.83 3 1 9 6 0.0 0 0
Aug 19 1.49 0.62 28 0.62 28 0.00 0 0 4 6 0.0 0 0
Sept 19 1.46 0.58 25 0.15 13 0.43 12 1 1 2 0.0 0 0
Water Year Totals: 15.67" 16.78" 337 days 15.52" 322 1.26" 15 days 2 88 days 40 days 60.3" 37 days 48 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
10/1/2018 T
10/2/2018 T
10/3/2018 0.00
10/4/2018 0.02
10/5/2018 0.06
10/6/2018 0.16
10/7/2018 0.01
10/8/2018 0.31
10/9/2018 0.11
10/10/2018 0.11
10/11/2018 0.10
10/12/2018
10/13/2018 0.00
10/14/2018 0.54
10/15/2018 0.05
10/16/2018 0.00
10/17/2018 0.00
10/18/2018 0.00
10/19/2018 0.00
10/20/2018 0.00
10/21/2018 0.00
10/22/2018 0.00
10/23/2018 0.00
10/24/2018 T
10/25/2018 0.00
10/26/2018 0.00
10/27/2018 0.00
10/28/2018
10/29/2018 0.00
10/30/2018 0.00
10/31/2018 0.20
11/1/2018 0.00
11/2/2018 0.00
11/3/2018 0.04
11/4/2018 T
11/5/2018 0.00
11/6/2018 0.00
11/7/2018 0.00
11/8/2018 0.00
11/9/2018 0.00
11/10/2018 0.00
11/11/2018 0.29
11/12/2018 0.20
11/13/2018 0.01
11/14/2018 0.00
11/15/2018 0.00
11/16/2018 0.00
11/17/2018 0.07
11/18/2018 0.19
11/19/2018 0.00
11/20/2018 0.00
11/21/2018 0.00
11/22/2018 0.00
11/23/2018 0.00
11/24/2018 0.00
11/25/2018 T
11/26/2018 0.00
11/27/2018 0.00
11/28/2018 0.00
11/29/2018
11/30/2018
12/1/2018 0.01
12/2/2018
12/3/2018 0.03
12/4/2018 0.00
12/5/2018 0.00
12/6/2018 0.02
12/7/2018 T
12/8/2018 0.00
12/9/2018 0.00
12/10/2018 0.00
12/11/2018 0.00
12/12/2018 0.00
12/13/2018 0.00
12/14/2018 0.00
12/15/2018 0.00
12/16/2018 0.00
12/17/2018 0.00
12/18/2018 0.00
12/19/2018 0.00
12/20/2018 0.00
12/21/2018 0.00
12/22/2018 0.00
12/23/2018
12/24/2018 0.00
12/25/2018 0.00
12/26/2018
12/27/2018 0.00
12/28/2018
12/29/2018 T
12/30/2018 0.00
12/31/2018 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2019 0.12
1/2/2019 0.00
1/3/2019 0.00
1/4/2019 0.00
1/5/2019 0.00
1/6/2019 0.00
1/7/2019 0.00
1/8/2019 0.00
1/9/2019 0.00
1/10/2019 0.00
1/11/2019 0.07
1/12/2019 0.57
1/13/2019 T
1/14/2019 0.00
1/15/2019 0.00
1/16/2019 0.00
1/17/2019 0.00
1/18/2019 0.00
1/19/2019 0.24
1/20/2019 0.00
1/21/2019 0.00
1/22/2019 0.01
1/23/2019 0.00
1/24/2019 0.07
1/25/2019 0.13
1/26/2019 0.00
1/27/2019 0.00
1/28/2019 0.26
1/29/2019 0.07
1/30/2019 0.00
1/31/2019 0.00
2/1/2019 0.00
2/2/2019 0.00
2/3/2019 0.00
2/4/2019 0.00
2/5/2019 0.00
2/6/2019 0.00
2/7/2019 0.27
2/8/2019 0.00
2/9/2019 0.00
2/10/2019 0.00
2/11/2019 0.00
2/12/2019 0.00
2/13/2019 0.00
2/14/2019 0.00
2/15/2019 T
2/16/2019 0.00
2/17/2019 0.01
2/18/2019 0.01
2/19/2019 0.01
2/20/2019 0.02
2/21/2019 0.00
2/22/2019 0.01
2/23/2019 0.14
2/24/2019 0.00
2/25/2019 0.00
2/26/2019 0.00
2/27/2019 T
2/28/2019 T
3/1/2019 0.00
3/2/2019 0.12
3/3/2019 0.39
3/4/2019 0.06
3/5/2019 0.00
3/6/2019 0.00
3/7/2019 0.05
3/8/2019 0.00
3/9/2019 0.00
3/10/2019
3/11/2019 0.00
3/12/2019 0.00
3/13/2019 0.27
3/14/2019 0.76
3/15/2019 0.00
3/16/2019 0.00
3/17/2019 0.00
3/18/2019 0.00
3/19/2019 0.00
3/20/2019 0.00
3/21/2019 0.00
3/22/2019 0.00
3/23/2019 T
3/24/2019 0.00
3/25/2019 0.00
