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 16 1.07 0.39 31 0.39 31 0.00 0 0 5 0 0.0 0 0
Nov 16 0.86 0.27 30 0.27 30 0.00 0 0 4 3 1.4 1 1
Dec 16 0.50 0.66 31 0.66 31 0.00 0 0 5 7 8.3 4 7
Jan 17 0.48 1.31 31 1.31 31 0.00 0 0 8 2 19.0 8 9
Feb 17 0.56 0.51 28 0.51 28 0.00 0 0 4 5 5.4 2 5
March 17 1.57 0.84 31 0.84 31 0.00 0 0 7 1 0.0 0 0
April 17 2.00 2.24 30 2.24 30 0.00 0 0 12 0 8.1 4 4
May 17 2.48 5.79 31 5.79 31 0.00 0 0 15 3 4.5 1 1
June 17 2.26 0.47 30 0.47 30 0.00 0 0 4 3 0.0 0 0
July 17 1.72 0.67 31 0.67 31 0.00 0 0 8 3 0.0 0 0
Aug 17 1.41 2.13 31 2.13 31 0.00 0 0 12 3 0.0 0 0
Sept 17 1.57 2.51 30 2.51 30 0.00 0 0 11 2 0.0 0 0
Water Year Totals: 16.48" 17.79" 365 days 17.79" 365 0.00" 0 days 0 95 days 32 days 46.7" 20 days 27 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2016 0.00
10/2/2016 0.00
10/3/2016 0.00
10/4/2016 0.00
10/5/2016 0.00
10/6/2016 0.07
10/7/2016 0.09
10/8/2016 0.00
10/9/2016 0.00
10/10/2016 0.00
10/11/2016 0.00
10/12/2016 0.09
10/13/2016 0.02
10/14/2016 0.00
10/15/2016 0.00
10/16/2016 0.00
10/17/2016 0.00
10/18/2016 0.00
10/19/2016 0.12
10/20/2016 0.00
10/21/2016 0.00
10/22/2016 0.00
10/23/2016 0.00
10/24/2016 0.00
10/25/2016 0.00
10/26/2016 0.00
10/27/2016 0.00
10/28/2016 0.00
10/29/2016 0.00
10/30/2016 0.00
10/31/2016 0.00
11/1/2016 0.00
11/2/2016 0.02
11/3/2016 0.00
11/4/2016 0.00
11/5/2016 0.00
11/6/2016 0.00
11/7/2016 0.00
11/8/2016 0.00
11/9/2016 0.00
11/10/2016 0.00
11/11/2016 0.00
11/12/2016 0.00
11/13/2016 0.00
11/14/2016 0.00
11/15/2016 0.00
11/16/2016 0.00
11/17/2016 0.00
11/18/2016 0.15
11/19/2016 T
11/20/2016 T
11/21/2016 0.00
11/22/2016 0.08
11/23/2016 0.02
11/24/2016 0.00
11/25/2016 0.00
11/26/2016 0.00
11/27/2016 0.00
11/28/2016 T
11/29/2016 0.00
11/30/2016 0.00
12/1/2016 0.00
12/2/2016 0.00
12/3/2016 0.04
12/4/2016 0.00
12/5/2016 T
12/6/2016 0.00
12/7/2016 0.35
12/8/2016 T
12/9/2016 0.00
12/10/2016 0.00
12/11/2016 0.04
12/12/2016 T
12/13/2016 0.00
12/14/2016 0.00
12/15/2016 0.02
12/16/2016 0.00
12/17/2016 0.21
12/18/2016 T
12/19/2016 0.00
12/20/2016 0.00
12/21/2016 0.00
12/22/2016 0.00
12/23/2016 T
12/24/2016 0.00
12/25/2016 0.00
12/26/2016 T
12/27/2016 0.00
12/28/2016 T
12/29/2016 0.00
12/30/2016 0.00
12/31/2016 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2017 0.00
1/2/2017 0.00
1/3/2017 0.19
1/4/2017 0.02
1/5/2017 0.64
1/6/2017 0.08
1/7/2017 0.00
1/8/2017 0.00
1/9/2017 T
1/10/2017 T
1/11/2017 0.00
1/12/2017 0.00
1/13/2017 0.04
1/14/2017 0.00
1/15/2017 0.00
1/16/2017 0.20
1/17/2017 0.10
1/18/2017 0.00
1/19/2017 0.00
1/20/2017 0.00
1/21/2017 0.00
1/22/2017 0.00
1/23/2017 0.00
1/24/2017 0.00
1/25/2017 0.04
1/26/2017 0.00
1/27/2017 0.00
1/28/2017 0.00
1/29/2017 0.00
1/30/2017 0.00
1/31/2017 0.00
2/1/2017 0.00
2/2/2017 0.12
2/3/2017 0.00
2/4/2017 T
2/5/2017 0.00
2/6/2017 0.00
