Station Overview Station Location
Station Number CO-BO-479 Latitude 40.108589
Station Name Niwot 1.0 NNE Longitude -105.146366
County Boulder Elevation (ft) 5045



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 1.02 0.35 24 0.15 22 0.20 2 1 2 3 9.0 3 0
Nov 19 0.84 0.00 17 0.00 17 0.00 0 0 0 2 0.0 0 0
Dec 19 0.58 0.13 25 0.13 25 0.00 0 0 1 3 0.0 0 0
Jan 20 0.43 0.00 21 0.00 21 0.00 0 0 0 1 0.0 0 0
Feb 20 0.50 0.00 13 0.00 13 0.00 0 0 0 3 7.0 3 2
March 20 1.54 0.19 24 0.19 24 0.00 0 0 1 3 6.5 2 0
April 20 1.85 0.85 28 0.48 25 0.37 3 1 5 1 15.0 1 1
May 20 2.32 1.53 30 1.53 30 0.00 0 0 7 2 0.0 0 0
June 20 1.80 0.92 28 0.92 17 0.00 11 0 5 2 0.0 0 0
July 20 1.32 1.64 30 0.46 16 1.18 14 3 4 4 0.0 0 0
Aug 20 1.39 0.81 31 0.81 29 0.00 2 1 5 6 0.0 0 0
Sept 20 1.45 0.95 26 0.95 26 0.00 0 0 4 1 0.0 0 0
Water Year Totals: 15.04" 7.37" 297 days 5.62" 265 1.75" 32 days 6 34 days 31 days 37.5" 9 days 3 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 0.10
10/3/2019 T
10/4/2019
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 **
10/11/2019 0.20
10/12/2019 0.00
10/13/2019
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
10/20/2019 0.00
10/21/2019 0.00
10/22/2019 0.00
10/23/2019 0.00
10/24/2019 M
10/25/2019 0.00
10/26/2019 0.00
10/27/2019
10/28/2019 T
10/29/2019 T
10/30/2019
10/31/2019
11/1/2019
11/2/2019 0.00
11/3/2019 0.00
11/4/2019 0.00
11/5/2019 0.00
11/6/2019
11/7/2019 T
11/8/2019 0.00
11/9/2019 0.00
11/10/2019 0.00
11/11/2019 M
11/12/2019
11/13/2019 0.00
11/14/2019
11/15/2019 0.00
11/16/2019 0.00
11/17/2019 0.00
11/18/2019
11/19/2019
11/20/2019 0.00
11/21/2019 T
11/22/2019
11/23/2019
11/24/2019
11/25/2019
11/26/2019 M
11/27/2019
11/28/2019 0.00
11/29/2019 0.00
11/30/2019 0.00
12/1/2019 0.00
12/2/2019 0.00
12/3/2019 0.00
12/4/2019 0.00
12/5/2019
12/6/2019 0.13
12/7/2019 0.00
12/8/2019 0.00
12/9/2019
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
12/16/2019 T
12/17/2019 0.00
12/18/2019 0.00
12/19/2019
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 T
12/29/2019 0.00
12/30/2019
12/31/2019
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
1/6/2020 0.00
1/7/2020 0.00
1/8/2020
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 0.00
1/15/2020 0.00
1/16/2020 0.00
1/17/2020
1/18/2020 0.00
1/19/2020 0.00
1/20/2020 0.00
1/21/2020
1/22/2020 0.00
1/23/2020 0.00
1/24/2020
1/25/2020
1/26/2020
1/27/2020
1/28/2020
1/29/2020
1/30/2020 T
1/31/2020 0.00
2/1/2020 0.00
2/2/2020 0.00
2/3/2020 T
2/4/2020 M
2/5/2020
2/6/2020
2/7/2020
2/8/2020 M
2/9/2020 M
2/10/2020 M
2/11/2020 M
2/12/2020 0.00
2/13/2020 M
2/14/2020
2/15/2020
2/16/2020
2/17/2020
2/18/2020
2/19/2020 0.00
2/20/2020 M
2/21/2020
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 M
3/3/2020 0.00
3/4/2020 0.00
3/5/2020 0.00
3/6/2020
3/7/2020 0.00
3/8/2020
3/9/2020 M
3/10/2020 0.00
3/11/2020 0.00
3/12/2020 0.00
3/13/2020 0.00
3/14/2020 M
3/15/2020 0.00
3/16/2020 0.00
3/17/2020 T
3/18/2020 0.00
3/19/2020 T
3/20/2020 M
3/21/2020 T
3/22/2020 0.00