3/26/2019 0.00
3/27/2019 0.00
3/28/2019 0.00
3/29/2019 0.05
3/30/2019 0.33
3/31/2019 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2019 0.00
4/2/2019 0.00
4/3/2019 T
4/4/2019 0.00
4/5/2019 0.00
4/6/2019 0.00
4/7/2019 T
4/8/2019 0.00
4/9/2019 0.00
4/10/2019 0.00
4/11/2019 0.70
4/12/2019 0.00
4/13/2019 0.08
4/14/2019 T
4/15/2019 0.00
4/16/2019 0.00
4/17/2019 T
4/18/2019 0.00
4/19/2019
4/20/2019 0.00
4/21/2019 0.00
4/22/2019 0.35
4/23/2019 T
4/24/2019 0.00
4/25/2019 0.00
4/26/2019
4/27/2019 0.00
4/28/2019
4/29/2019 0.00
4/30/2019 0.41
5/1/2019 0.14
5/2/2019 0.03
5/3/2019 0.00
5/4/2019 0.00
5/5/2019 0.00
5/6/2019 0.00
5/7/2019 0.11
5/8/2019 0.18
5/9/2019 0.49
5/10/2019 0.19
5/11/2019 0.00
5/12/2019 T
5/13/2019 0.00
5/14/2019
5/15/2019 T
5/16/2019 0.00
5/17/2019 T
5/18/2019 0.05
5/19/2019
5/20/2019 0.08
5/21/2019 0.84
5/22/2019 0.01
5/23/2019 0.15
5/24/2019 0.06
5/25/2019 0.00
5/26/2019
5/27/2019 0.03
5/28/2019 0.06
5/29/2019 0.22
5/30/2019 0.00
5/31/2019 T
6/1/2019
6/2/2019 T
6/3/2019 0.00
6/4/2019 0.03
6/5/2019 T
6/6/2019 0.30
6/7/2019 0.00
6/8/2019 T
6/9/2019 0.09
6/10/2019 0.00
6/11/2019 0.00
6/12/2019
6/13/2019
6/14/2019 0.02
6/15/2019 T
6/16/2019 0.00
6/17/2019 0.05
6/18/2019 0.52
6/19/2019 0.03
6/20/2019 0.00
6/21/2019 0.01
6/22/2019 1.14
6/23/2019 0.25
6/24/2019 0.01
6/25/2019 0.00
6/26/2019 T
6/27/2019 0.00
6/28/2019 0.00
6/29/2019 0.00
6/30/2019 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2019 0.05
7/2/2019 0.25
7/3/2019 0.00
7/4/2019 T
7/5/2019 0.25
7/6/2019 0.76
7/7/2019 T
7/8/2019 0.15
7/9/2019 T
7/10/2019 0.00
7/11/2019 0.00
7/12/2019 T
7/13/2019 0.00
7/14/2019 0.01
7/15/2019 T
7/16/2019 0.03
7/17/2019 0.00
7/18/2019 0.00
7/19/2019 0.00
7/20/2019 **
7/21/2019 **
7/22/2019 0.83
7/23/2019 0.01
7/24/2019 0.00
7/25/2019 0.04
7/26/2019 0.00
7/27/2019 0.00
7/28/2019 T
7/29/2019 0.00
7/30/2019
7/31/2019
8/1/2019 0.02
8/2/2019 0.05
8/3/2019 0.00
8/4/2019
8/5/2019 T
8/6/2019 T
8/7/2019 0.00
8/8/2019 0.50
8/9/2019 0.05
8/10/2019 T
8/11/2019 0.00
8/12/2019 T
8/13/2019 0.00
8/14/2019 0.00
8/15/2019 0.00
8/16/2019 0.00
8/17/2019 T
8/18/2019 0.00
8/19/2019 0.00
8/20/2019
8/21/2019 0.00
8/22/2019 T
8/23/2019
8/24/2019 0.00
8/25/2019 0.00
8/26/2019 0.00
8/27/2019 0.00
8/28/2019 0.00
8/29/2019 0.00
8/30/2019 0.00
8/31/2019 0.00
9/1/2019 0.00
9/2/2019 0.00
9/3/2019 0.00
9/4/2019 0.00
9/5/2019 0.00
9/6/2019 **
9/7/2019 **
9/8/2019 **
9/9/2019 **
9/10/2019 **
9/11/2019 **
9/12/2019 **
9/13/2019 **
9/14/2019 **
9/15/2019 **
9/16/2019 **
9/17/2019 0.43
9/18/2019 0.00
9/19/2019 0.00
9/20/2019 0.00
9/21/2019 0.00
9/22/2019 T
9/23/2019
9/24/2019
9/25/2019
9/26/2019 0.00
9/27/2019
9/28/2019 0.15
9/29/2019 T
9/30/2019



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2018 7:00 AM T M M M M very light trace
10/2/2018 7:00 AM T M M M M
10/3/2018 7:00 AM 0.00 0.0 M M M
10/4/2018 7:00 AM 0.02 M M M M Front came in about 6:30 PM; a trace of rain then, measurable in the night.