2/7/2017 T
2/8/2017 0.01
2/9/2017 0.00
2/10/2017 0.00
2/11/2017 0.00
2/12/2017 T
2/13/2017 0.00
2/14/2017 0.00
2/15/2017 0.00
2/16/2017 0.00
2/17/2017 0.00
2/18/2017 0.00
2/19/2017 0.00
2/20/2017 T
2/21/2017 0.00
2/22/2017 0.00
2/23/2017 0.02
2/24/2017 0.36
2/25/2017 T
2/26/2017 0.00
2/27/2017 0.00
2/28/2017 0.00
3/1/2017 0.01
3/2/2017 0.00
3/3/2017 0.00
3/4/2017 0.00
3/5/2017 0.00
3/6/2017 T
3/7/2017 0.00
3/8/2017 0.00
3/9/2017 0.00
3/10/2017 0.00
3/11/2017 0.02
3/12/2017 0.00
3/13/2017 0.00
3/14/2017 0.00
3/15/2017 0.00
3/16/2017 0.00
3/17/2017 0.00
3/18/2017 0.00
3/19/2017 0.00
3/20/2017 0.00
3/21/2017 0.00
3/22/2017 0.00
3/23/2017 0.00
3/24/2017 0.07
3/25/2017 0.00
3/26/2017 0.00
3/27/2017 0.25
3/28/2017 0.11
3/29/2017 0.31
3/30/2017 0.00
3/31/2017 0.07
Day of YearDaily PrcpMultiday Prcp
4/1/2017 0.32
4/2/2017 0.00
4/3/2017 0.02
4/4/2017 0.17
4/5/2017 0.36
4/6/2017 0.00
4/7/2017 0.00
4/8/2017 0.00
4/9/2017 0.00
4/10/2017 0.00
4/11/2017 0.00
4/12/2017 0.00
4/13/2017 0.00
4/14/2017 0.00
4/15/2017 0.00
4/16/2017 0.00
4/17/2017 0.00
4/18/2017 0.00
4/19/2017 0.00
4/20/2017 0.00
4/21/2017 0.30
4/22/2017 0.28
4/23/2017 0.01
4/24/2017 0.00
4/25/2017 0.14
4/26/2017 0.14
4/27/2017 0.00
4/28/2017 0.06
4/29/2017 0.29
4/30/2017 0.15
5/1/2017 0.00
5/2/2017 0.00
5/3/2017 0.07
5/4/2017 0.12
5/5/2017 0.00
5/6/2017 0.00
5/7/2017 0.00
5/8/2017 0.01
5/9/2017 0.50
5/10/2017 0.09
5/11/2017 0.80
5/12/2017 T
5/13/2017 0.00
5/14/2017 0.00
5/15/2017 0.00
5/16/2017 0.00
5/17/2017 0.01
5/18/2017 1.38
5/19/2017 2.11
5/20/2017 0.03
5/21/2017 0.00
5/22/2017 0.11
5/23/2017 0.08
5/24/2017 0.00
5/25/2017 0.00
5/26/2017 0.26
5/27/2017 0.02
5/28/2017 0.20
5/29/2017 T
5/30/2017 T
5/31/2017 0.00
6/1/2017 0.00
6/2/2017 0.00
6/3/2017 0.01
6/4/2017 0.00
6/5/2017 0.00
6/6/2017 T
6/7/2017 0.00
6/8/2017 0.01
6/9/2017 0.00
6/10/2017 0.00
6/11/2017 0.00
6/12/2017 0.00
6/13/2017 0.00
6/14/2017 0.00
6/15/2017 0.00
6/16/2017 0.00
6/17/2017 0.00
6/18/2017 T
6/19/2017 0.00
6/20/2017 0.00
6/21/2017 0.00
6/22/2017 0.00
6/23/2017 0.11
6/24/2017 T
6/25/2017 0.00
6/26/2017 0.00
6/27/2017 0.00
6/28/2017 0.00
6/29/2017 0.00
6/30/2017 0.34
Day of YearDaily PrcpMultiday Prcp
7/1/2017 0.00
7/2/2017 0.00
7/3/2017 0.00
7/4/2017 0.03
7/5/2017 0.00
7/6/2017 0.00
7/7/2017 0.00
7/8/2017 0.02
7/9/2017 0.00
7/10/2017 0.00
7/11/2017 0.01
7/12/2017 0.00
7/13/2017 0.11
7/14/2017 0.00
7/15/2017 0.00
7/16/2017 0.00
7/17/2017 0.00
7/18/2017 T
7/19/2017 0.00
7/20/2017 0.00
7/21/2017 T
7/22/2017 0.22
7/23/2017 0.00
7/24/2017 0.00
7/25/2017 0.00
7/26/2017 0.13
7/27/2017 0.13
7/28/2017 0.00
7/29/2017 T
7/30/2017 0.00
7/31/2017 0.02
8/1/2017 0.00
8/2/2017 0.00
8/3/2017 0.18
8/4/2017 0.07
8/5/2017 0.02
8/6/2017 0.21
8/7/2017 0.08
8/8/2017 0.86
8/9/2017 0.07
8/10/2017 0.14
8/11/2017 0.20
8/12/2017 0.00
8/13/2017 T