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 0.19
3/29/2020
3/30/2020 0.00
3/31/2020 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2020 0.00
4/2/2020 0.03
4/3/2020 0.03
4/4/2020 0.00
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 M **
4/13/2020 M **
4/14/2020 M 0.37
4/15/2020 0.00
4/16/2020 M
4/17/2020 0.37
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 0.04
4/25/2020 0.01
4/26/2020 0.00
4/27/2020 0.00
4/28/2020 0.00
4/29/2020 0.00
4/30/2020
5/1/2020
5/2/2020 T
5/3/2020 0.25
5/4/2020 0.04
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 0.22
5/13/2020 0.00
5/14/2020 0.00
5/15/2020 0.02
5/16/2020 0.14
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 0.79
5/26/2020 0.00
5/27/2020 0.00
5/28/2020 T
5/29/2020 0.00
5/30/2020 0.00
5/31/2020 0.07
6/1/2020 0.01
6/2/2020 0.00
6/3/2020 T
6/4/2020 0.00
6/5/2020 0.00
6/6/2020 0.00
6/7/2020 0.13
6/8/2020 0.00
6/9/2020 0.47
6/10/2020 0.01
6/11/2020 0.00
6/12/2020 0.00
6/13/2020 0.00
6/14/2020 0.30
6/15/2020 T
6/16/2020 0.00
6/17/2020 0.00
6/18/2020
6/19/2020
6/20/2020 **
6/21/2020 **
6/22/2020 **
6/23/2020 **
6/24/2020 **
6/25/2020 **
6/26/2020 **
6/27/2020 **
6/28/2020 **
6/29/2020 **
6/30/2020 **
Day of YearDaily PrcpMultiday Prcp
7/1/2020 **
7/2/2020 **
7/3/2020 **
7/4/2020 **
7/5/2020 **
7/6/2020 **
7/7/2020 **
7/8/2020 **
7/9/2020 **
7/10/2020 0.86
7/11/2020 0.00
7/12/2020 0.00
7/13/2020 T
7/14/2020 **
7/15/2020 0.05
7/16/2020
7/17/2020 0.00
7/18/2020 0.00
7/19/2020 T
7/20/2020 T
7/21/2020 0.00
7/22/2020 0.00
7/23/2020 0.01
7/24/2020 0.00
7/25/2020 0.17
7/26/2020 0.02
7/27/2020 T
7/28/2020 0.00
7/29/2020 **
7/30/2020 0.27
7/31/2020 0.26
8/1/2020 0.41
8/2/2020 T
8/3/2020 T
8/4/2020 T
8/5/2020 T
8/6/2020 0.22
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 0.00
8/20/2020 T
8/21/2020 T
8/22/2020 0.00
8/23/2020 0.00
8/24/2020 0.00
8/25/2020 0.00
8/26/2020 0.09
8/27/2020 0.00
8/28/2020 0.02
8/29/2020 0.07
8/30/2020 **
8/31/2020 T
9/1/2020 0.03
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 0.33
9/9/2020 0.53
9/10/2020 0.06
9/11/2020
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 T
9/22/2020 0.00
9/23/2020 0.00
9/24/2020 0.00
9/25/2020 0.00
9/26/2020 0.00
9/27/2020
9/28/2020
9/29/2020
9/30/2020 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2019 7:25 AM 0.05 M M M M
10/2/2019 7:20 AM 0.10 M M M M
10/3/2019 8:15 AM T M M M M
10/5/2019 7:55 AM 0.00 0.0 M M M
10/6/2019 7:00 AM 0.00 0.0 M M M
10/7/2019 8:00 AM 0.00 0.0 M M M
10/8/2019 7:00 AM 0.00 0.0 M M M
10/9/2019 7:40 AM 0.00 0.0 M M M
10/12/2019 7:45 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 6:40 AM 0.00 0.0 M M M
10/18/2019 9:10 AM 0.00 0.0 M M M
10/20/2019 7:00 AM 0.00 0.0 M M M
10/21/2019 9:15 AM 0.00 0.0 M M M
10/22/2019 7:00 AM 0.00 0.0 M M M
10/23/2019 8:45 AM 0.00 0.0 M M M
10/24/2019 7:00 AM M 3.0 M M M
10/25/2019 6:50 AM 0.00 0.0 M M M
10/26/2019 7:00 AM 0.00 0.0 M M M
10/28/2019 7:00 AM T 5.0 M M M
10/29/2019 7:00 AM T 1.0 M M M Snow started 4:30am.