10/5/2018 7:00 AM 0.06 M M M M Thunder just before 1:30 PM, very dark clouds, not much rain.
10/6/2018 7:00 AM 0.16 M M M M
10/7/2018 7:00 AM 0.01 M M M M
10/8/2018 7:00 AM 0.31 0.0 0.00 0.0 0.00 Light to very light rain, never more than .01 in a ten minute period, from about 4 PM until about 6 AM
10/9/2018 7:00 AM 0.11 0.0 0.00 0.0 0.00 Drizzle for most of the 24 hours.
10/10/2018 7:00 AM 0.11 0.1 0.05 T M snowboard accumulation was slush. Some drizzle on and of through the day, changed to snow overnight, still coming down lightly at observation time
10/11/2018 7:00 AM 0.10 0.2 M 0.0 0.00 Snow through most of the day, but no snow on the ground by the end of the day or at observation time. Maximum snow depth about 9 AM
10/13/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/14/2018 7:00 AM 0.54 6.1 0.49 0.6 M Precip. had already begun at 9 PM. Still snowing lightly at observation time.
10/15/2018 7:00 AM 0.05 M M 4.5 0.49 Snow on board melted before getting measured
10/16/2018 7:00 AM 0.00 0.0 0.00 1.0 0.39 Snow is becoming patchy in sunny areas
10/17/2018 7:00 AM 0.00 0.0 0.00 T M
10/18/2018 7:00 AM 0.00 0.0 0.00 T T
10/19/2018 7:00 AM 0.00 M M M M
10/20/2018 7:00 AM 0.00 M M M M
10/21/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/22/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/23/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/24/2018 7:00 AM T 0.0 0.00 0.0 0.00
10/25/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/26/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/27/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/29/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/30/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/31/2018 7:00 AM 0.20 0.3 0.07 T M Snowboard contained frozen slush
11/1/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/2/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/3/2018 7:00 AM 0.04 0.0 0.00 0.0 0.00 Strong wind with brief rainfall
11/4/2018 7:00 AM T 0.0 0.00 0.0 0.00
11/5/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/6/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/7/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/8/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/9/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/10/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/11/2018 7:00 AM 0.29 4.8 0.29 5.0 M
11/12/2018 7:00 AM 0.20 3.1 0.24 7.1 M Snowing all day, still snowing lightly this morning. Wind at times.
11/13/2018 7:00 AM 0.01 0.2 M 3.5 M Blue skies by 8:30 AM. Snow melting rapidly in sunny areas, very little in shade. Overnight low 14.5 F
11/14/2018 7:00 AM 0.00 0.0 0.00 1.0 M clear of snow in very sunny areas; 1 inch is estimated average
11/15/2018 7:00 AM 0.00 0.0 0.00 0.5 M
11/16/2018 7:00 AM 0.00 0.0 0.00 T M About an inch left in shady areas
11/17/2018 7:00 AM 0.07 0.1 M T M
11/18/2018 7:00 AM 0.19 1.1 0.14 2.0 M Snow lasted past darkness.
11/19/2018 7:00 AM 0.00 0.0 0.00 0.5 M
11/20/2018 7:00 AM 0.00 0.0 0.00 T M
11/21/2018 7:00 AM 0.00 0.0 0.00 T M
11/22/2018 7:00 AM 0.00 0.0 0.00 T M
11/23/2018 7:00 AM 0.00 0.0 0.00 T M
11/24/2018 7:00 AM 0.00 0.0 0.00 T M
11/25/2018 7:00 AM T 0.2 M T M Nearly half a hundredth in the cylinder. .2 inches of snow observed shortly after 9 PM, blown to patchy by morning.
11/26/2018 7:00 AM 0.00 0.0 0.00 T M Still small patches of frozen in snow in the shady areas.
11/27/2018 7:00 AM 0.00 0.0 0.00 T M
11/28/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00 Chinook wind last evening and night kept temperatures above 45 degrees, finally melting the snow.
12/1/2018 7:00 AM 0.01 0.0 0.00 0.0 0.00 Rain; no snow observed.
12/3/2018 7:00 AM 0.03 0.4 M M M Observed to be snowing with a skiff of accumulation at 8:45 PM
12/4/2018 7:00 AM 0.00 0.0 M T M
12/5/2018 7:00 AM 0.00 0.0 0.00 T M
12/6/2018 7:00 AM 0.02 0.2 M T M
12/7/2018 7:00 AM T T M T M Flurries continued through the morning.