8/14/2017 0.06
8/15/2017 0.00
8/16/2017 0.18
8/17/2017 0.06
8/18/2017 0.00
8/19/2017 0.00
8/20/2017 T
8/21/2017 0.00
8/22/2017 0.00
8/23/2017 0.00
8/24/2017 0.00
8/25/2017 0.00
8/26/2017 0.00
8/27/2017 T
8/28/2017 0.00
8/29/2017 0.00
8/30/2017 0.00
8/31/2017 0.00
9/1/2017 T
9/2/2017 0.00
9/3/2017 0.00
9/4/2017 0.00
9/5/2017 0.00
9/6/2017 0.00
9/7/2017 0.00
9/8/2017 0.00
9/9/2017 0.01
9/10/2017 0.00
9/11/2017 0.00
9/12/2017 T
9/13/2017 0.00
9/14/2017 0.02
9/15/2017 0.05
9/16/2017 0.12
9/17/2017 0.02
9/18/2017 0.00
9/19/2017 0.00
9/20/2017 0.00
9/21/2017 0.00
9/22/2017 0.00
9/23/2017 0.00
9/24/2017 0.89
9/25/2017 0.86
9/26/2017 0.01
9/27/2017 0.00
9/28/2017 0.29
9/29/2017 0.22
9/30/2017 0.02



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2016 7:00 AM 0.00 0.0 M M M
10/2/2016 7:00 AM 0.00 0.0 M M M
10/3/2016 7:00 AM 0.00 0.0 M M M
10/4/2016 7:00 AM 0.00 0.0 M M M
10/5/2016 7:00 AM 0.00 0.0 M M M
10/6/2016 7:00 AM 0.07 M M M M
10/7/2016 7:00 AM 0.09 M M M M Overnight low of 31F.
10/8/2016 7:00 AM 0.00 0.0 M M M
10/9/2016 7:00 AM 0.00 0.0 M M M
10/10/2016 7:00 AM 0.00 0.0 M M M
10/11/2016 7:00 AM 0.00 0.0 M M M
10/12/2016 7:00 AM 0.09 M M M M
10/13/2016 7:00 AM 0.02 M M M M
10/14/2016 7:00 AM 0.00 0.0 M M M
10/15/2016 7:00 AM 0.00 0.0 M M M
10/16/2016 7:00 AM 0.00 0.0 M M M
10/17/2016 7:00 AM 0.00 0.0 M M M
10/18/2016 7:00 AM 0.00 0.0 M M M
10/19/2016 7:00 AM 0.12 M M M M
10/20/2016 7:00 AM 0.00 0.0 M M M
10/21/2016 7:00 AM 0.00 0.0 M M M
10/22/2016 7:00 AM 0.00 0.0 M M M
10/23/2016 7:00 AM 0.00 0.0 M M M
10/24/2016 7:00 AM 0.00 0.0 M M M
10/25/2016 7:00 AM 0.00 0.0 M M M
10/26/2016 7:00 AM 0.00 0.0 M M M
10/27/2016 7:00 AM 0.00 0.0 M M M
10/28/2016 7:00 AM 0.00 0.0 M M M
10/29/2016 7:00 AM 0.00 0.0 M M M
10/30/2016 7:00 AM 0.00 0.0 M M M
10/31/2016 7:00 AM 0.00 0.0 M M M
11/1/2016 7:00 AM 0.00 0.0 M M M
11/2/2016 7:00 AM 0.02 M M M M
11/3/2016 7:00 AM 0.00 0.0 M M M
11/4/2016 7:00 AM 0.00 0.0 M M M
11/5/2016 7:00 AM 0.00 0.0 M M M
11/6/2016 7:00 AM 0.00 0.0 M M M
11/7/2016 7:00 AM 0.00 0.0 M M M
11/8/2016 7:00 AM 0.00 0.0 M M M
11/9/2016 7:00 AM 0.00 0.0 M M M
11/10/2016 7:00 AM 0.00 0.0 M M M
11/11/2016 7:00 AM 0.00 0.0 M M M
11/12/2016 7:00 AM 0.00 0.0 M M M
11/13/2016 7:00 AM 0.00 0.0 M M M
11/14/2016 7:00 AM 0.00 0.0 M M M
11/15/2016 7:00 AM 0.00 0.0 M M M
11/16/2016 7:00 AM 0.00 0.0 M M M
11/17/2016 7:00 AM 0.00 0.0 M M M
11/18/2016 7:00 AM 0.15 1.4 M 1.0 M
11/19/2016 7:00 AM T M M M M
11/20/2016 7:00 AM T M M M M
11/21/2016 7:00 AM 0.00 0.0 M 0.0 M
11/22/2016 7:00 AM 0.08 M M M M Rain between 6 and 8pm
11/23/2016 7:00 AM 0.02 M M M M
11/24/2016 7:00 AM 0.00 0.0 M M M
11/25/2016 7:00 AM 0.00 0.0 M M M
11/26/2016 7:00 AM 0.00 0.0 M M M
11/27/2016 7:00 AM 0.00 0.0 M M M
11/28/2016 7:00 AM T T M M M A period of snow pellets 7:30-7:40am.
11/29/2016 7:00 AM 0.00 0.0 M M M
11/30/2016 7:00 AM 0.00 0.0 M M M
12/1/2016 7:00 AM 0.00 0.0 M M M
12/2/2016 7:00 AM 0.00 0.0 M M M
12/3/2016 7:00 AM 0.04 0.6 M T M
12/4/2016 7:00 AM 0.00 0.0 M 0.0 M
12/5/2016 7:00 AM T M M 0.0 M Trace rainfall before dawn.
12/6/2016 7:00 AM 0.00 0.0 M 0.0 M
12/7/2016 7:00 AM 0.35 5.4 M 5.5 M Snow mostly starting at dark and ending at daybreak.
12/8/2016 7:00 AM T T M 5.0 M Overnight temps hovered around 1F then dipped to -6F before dawn.
12/9/2016 7:00 AM 0.00 0.0 M 5.0 M
12/10/2016 7:00 AM 0.00 0.0 M M M
12/11/2016 7:00 AM 0.04 0.1 M T M Overnight precip. Turned to snow by 6am. High 54F. Low 32.
12/12/2016 7:00 AM T T M T M
12/13/2016 7:00 AM 0.00 0.0 M T M
12/14/2016 7:00 AM 0.00 0.0 M T M
12/15/2016 7:00 AM 0.02 T M T M
12/16/2016 7:00 AM 0.00 0.0 M M M
12/17/2016 7:00 AM 0.21 2.2 M 2.0 M Seems like an overcatch in my gauge possibly due to strong, gusty winds last evening. Overnight low -1F.
12/18/2016 7:00 AM T T M 2.0 M Overnight low temp -9F.
12/19/2016 7:00 AM 0.00 0.0 M 2.0 M Overnight low 5F.
12/20/2016 7:00 AM 0.00 0.0 M 1.0 M
12/21/2016 7:00 AM 0.00 0.0 M T M
12/22/2016 7:00 AM 0.00 0.0 M T M
12/23/2016 7:00 AM T T M T M
12/24/2016 7:00 AM 0.00 0.0 M M M
12/25/2016 7:00 AM 0.00 0.0 M M M
12/26/2016 7:00 AM T T M 0.0 M Snow foe a bit at 10am. Strong winds began 11:30am.
12/27/2016 7:00 AM 0.00 0.0 M 0.0 M
12/28/2016 7:00 AM T M M 0.0 M
12/29/2016 7:00 AM 0.00 0.0 M 0.0 M
12/30/2016 7:00 AM 0.00 0.0 M 0.0 M
12/31/2016 7:00 AM 0.00 0.0 M 0.0 M
1/1/2017 7:00 AM 0.00 0.0 M 0.0 M
1/2/2017 7:00 AM 0.00 0.0 M M M
1/3/2017 7:00 AM 0.19 3.4 M 3.5 M Monday day occasional light flurries throughout much of the day. High around 50F. Real snow starting sometime overnight and continuing. Low this morning 14F.
1/4/2017 7:00 AM 0.02 0.5 M 4.0 M Snow ending midday.
1/5/2017 7:00 AM 0.64 9.2 M 12.0 M Heavier snow late afternoon and continuing at observation time, accumulating 2" by 6pm. Overnight low 3F.
1/6/2017 7:00 AM 0.08 1.1 M 8.5 M Light snow ending midday. High 12F. Overnight low -12F.
1/7/2017 7:00 AM 0.00 0.0 M 7.0 M
1/8/2017 7:00 AM 0.00 0.0 M 6.0 M Daytime high 54F.
1/9/2017 7:00 AM T M M 4.0 M Overnight strong winds blew, raising the temperature to 52F.
1/10/2017 7:00 AM T 0.0 M T M Strong winds, high of 54F. Rain around 9pm. Overnight low 34F. Snow is almost entirely gone except for where it's piled up.
1/11/2017 7:00 AM 0.00 0.0 M T M High winds continue.
1/12/2017 7:00 AM 0.00 0.0 M 0.0 M
1/13/2017 7:00 AM 0.04 0.3 M T M Snow late afternoon and into the evening.
1/14/2017 7:00 AM 0.00 0.0 M 0.0 M
1/15/2017 7:00 AM 0.00 0.0 M 0.0 M
1/16/2017 7:00 AM 0.20 2.6 M 2.5 M Snow starting late evening and continuing at observation time. Overnight low and current temp 30F.
1/17/2017 7:00 AM 0.10 1.6 M 3.0 M Snow ending midday.
1/18/2017 7:00 AM 0.00 0.0 M M M
1/19/2017 7:00 AM 0.00 0.0 M T M
1/20/2017 7:00 AM 0.00 0.0 M T M
1/21/2017 7:00 AM 0.00 0.0 M T M
1/22/2017 7:00 AM 0.00 0.0 M T M
1/23/2017 7:00 AM 0.00 0.0 M T M
1/24/2017 7:00 AM 0.00 0.0 M T M Heavy frost. Overnight low 20F.