12/8/2018 7:00 AM 0.00 0.0 0.00 T M
12/9/2018 7:00 AM 0.00 0.0 0.00 T M
12/10/2018 7:00 AM 0.00 0.0 0.00 T M
12/11/2018 7:00 AM 0.00 0.0 0.00 0.0 M
12/12/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/13/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/14/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/15/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00 Overnight low plateaued about 30 degrees, started rising steeply about 6 AM to about 40 by observation time--only light wind.
12/16/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/17/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/18/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/19/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/20/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/21/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/22/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/24/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/25/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/27/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00 The air smelled/felt like it might snow in the late afternoon, but no flakes observed.
12/29/2018 7:00 AM T T T 0.0 0.00 flurries for a couple hours midday. A few landed.
12/30/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/31/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/1/2019 7:00 AM 0.12 1.7 0.12 1.5 M Beginning time is within 15 minutes; continued to snow on and off until shortly after the wind changed direction, about 1 PM
1/2/2019 7:00 AM 0.00 0.0 0.00 1.5 M
1/3/2019 7:00 AM 0.00 0.0 0.00 0.5 M
1/4/2019 7:00 AM 0.00 0.0 0.00 T M
1/5/2019 7:00 AM 0.00 0.0 0.00 T M
1/6/2019 7:00 AM 0.00 0.0 0.00 T M
1/7/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00 Did not freeze overnight.
1/8/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/9/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/10/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/11/2019 7:00 AM 0.07 0.0 0.00 0.0 0.00 Rain! 35 degrees at 7 AM
1/12/2019 7:00 AM 0.57 2.3 M 1.0 M Rain changing to snow about 7:50 AM; accumulation noted at 8:10 AM. 1.1 inch measured about 1 PM when snow was changing back to rain, and additional 1.2 at 7 AM
1/13/2019 7:00 AM T T T 1.0 M Morning light snow, a little more than flurries, without further accumulation. Streets, sidewalks, and roofs are mostly clear, but grass and wood surfaces not much changed.
1/14/2019 7:00 AM 0.00 0.0 0.00 0.5 M
1/15/2019 7:00 AM 0.00 0.0 0.00 T M
1/16/2019 7:00 AM 0.00 0.0 0.00 T M
1/17/2019 7:00 AM 0.00 0.0 0.00 T M
1/18/2019 7:00 AM 0.00 0.0 0.00 T M
1/19/2019 7:00 AM 0.24 0.5 M 0.5 M Maximum snow depth estimated as between .5 and .8 about 1 PM, when melting began to exceed falling. Started as rain, changing to snow gradually starting about 9:30 AM
1/20/2019 7:00 AM 0.00 0.0 0.00 T M
1/21/2019 7:00 AM 0.00 0.0 0.00 T M
1/22/2019 7:00 AM 0.01 0.1 0.01 T M
1/23/2019 7:00 AM 0.00 0.0 0.00 T M
1/24/2019 7:00 AM 0.07 0.7 M 0.5 M
1/25/2019 7:00 AM 0.13 2.4 0.12 3.0 M snowfall measurements taken about 12 noon, after the sun came out.
1/26/2019 7:00 AM 0.00 0.0 0.00 1.0 M
1/27/2019 7:00 AM 0.00 0.0 0.00 0.5 M Snow on the ground: Still up to 2 inches in shady areas; gone from areas with full sun and south facing hardscape.
1/28/2019 7:00 AM 0.26 3.6 0.27 4.0 M Snow had not apparently started at 3 AM; a small amount had fallen by 5 AM. Patchy snow still left from previous snowfall.
1/29/2019 7:00 AM 0.07 1.7 0.09 M M Snowboard measurement and core taken about noon, when the sun came out and the snow stopped
1/30/2019 7:00 AM 0.00 0.0 0.00 2.0 M minimum recorded temperature 6.8 degrees F at 6:53 AM on Vantage VUE
1/31/2019 7:00 AM 0.00 0.0 0.00 1.5 M
2/1/2019 7:00 AM 0.00 0.0 0.00 0.5 M
2/2/2019 7:00 AM 0.00 0.0 M T M
2/3/2019 7:00 AM 0.00 0.0 0.00 T M
2/4/2019 7:00 AM 0.00 M M T M
2/5/2019 7:00 AM 0.00 0.0 0.00 T M
2/6/2019 7:00 AM 0.00 0.0 0.00 T M trees, cars, and roofs are white with frost.
2/7/2019 7:00 AM 0.27 3.5 M 3.5 M overnight low -5.4 at 6:14 this morning according to VUE. It was not snowing at 9:00 PM and skies were clearing.
2/8/2019 7:00 AM 0.00 0.0 0.00 2.5 0.24 Overnight low -4.6 at 2:54 AM by VUE. Some sun and melting yesterday on plowed/shovelled surfaces, but high was less fractionally above 10 degrees.