1/25/2017 7:00 AM 0.04 0.3 M T M Freezing rain late morning, followed by light snow in the early to mid afternoon. Overnight low 11F.
1/26/2017 7:00 AM 0.00 0.0 M M M
1/27/2017 7:00 AM 0.00 0.0 M T M Cold and clear. Overnight 7F.
1/28/2017 7:00 AM 0.00 0.0 M T M
1/29/2017 7:00 AM 0.00 0.0 M 0.0 M
1/30/2017 7:00 AM 0.00 0.0 M 0.0 M
1/31/2017 7:00 AM 0.00 0.0 M 0.0 M Overnight low 43F.
2/1/2017 7:00 AM 0.00 0.0 M 0.0 M
2/2/2017 7:00 AM 0.12 0.7 M 0.5 M Drizzle starting late afternoon and freezing. Snow beginning overnight, accumulating 0.7" and continuing to fall at observation time. While not absolutely accurate, I attempted to separate snow from ice in the gauge to obtain readings for both freezing drizzle and snow. Snow = 0.04" water content. Freezing drizzle (ice) = 0.08".
2/3/2017 7:00 AM 0.00 0.0 M M M
2/4/2017 7:00 AM T T M 0.0 M
2/5/2017 7:00 AM 0.00 0.0 M 0.0 M
2/6/2017 7:00 AM 0.00 0.0 M 0.0 M
2/7/2017 7:00 AM T M M 0.0 M A drop or two blew in.
2/8/2017 7:00 AM 0.01 M M 0.0 M A bit of measurable rain overnight.
2/9/2017 7:00 AM 0.00 0.0 M 0.0 M Brisk wind and warm temps. High in the 60s. 54F at 6:am.
2/10/2017 7:00 AM 0.00 0.0 M 0.0 M Overnight strong winds drove temps up to 65F.
2/11/2017 7:00 AM 0.00 0.0 M M M
2/12/2017 7:00 AM T M M 0.0 M
2/13/2017 7:00 AM 0.00 0.0 M 0.0 M
2/14/2017 7:00 AM 0.00 0.0 M 0.0 M
2/15/2017 7:00 AM 0.00 0.0 M 0.0 M
2/16/2017 7:00 AM 0.00 0.0 M 0.0 M
2/17/2017 7:00 AM 0.00 0.0 M 0.0 M
2/18/2017 7:00 AM 0.00 0.0 M 0.0 M
2/19/2017 7:00 AM 0.00 0.0 M 0.0 M
2/20/2017 7:00 AM T M M 0.0 M
2/21/2017 7:00 AM 0.00 0.0 M 0.0 M Terribly strong winds starting at approximately 2am.
2/22/2017 7:00 AM 0.00 0.0 M 0.0 M
2/23/2017 6:30 AM 0.02 T M T M Small, granular snow (like grains of table salt, a little larger) falling this morning.
2/24/2017 7:00 AM 0.36 4.7 M 4.0 M Snow throughout the day (possibly starting as rain per my neighbor). 4" snow with 0.33" water content by 5:30pm Overnight another 0.7" snow. Overnight low 15F.
2/25/2017 7:00 AM T T M 4.0 M
2/26/2017 7:00 AM 0.00 0.0 M 2.5 M
2/27/2017 7:00 AM 0.00 0.0 M 0.5 M
2/28/2017 7:00 AM 0.00 0.0 M T M
3/1/2017 7:00 AM 0.01 T M T M Snow approximately from 3:45pm to 4:15pm.
3/2/2017 7:00 AM 0.00 0.0 M T M
3/3/2017 7:00 AM 0.00 0.0 M T M
3/4/2017 7:00 AM 0.00 0.0 M 0.0 M
3/5/2017 7:00 AM 0.00 0.0 M 0.0 M
3/6/2017 7:00 AM T T M T M A smattering of raindrops accompanied by strong, gusty winds beginning about 6am, soon changing to snowflakes and swirling about in dramatic fashion.
3/7/2017 7:00 AM 0.00 0.0 M 0.0 M
3/8/2017 7:00 AM 0.00 0.0 M 0.0 M Windy, excruciatingly dry.
3/9/2017 7:00 AM 0.00 0.0 M 0.0 M Another breezy day, causing me to pick my neighbor's trash out of my yard and chase down lawn furniture.
3/10/2017 7:00 AM 0.00 0.0 M 0.0 M
3/11/2017 7:00 AM 0.02 M M 0.0 M
3/12/2017 7:00 AM 0.00 0.0 M 0.0 M
3/13/2017 7:00 AM 0.00 0.0 M M 0.00
3/14/2017 7:00 AM 0.00 0.0 M 0.0 M
3/15/2017 7:00 AM 0.00 0.0 M 0.0 M
3/16/2017 7:00 AM 0.00 0.0 M M M
3/17/2017 7:00 AM 0.00 0.0 M 0.0 M
3/18/2017 7:00 AM 0.00 0.0 M M M
3/19/2017 7:00 AM 0.00 0.0 M 0.0 M
3/20/2017 7:00 AM 0.00 0.0 M 0.0 M
3/21/2017 7:00 AM 0.00 0.0 M 0.0 M
3/22/2017 7:00 AM 0.00 0.0 M M 0.00
3/23/2017 7:00 AM 0.00 0.0 M 0.0 M
3/24/2017 7:00 AM 0.07 M M 0.0 M Overnight some rain.