2/9/2019 7:00 AM 0.00 0.0 0.00 1.5 M
2/10/2019 7:00 AM 0.00 0.0 0.00 1.5 M
2/11/2019 7:00 AM 0.00 0.0 0.00 1.0 M
2/12/2019 7:00 AM 0.00 0.0 0.00 1.0 M low clouds/fog through the morning, clear and windy through the afternoon and night. Surprisingly little loss of snow.
2/13/2019 7:00 AM 0.00 0.0 0.00 T M
2/14/2019 7:00 AM 0.00 0.0 0.00 T T Small patches of snow left in areas protected from sun and wind. Windy.
2/15/2019 7:00 AM T T T T T
2/16/2019 7:00 AM 0.00 0.0 0.00 T T Only the most frozen in patches of snow remain.
2/17/2019 7:00 AM 0.01 0.5 M T M snow melted off most surfaces by 4 PM; retained on top of remaining snow patches.
2/18/2019 7:00 AM 0.01 0.3 M T M fine snow falling at observation time. A couple bands of snow each leaving a trace Sunday afternoon.
2/19/2019 7:00 AM 0.01 0.2 M T M Light snow off and on all day and this morning
2/20/2019 7:00 AM 0.02 0.2 M T M
2/21/2019 7:00 AM 0.00 0.0 0.00 T T
2/22/2019 7:00 AM 0.01 0.2 0.01 T M
2/23/2019 7:00 AM 0.14 1.4 M 1.5 M Snowed on and off all day and into the night
2/24/2019 7:00 AM 0.00 0.0 0.00 T M Snow is left in shady, wind protected areas only.
2/25/2019 7:00 AM 0.00 0.0 0.00 T T
2/26/2019 7:00 AM 0.00 0.0 0.00 T T Frosty and foggy, visibility greater than 200 feet less than 1/2 mile
2/27/2019 7:00 AM T T T T T flakes falling at observation time
2/28/2019 7:00 AM T T T T T very light snow in the morning leaving a skiff of new snow.
3/1/2019 7:00 AM 0.00 0.0 0.00 T T Patchy snow in the most wind-protected and shady areas.
3/2/2019 7:00 AM 0.12 1.4 0.10 1.5 0.10 Snowing heavily at observation time
3/3/2019 7:00 AM 0.39 3.9 M 4.0 M
3/4/2019 7:00 AM 0.06 0.6 M 4.5 0.47 Ice crystals suspended in the air visible in the sunlight at observation time.
3/5/2019 7:00 AM 0.00 0.0 0.00 3.5 M
3/6/2019 7:00 AM 0.00 0.0 0.00 3.0 M The snow level is not going at the rate usually expected this time of year, rather, very slowly.
3/7/2019 7:00 AM 0.05 T M 2.0 M Rain, mostly.
3/8/2019 7:00 AM 0.00 0.0 0.00 0.5 M
3/9/2019 7:00 AM 0.00 0.0 0.00 T M There are still large patches of 1-2" deep snow in shady/wind protected areas, but more exposed areas are clear.
3/11/2019 7:00 AM 0.00 0.0 0.00 T T
3/12/2019 7:00 AM 0.00 0.0 0.00 T T Persistent patches of snow/ice are in spots which have both deep shade and wind protection.
3/13/2019 7:00 AM 0.27 0.0 0.00 0.0 0.00 Only rain noted so far. It did melt the last traces of the previous snow. Began very lightly about 10:20 PM, raining harder about 2 AM and from 6:30 AM. Weighed cylinder showed .02 more precip than measured in tube, due to drops splashed on inside of cylinder that could not be poured out.
3/14/2019 7:00 AM 0.76 3.2 M 3.0 M Wind enough to lay snow on the north side of vertical surfaces, but not much drifting. Movement of tree-tops indicated much stronger wind up higher, but we are protected on the south side of Gunbarrel Hill. Hard rain before changing to snow, about 1 inch of snow accumulating by 11 AM. No snow observed after 3 PM
3/15/2019 7:00 AM 0.00 0.0 0.00 1.5 M
3/16/2019 7:00 AM 0.00 0.0 M M M
3/17/2019 7:00 AM 0.00 0.0 M M M
3/18/2019 7:00 AM 0.00 0.0 0.00 T T
3/19/2019 7:00 AM 0.00 0.0 0.00 T T
3/20/2019 7:00 AM 0.00 0.0 0.00 T T
3/21/2019 7:00 AM 0.00 M M M M
3/22/2019 7:00 AM 0.00 0.0 0.00 T T
3/23/2019 7:00 AM T T T 0.0 0.00 A little bouncy corn snow, probably would not have noticed if we hadn't been outside.
3/24/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/25/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/26/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/27/2019 7:00 AM 0.00 M M M M
3/28/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/29/2019 7:00 AM 0.05 0.0 0.00 0.0 0.00 Misting rain just re-starting at 7 AM. VUE recorded first .01 at 11:45 PM.
3/30/2019 7:00 AM 0.33 2.8 0.26 2.5 M Light showers through the day without measurable accumulation. Snow began about 8 PM. Snow did not accumulate on sidewalks, driveways, or streets except small patches. Not snowing at observation time. QC: Edited likely decimal error. Original report was 28 inches of snowfall, probably 2.8 inches. CMG 3/30/2019
3/31/2019 7:00 AM 0.00 0.0 0.00 T T About an inch of snow in most protected spaces only.
4/1/2019 7:00 AM 0.00 0.0 0.00 T T
4/2/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/3/2019 7:00 AM T 0.0 0.00 0.0 0.00
4/4/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/5/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/6/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/7/2019 7:00 AM T 0.0 0.00 0.0 0.00
4/8/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/9/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/10/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00 Temperature dropped about 13 degrees between 2:40 and 3:10 AM. Still clear at 1 AM, cloudy at 5 AM
4/11/2019 7:00 AM 0.70 3.8 0.50 3.0 M Rain starting shortly after 7 AM, changing to snow 11:45, all snow by noon, about .5 inch accumulation by 12:30 PM. Very little wind here on the south side of Gunbarrel Hill. Bands of light snow continued into the night.
4/12/2019 7:00 AM 0.00 0.0 0.00 0.5 M Remaining snow varies between 2 inches in shaded areas to patchy in sunny areas and gone in very sunny areas.
4/13/2019 7:00 AM 0.08 0.5 0.07 0.5 M
4/14/2019 7:00 AM T 0.0 0.00 T M Light flakes without accumulation. Patches about 1/2 inch thick of snow left in the most shady/wind protected areas not under trees.
4/15/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/16/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/17/2019 7:00 AM T 0.0 0.00 0.0 0.00
4/18/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00 Small showers all around, but nothing verified here.
4/20/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/21/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/22/2019 7:00 AM 0.35 0.0 0.00 0.0 0.00 Most of the rain between 4 and 5 PM; additional hundredths and VUE as late as 5 AM.
4/23/2019 7:00 AM T 0.0 0.00 0.0 0.00
4/24/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/25/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/27/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00 VUE reported .01 shortly after midnight, but the cylinder was dry this morning (still using 4 inch only). Cold wind.
4/29/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/30/2019 7:00 AM 0.41 3.3 0.33 3.0 0.29 Approx. 5 inches of snow in the cylinder. Flakes without accumulation from 10:30 until 4 PM, then at least three waves of fairly heavy snow.
5/1/2019 7:00 AM 0.14 0.0 0.00 T T Fell as mostly snow, but did not accumulate during the day. Only patchy snow left by morning
5/2/2019 7:00 AM 0.03 0.0 0.00 0.0 0.00
5/3/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/4/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/5/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/6/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/7/2019 7:00 AM 0.11 0.0 0.00 0.0 0.00 Brief hard shower about 8:45 last night. Rain .11 by weight, although only .09 poured out, because of drops on the interior of the cylinder.
5/8/2019 7:00 AM 0.18 0.0 0.00 0.0 0.00
5/9/2019 7:00 AM 0.49 1.3 0.19 1.0 M Snow did not accumulate on the road or sidewalks. snowing very lightly at 7 AM.
5/10/2019 7:00 AM 0.19 T T 0.0 0.00 Mostly light snow with decreasing snow on the ground through the day.
5/11/2019 7:00 AM 0.00 M M M M
5/12/2019 7:00 AM T 0.0 0.00 0.0 0.00 Three drops in gauge
5/13/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/15/2019 7:00 AM T 0.0 0.00 0.0 0.00
5/16/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/17/2019 7:00 AM T 0.0 0.00 0.0 0.00
5/18/2019 7:00 AM 0.05 0.0 0.00 0.0 0.00
5/20/2019 7:00 AM 0.08 0.0 0.00 0.0 0.00 Started after dark, continued sporadically through the night. Light rain at observation time.
5/21/2019 7:00 AM 0.84 3.4 0.50 3.0 M Some broken tree branches.
5/22/2019 7:00 AM 0.01 0.0 0.00 T M Very light rain/snow on and off all day without accumulation of snow. About a quarter inch of patchy snow left in protected/shady areas.
5/23/2019 7:00 AM 0.15 0.0 0.00 0.0 0.00
5/24/2019 7:00 AM 0.06 0.0 0.00 0.0 0.00
5/25/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/27/2019 7:00 AM 0.03 0.0 0.00 0.0 0.00
5/28/2019 7:00 AM 0.06 0.0 0.00 0.0 0.00
5/29/2019 7:00 AM 0.22 0.0 0.00 0.0 0.00
5/30/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/31/2019 7:00 AM T M M M M
6/2/2019 7:00 AM T M M M M
6/3/2019 7:00 AM 0.00 0.0 M M M Many rainshafts around, but nothing observed here.