3/25/2017 7:00 AM 0.00 0.0 M 0.0 M
3/26/2017 7:00 AM 0.00 0.0 M 0.0 M
3/27/2017 7:00 AM 0.25 M M 0.0 M I awoke to an alien world where dew lay heavy and a quarter inch of rain awaited me in the rain gauge. 33F
3/28/2017 7:00 AM 0.11 M M M M
3/29/2017 7:00 AM 0.31 M M M M 0.18" by noon. 0.19" by 5pm. Rain resumed early evening, 0.08" additional by 8pm, 0.04" overnight.
3/30/2017 7:00 AM 0.00 0.0 M 0.0 M
3/31/2017 7:00 AM 0.07 M M 0.0 M Overnight a bit of rain, 40F.
4/1/2017 7:00 AM 0.32 T M T M Most rain fell during the day, 0.21" by 7pm. 0.11" more by morning. Small, granular snow fell during the nightime and continuing. Low 33F.
4/2/2017 7:00 AM 0.00 0.0 M M M
4/3/2017 7:00 AM 0.02 M M 0.0 M A bit of rain overnight.
4/4/2017 7:00 AM 0.17 1.6 M 1.0 M Snow continuing. Low 31F.
4/5/2017 7:00 AM 0.36 2.7 M 1.0 M Wet snow throughout the day, some white snow pellets approx 3pm to 3:30pm,then snow getting heavier around 5pm to 8:30pm. Clearing and low 22F at observation time.
4/6/2017 7:00 AM 0.00 0.0 M 0.0 M
4/7/2017 7:00 AM 0.00 0.0 M 0.0 0.00
4/8/2017 7:00 AM 0.00 0.0 M 0.0 M
4/9/2017 7:00 AM 0.00 0.0 M 0.0 M
4/10/2017 7:00 AM 0.00 0.0 M 0.0 M
4/11/2017 7:00 AM 0.00 0.0 M 0.0 M
4/12/2017 7:00 AM 0.00 0.0 M 0.0 M
4/13/2017 7:00 AM 0.00 0.0 M 0.0 M
4/14/2017 7:00 AM 0.00 0.0 M 0.0 M
4/15/2017 7:00 AM 0.00 0.0 M M M
4/16/2017 7:00 AM 0.00 0.0 M M M
4/17/2017 7:00 AM 0.00 0.0 M M M
4/18/2017 7:00 AM 0.00 0.0 M M M
4/19/2017 7:00 AM 0.00 0.0 M M M
4/20/2017 7:00 AM 0.00 0.0 M M M Low this morning 34F. Moist enough I could see my breath..
4/21/2017 7:00 AM 0.30 M M M M
4/22/2017 7:00 AM 0.28 M M M M
4/23/2017 7:00 AM 0.01 M M M M
4/24/2017 7:00 AM 0.00 0.0 M M M
4/25/2017 7:00 AM 0.14 M M M M Early evening sprinkles, a nice shower overnight.
4/26/2017 7:00 AM 0.14 M M M M Heavy rain shower with thunder, producing 0.11". Some extra rain again before nightfall.
4/27/2017 7:00 AM 0.00 0.0 M M M
4/28/2017 7:00 AM 0.06 M M M M Daytime showers. Heavy frost at observation time. Overnight low 28F.
4/29/2017 7:00 AM 0.29 2.8 M 2.0 M
4/30/2017 7:00 AM 0.15 1.0 M 1.5 M Low 21F Saturday morning. Daytime 40F briefly. Snow ending midday.
5/1/2017 7:00 AM 0.00 0.0 M 0.0 M
5/2/2017 7:00 AM 0.00 0.0 M M M
5/3/2017 7:00 AM 0.07 0.0 M M M Showers, mainly overnight.
5/4/2017 7:00 AM 0.12 M M M M
5/5/2017 7:00 AM 0.00 0.0 M M M
5/6/2017 7:00 AM 0.00 0.0 M M M
5/7/2017 7:00 AM 0.00 0.0 M M M
5/8/2017 7:00 AM 0.01 M M M M Light showers approximately 4pm to 6pm.
5/9/2017 7:00 AM 0.50 M M M M
5/10/2017 7:00 AM 0.09 M M M M Rain beginning in the morning before observation time and continuing.
5/11/2017 7:00 AM 0.80 0.0 M M M During the day, 0.65". Overnight 0.15" more.
5/12/2017 7:00 AM T M M M M
5/13/2017 7:00 AM 0.00 0.0 M M M
5/14/2017 7:00 AM 0.00 0.0 M M M
5/15/2017 7:00 AM 0.00 0.0 M M M
5/16/2017 7:00 AM 0.00 0.0 M M M
5/17/2017 7:00 AM 0.01 0.0 M M M
5/18/2017 7:00 AM 1.38 T M T M Rain for the most part starting in the evening with some small (pea or bb sized) hail mixed in approximately 8pm). Rain continuing falling overnight, turning to snow then rain snow mix starting at 6:45am. Low 34F.
5/19/2017 7:00 AM 2.11 4.5 M 1.5 M Snow/rain falling continuously, starting as rain/snow mix in the a.m. with periods of rain, then changing over to snow in the afternoon. Temps at 32-34F all day, overnight low 32F. Measurement at 3:30pm yielded 1.39".
5/20/2017 7:00 AM 0.03 0.0 M M M Snow ending mid morning. Overnight low 30F. Frosty
5/21/2017 7:00 AM 0.00 0.0 M M M
5/22/2017 7:00 AM 0.11 M M M M Afternoon showers.
5/23/2017 7:00 AM 0.08 M M M M Early evening rainfall.
5/24/2017 7:00 AM 0.00 0.0 M M M
5/25/2017 7:00 AM 0.00 0.0 M M M
5/26/2017 7:00 AM 0.26 M M M M
5/27/2017 7:00 AM 0.02 M M M M
5/28/2017 7:00 AM 0.20 M M M M
5/29/2017 7:00 AM T 0.0 M M M
5/30/2017 7:00 AM T M M M M
5/31/2017 7:00 AM 0.00 0.0 M M M
6/1/2017 7:00 AM 0.00 0.0 M M M
6/2/2017 7:00 AM 0.00 0.0 M M M
6/3/2017 7:00 AM 0.01 M M M M
6/4/2017 7:00 AM 0.00 0.0 M M M
6/5/2017 7:00 AM 0.00 0.0 M M M
6/6/2017 7:00 AM T M M M M Trace rain noted about 1pm, some thunder beforehand.
6/7/2017 7:00 AM 0.00 0.0 M M M
6/8/2017 7:00 AM 0.01 M M M M Thunder as a storm tried to blow in around 9:30pm. Overnight 50F. Dew.
6/9/2017 7:00 AM 0.00 0.0 M M M
6/10/2017 7:00 AM 0.00 0.0 M M M
6/11/2017 7:00 AM 0.00 0.0 M M M
6/12/2017 7:00 AM 0.00 0.0 M M M
6/13/2017 7:00 AM 0.00 0.0 M M M
6/14/2017 7:00 AM 0.00 0.0 M M M
6/15/2017 7:00 AM 0.00 0.0 M M M
6/16/2017 7:00 AM 0.00 0.0 M M M
6/17/2017 7:00 AM 0.00 0.0 M M M
6/18/2017 7:00 AM T 0.0 M M M Overnight 53F.
6/19/2017 7:00 AM 0.00 0.0 M M M
6/20/2017 7:00 AM 0.00 0.0 M M M
6/21/2017 7:00 AM 0.00 0.0 M M M
6/22/2017 7:00 AM 0.00 0.0 M M M
6/23/2017 7:00 AM 0.11 M M M M 0.10" by 6pm. 0.01" overnight. Strong winds around 4-5am.
6/24/2017 7:00 AM T M M M M
6/25/2017 7:00 AM 0.00 0.0 M M M
6/26/2017 7:00 AM 0.00 0.0 M M M
6/27/2017 7:00 AM 0.00 0.0 M M M
6/28/2017 7:00 AM 0.00 0.0 M M M
6/29/2017 7:00 AM 0.00 0.0 M M M
6/30/2017 7:00 AM 0.34 M M M M A Hardy storm blew through with thunder lightning and wind between 8 and 9:30 p.m. Heavy rain between 8:36 and 9:10, accumulating 0.27 inches of rain. Light rain continuing overnight with some stormy times. Total accumulation 0.34 inches. Overnight low 52F.
7/1/2017 7:00 AM 0.00 0.0 M M M
7/2/2017 7:00 AM 0.00 0.0 M M M
7/3/2017 7:00 AM 0.00 0.0 M M M
7/4/2017 7:00 AM 0.03 M M M M Afternoon showers 2:30-3:00pm
7/5/2017 7:00 AM 0.00 0.0 M M M
7/6/2017 7:00 AM 0.00 0.0 M M M
7/7/2017 7:00 AM 0.00 0.0 M M M
7/8/2017 7:00 AM 0.02 M M M M Afternoon showers and some thunder, 12 to 4:30pm.
7/9/2017 7:00 AM 0.00 0.0 M M M
7/10/2017 7:00 AM 0.00 0.0 M M M
7/11/2017 7:00 AM 0.01 M M M M Afternoon shower.
7/12/2017 7:00 AM 0.00 0.0 M M M
7/13/2017 7:00 AM 0.11 M M M M Afternoon rain.
7/14/2017 7:00 AM 0.00 0.0 M M M
7/15/2017 7:00 AM 0.00 0.0 M M M
7/16/2017 7:00 AM 0.00 0.0 M M M
7/17/2017 7:00 AM 0.00 0.0 M M M
7/18/2017 7:00 AM T M M M M A few drops around 6:45am.