6/4/2019 7:00 AM 0.03 M M M M
6/5/2019 7:00 AM T M M M M At least 2 separate sets of trace, but not even one drop in the cylinder.
6/6/2019 7:00 AM 0.30 M M M M
6/7/2019 7:00 AM 0.00 0.0 M M M
6/8/2019 7:00 AM T M M M M
6/9/2019 7:00 AM 0.09 M M M M Hail storm reported, 4:22 PM. There had been a trace of rain earlier. Approx .05 precip noted in cylinder after that, additional .04 spread out between 11 PM and 2:30 AM
6/10/2019 7:00 AM 0.00 0.0 M M M
6/11/2019 7:00 AM 0.00 0.0 M M M
6/14/2019 7:00 AM 0.02 M M M M
6/15/2019 7:00 AM T M M M M A couple drops in the gauge, some small hail probably bounced out.
6/16/2019 7:00 AM 0.00 0.0 M M M
6/17/2019 7:00 AM 0.05 M M M M At least 3 separate showers through the afternoon/evening, none heavy.
6/18/2019 7:00 AM 0.52 M M M M A solid layer of hail, probably mostly bouncing out of the cylinder. So much for the last of the iris and peonies, and the leaves need raking. Major storm moved out by 3:15 PM
6/19/2019 7:00 AM 0.03 M M M M Electronic gauge reports two showers, .01 each about 1:oo PM and 4:30 PM.
6/20/2019 7:00 AM 0.00 0.0 M M M
6/21/2019 7:00 AM 0.01 M M M M
6/22/2019 7:00 AM 1.14 0.0 0.00 0.0 0.00 Three short (under 10 minute) heavy rains about 1 PM, 10:30 PM (with small hail) and 5:00 AM; light rain almost continuous since early evening.
6/23/2019 7:00 AM 0.25 M M M M
6/24/2019 7:00 AM 0.01 M M M M
6/25/2019 7:00 AM 0.00 0.0 M M M
6/26/2019 7:00 AM T M M M M A couple afternoon few drops.
6/27/2019 7:00 AM 0.00 0.0 M M M
6/28/2019 7:00 AM 0.00 0.0 M M M
6/29/2019 7:00 AM 0.00 0.0 M M M
6/30/2019 7:00 AM 0.00 0.0 M M M
7/1/2019 7:00 AM 0.05 M M M M
7/2/2019 7:00 AM 0.25 M M M M Showers starting 5:40 PM with more or less continuous lightning and thunder in the area and periods of light to moderate rain until about 10 PM.
7/3/2019 7:00 AM 0.00 0.0 M M M
7/4/2019 7:00 AM T M M M M At least two short, sparse showers, several drops in the cylinder
7/5/2019 7:00 AM 0.25 M M M M A couple cells; small hail with 7:15 storm and .17", closely followed by a second round and an additional .06 about 7:45. Earlier trace.
7/6/2019 7:00 AM 0.76 M M M M 4 or 5 cells with hail and rain rates above 1 inch per hour at times, some hail stones observed at about 1.5 inches, fortunately mostly smaller.
7/7/2019 7:00 AM T M M M M
7/8/2019 7:00 AM 0.15 M M M M
7/9/2019 7:00 AM T M M M M
7/10/2019 7:00 AM 0.00 0.0 M M M
7/11/2019 7:00 AM 0.00 0.0 M M M
7/12/2019 7:00 AM T M M M M I stepped out of the house at 8:30 PM and noted a very fine trace blowing in. Not enough to moisten the gauge, after a hot, dry day.
7/13/2019 7:00 AM 0.00 0.0 M M M
7/14/2019 7:00 AM 0.01 M M M M
7/15/2019 7:00 AM T M M M M Several times during the afternoon and evening when a few drops made it down, including one in the early afternoon that dropped temperatures about 10 degrees for about an hour (90 to 79)
7/16/2019 7:00 AM 0.03 M M M M
7/17/2019 7:00 AM 0.00 0.0 M M M
7/18/2019 7:00 AM 0.00 0.0 M M M
7/19/2019 7:00 AM 0.00 0.0 M M M
7/23/2019 7:00 AM 0.01 M M M M Rounded up. At least three separate traces.
7/24/2019 7:00 AM 0.00 0.0 M M M
7/25/2019 7:00 AM 0.04 M M M M
7/26/2019 7:00 AM 0.00 0.0 M M M
7/27/2019 7:00 AM 0.00 0.0 M M M
7/28/2019 7:00 AM T M M M M 5 drops in the gauge. At least 3 sets of sprinkles, one about 4 PM producing a brief 10 degree temperature drop.
7/29/2019 7:00 AM 0.00 0.0 M M M
8/1/2019 7:00 AM 0.02 M M M M
8/2/2019 7:00 AM 0.05 M M M M Three light measurable showers plus assorted traces starting mid-afternoon
8/3/2019 7:00 AM 0.00 0.0 M M M
8/5/2019 7:00 AM T M M M M Fine drops I wouldn't have know about if I hadn't been outside.