7/19/2017 7:00 AM 0.00 0.0 M M M
7/20/2017 7:00 AM 0.00 0.0 M T M
7/21/2017 7:00 AM T M M M M
7/22/2017 7:00 AM 0.22 M M M M
7/23/2017 7:00 AM 0.00 0.0 M M M
7/24/2017 7:00 AM 0.00 0.0 M M M
7/25/2017 7:00 AM 0.00 0.0 M M M
7/26/2017 7:00 AM 0.13 M M M M
7/27/2017 7:00 AM 0.13 M M M M
7/28/2017 7:00 AM 0.00 0.0 M M M
7/29/2017 7:00 AM T M M M M
7/30/2017 7:00 AM 0.00 0.0 M M M
7/31/2017 7:00 AM 0.02 M M M M A little shower 3-4pm.
8/1/2017 7:00 AM 0.00 0.0 M M M
8/2/2017 7:00 AM 0.00 0.0 M M M
8/3/2017 7:00 AM 0.18 M M M M Rain showers approx 4:30 to 6:30am.
8/4/2017 7:00 AM 0.07 M M M M Big lightning thunder moved through aboit 4am. A little bit of rain
8/5/2017 7:00 AM 0.02 M M M M
8/6/2017 7:00 AM 0.21 M M M M
8/7/2017 7:00 AM 0.08 M M M M
8/8/2017 7:00 AM 0.86 M M M M Rainy and cool during the day, accumulating 0.82" by 6pm. Rain petering out, 0.04" more by observation time.
8/9/2017 7:00 AM 0.07 M M M M Some rain, ending by 6pm.
8/10/2017 7:00 AM 0.14 M M M M
8/11/2017 7:00 AM 0.20 0.0 M M M
8/12/2017 7:00 AM 0.00 0.0 M M M
8/13/2017 7:00 AM T M M M M
8/14/2017 7:00 AM 0.06 M M M M
8/15/2017 7:00 AM 0.00 0.0 M M M
8/16/2017 7:00 AM 0.18 M M M M Significant shower in the evening 7p-8p.
8/17/2017 7:00 AM 0.06 M M M M
8/18/2017 7:00 AM 0.00 0.0 M M M
8/19/2017 7:00 AM 0.00 0.0 M M M
8/20/2017 7:00 AM T M M M M
8/21/2017 7:00 AM 0.00 0.0 M M M
8/22/2017 7:00 AM 0.00 0.0 M M M
8/23/2017 7:00 AM 0.00 0.0 M M M
8/24/2017 7:00 AM 0.00 0.0 M M M
8/25/2017 7:00 AM 0.00 0.0 M M M
8/26/2017 7:00 AM 0.00 0.0 M M M
8/27/2017 7:00 AM T M M M M
8/28/2017 7:00 AM 0.00 0.0 M M M
8/29/2017 7:00 AM 0.00 0.0 M M M
8/30/2017 7:00 AM 0.00 0.0 M M M
8/31/2017 7:00 AM 0.00 0.0 M M M
9/1/2017 7:00 AM T 0.0 M M M
9/2/2017 7:00 AM 0.00 0.0 M M M
9/3/2017 7:00 AM 0.00 0.0 M M M
9/4/2017 7:00 AM 0.00 0.0 M M M
9/5/2017 7:00 AM 0.00 0.0 M M M Terribly smoky, like a fog. Hard to see the mountains even.
9/6/2017 7:00 AM 0.00 0.0 M M M
9/7/2017 7:00 AM 0.00 0.0 M M M
9/8/2017 7:00 AM 0.00 0.0 M M M
9/9/2017 7:00 AM 0.01 M M M M
9/10/2017 7:00 AM 0.00 0.0 M M M
9/11/2017 7:00 AM 0.00 0.0 M M M
9/12/2017 7:00 AM T M M M M Some sprinkles noticed around 8am.
9/13/2017 7:00 AM 0.00 0.0 M M M
9/14/2017 7:00 AM 0.02 M M M M Afternoon shower.
9/15/2017 7:00 AM 0.05 M M M M Afternoon shower.
9/16/2017 7:00 AM 0.12 M M M M
9/17/2017 7:00 AM 0.02 M M M M
9/18/2017 7:00 AM 0.00 0.0 M M M
9/19/2017 7:00 AM 0.00 0.0 M M M
9/20/2017 7:00 AM 0.00 0.0 M M M
9/21/2017 7:00 AM 0.00 0.0 M M M
9/22/2017 7:00 AM 0.00 0.0 M M M
9/23/2017 7:00 AM 0.00 0.0 M M M
9/24/2017 7:00 AM 0.89 M M M M Light rain in the morning but becoming passionate after 2pm. 0.63" by 6pm. 0.84" by 9pm. 0.89" at observation time.
9/25/2017 7:00 AM 0.86 M M M M
9/26/2017 7:00 AM 0.01 M M M M
9/27/2017 7:00 AM 0.00 0.0 M M M
9/28/2017 7:00 AM 0.29 M M M M Rain mostly overnight and continuing.
9/29/2017 7:00 AM 0.22 M M M M Rain, mostly evening and overnight.
9/30/2017 7:00 AM 0.02 M 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