8/6/2019 7:00 AM T M M M M
8/7/2019 7:00 AM 0.00 0.0 M M M
8/8/2019 7:00 AM 0.50 M M M M Half an inch in sudden heavy shower; by 9:23, unable to hear more rain falling.
8/9/2019 7:00 AM 0.05 M M M M Assorted light showers
8/10/2019 7:00 AM T M M M M
8/11/2019 7:00 AM 0.00 0.0 M M M
8/12/2019 7:00 AM T M M M M
8/13/2019 7:00 AM 0.00 0.0 M M M
8/14/2019 7:00 AM 0.00 0.0 M M M
8/15/2019 7:00 AM 0.00 0.0 M M M
8/16/2019 7:00 AM 0.00 0.0 M M M
8/17/2019 7:00 AM T M M M M
8/18/2019 7:00 AM 0.00 0.0 M M M
8/19/2019 7:00 AM 0.00 0.0 M M M
8/21/2019 7:00 AM 0.00 0.0 M M M
8/22/2019 7:00 AM T M M M M The thunderstorms tried to come several times, but totaled no more than a wet spot in the bottom of the cylinder (6 drops)
8/24/2019 7:00 AM 0.00 0.0 M M M
8/25/2019 7:00 AM 0.00 0.0 M M M
8/26/2019 7:00 AM 0.00 0.0 M M M Dry, hot, and windy
8/27/2019 7:00 AM 0.00 0.0 M M M
8/28/2019 7:00 AM 0.00 0.0 M M M
8/29/2019 7:00 AM 0.00 0.0 M M M
8/30/2019 7:00 AM 0.00 0.0 M M M
8/31/2019 7:00 AM 0.00 0.0 M M M
9/1/2019 7:00 AM 0.00 0.0 M M M
9/2/2019 7:00 AM 0.00 0.0 M M M
9/3/2019 7:00 AM 0.00 0.0 M M M Not only very hot (at least 98 degrees) but also single digit humidity.
9/4/2019 7:00 AM 0.00 0.0 M M M
9/5/2019 7:00 AM 0.00 0.0 M M M
9/18/2019 7:00 AM 0.00 0.0 M M M
9/19/2019 7:00 AM 0.00 0.0 M M M
9/20/2019 7:00 AM 0.00 0.0 M M M
9/21/2019 7:00 AM 0.00 0.0 M M M
9/22/2019 7:00 AM T M M M M
9/26/2019 7:00 AM 0.00 0.0 M M M
9/28/2019 7:00 AM 0.15 M M M M Light rain for several hours
9/29/2019 7:00 AM T 0.0 M M M Foggy this morning



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
7/20/2019 7/22/2019 7:00 AM 3 0.83 0.0 0.00 .79 in gauge when we arrived home about 5:30 PM on 7/21. There was evidence that hail had fallen on the plants most likely to be damaged (water lilies primarily) Additional showers starting with light drops about 6:30 measurable by 8 pm and continuing for a couple hours
9/6/2019 9/17/2019 7:00 AM 12 0.43 0.0 0.00



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
6/8/2019 4:22 PM 1/2" Grape 3/8" 1/4" Pea Size Hard|White Ice 5 1min minor leaf damage Continuous False Before rain Same time as smaller hail 10-20
6/14/2019 1:45 PM 1/4" Pea Size 1/4" Pea Size Rice Hard 3 2min no damage Continuous True After rain Same time as smaller hail 10-20
6/17/2019 2:49 PM Still continuing lightly 5/8" 3/8" 1/4" Pea Size Clear Ice|White Ice 1min shredded leaves Continuous True After rain After smaller hail .5
6/21/2019 10:20 PM Mostly hard rain, but enough hail to make me look out the window, would probably have been 3-6 inches apart on the hail board 1/4" Pea Size 1/4" Pea Size 1/4" Pea Size Hard|White Ice 3 2min minor leaf damage Intermittent True After rain Same time as smaller hail
7/4/2019 7:20 PM hail stones lying 5-6 inches apart on the ground 1/4" Pea Size Rice Rice Mixed|White Ice 5 1min no damage Intermittent True After rain After smaller hail vertical
7/5/2019 7:33 PM Many stones split on impact. Still raining >1 inch per hour at 7:50. Not yet safe to go out and evaluate all damage. 1 1/2" Ping Pong Ball Size 3/4" Penny Size 1/4" Pea Size Hard|Clear Ice|White Ice 15 2min shredded leaves Continuous True After rain After smaller hail 10-20
7/5/2019 8:45 PM 4 minute round from 8:15 PM with smaller hail (to 3/8 inch) 2 minute round at 8:25 with larger hail (mostly 3/8 to 5/8) 5/8" 3/8" Rice Hard 13 1min no damage Intermittent True After rain After smaller hail vertical