11/2/2019 8:45 AM 0.00 0.0 M M M
11/3/2019 7:00 AM 0.00 0.0 M M M
11/4/2019 7:00 AM 0.00 0.0 M M M
11/5/2019 7:00 AM 0.00 0.0 M M M
11/7/2019 7:45 AM T M M M M Freezing drizzle
11/8/2019 7:00 AM 0.00 0.0 M M M
11/9/2019 6:45 AM 0.00 0.0 M M M
11/10/2019 7:00 AM 0.00 0.0 M M M
11/11/2019 7:00 AM M M M M M snowed approximately 1"
11/13/2019 7:00 AM 0.00 0.0 M M M
11/15/2019 7:00 AM 0.00 0.0 M M M
11/16/2019 8:30 AM 0.00 0.0 M M M
11/17/2019 6:40 AM 0.00 0.0 M M M
11/20/2019 7:30 AM 0.00 0.0 M M M
11/21/2019 7:00 AM T M M M M Approximately 1" of snow fell in the evening of 11/20
11/26/2019 7:00 AM M M M M M 18" measured in our yard soon after the snow stopped falling. {EDIT: Observer reported T for new precip but indicated in the notes that 18" of snow fell. Changed report of T to NA until observer can be contacted to verify. Submission Time Before EDIT: 11/26/2019 8:58 PM CoCoSTAFF DNT}
11/28/2019 7:00 AM 0.00 0.0 M M M
11/29/2019 7:50 AM 0.00 0.0 M M M Fog causing rime ice to form
11/30/2019 8:05 AM 0.00 0.0 M M M
12/1/2019 8:08 AM 0.00 0.0 M M M
12/2/2019 6:00 AM 0.00 0.0 M M M
12/3/2019 6:40 AM 0.00 0.0 M M M
12/4/2019 7:50 AM 0.00 0.0 M M M
12/6/2019 1:15 PM 0.13 M M M M Precipitation was collected in the outer cylinder and measured with the removed inner gauge. Nearly all of yesterday's precipitation fell as rain.
12/7/2019 7:00 AM 0.00 0.0 M M M
12/8/2019 7:00 AM 0.00 0.0 M M M
12/10/2019 6:30 AM 0.00 0.0 M M M
12/11/2019 7:00 AM 0.00 0.0 M M M
12/12/2019 7:00 AM 0.00 0.0 M M M
12/13/2019 8:20 AM 0.00 0.0 M M M
12/14/2019 7:25 AM 0.00 0.0 M M M
12/16/2019 7:00 AM T M M M M A few flurries with just a very light dusting.
12/17/2019 6:20 AM 0.00 0.0 M M M
12/18/2019 8:00 AM 0.00 0.0 M M M
12/20/2019 7:00 AM 0.00 0.0 M M M
12/21/2019 6:57 AM 0.00 0.0 M M M
12/22/2019 7:55 AM 0.00 0.0 M M M
12/23/2019 7:00 AM 0.00 0.0 M M M
12/24/2019 6:30 AM 0.00 0.0 M M M
12/25/2019 8:00 AM 0.00 0.0 M M M
12/26/2019 7:45 AM T M M M M A couple short, light, rain showers between 1-4pm.
12/27/2019 7:00 AM 0.00 0.0 M M M
12/28/2019 7:00 AM T M M M M Approximately 1.5-2.0" of snow on the ground, and snowing lightly.
12/29/2019 7:00 AM 0.00 0.0 M M M
1/1/2020 7:50 AM 0.00 0.0 M M M
1/2/2020 8:35 AM 0.00 0.0 M M M
1/3/2020 6:10 AM 0.00 0.0 M M M
1/4/2020 7:18 AM 0.00 0.0 M M M
1/6/2020 6:30 AM 0.00 0.0 M M M
1/7/2020 6:45 AM 0.00 0.0 M M M
1/9/2020 6:40 AM 0.00 0.0 M M M
1/10/2020 7:00 AM 0.00 0.0 M M M
1/11/2020 8:55 AM 0.00 0.0 M M M
1/12/2020 9:03 AM 0.00 0.0 M M M
1/13/2020 7:00 AM 0.00 0.0 M M M
1/14/2020 7:04 AM 0.00 0.0 M M M
1/15/2020 7:22 AM 0.00 0.0 M M M
1/16/2020 9:10 AM 0.00 0.0 M M M
1/18/2020 7:00 AM 0.00 0.0 M M M
1/19/2020 8:10 AM 0.00 0.0 M M M
1/20/2020 5:30 AM 0.00 0.0 M M M
1/22/2020 8:25 AM 0.00 0.0 M M M
1/23/2020 5:15 AM 0.00 0.0 M M M
1/30/2020 6:55 AM T M M M M A few light rain showers around 4:30pm barely enough to wet the ground. Currently dense fog.
1/31/2020 8:30 AM 0.00 0.0 M M M
2/1/2020 8:10 AM 0.00 0.0 M M M
2/2/2020 7:00 AM 0.00 0.0 M M M
2/3/2020 7:05 AM T M M M M Freezing drizzle overnight and light snow by 6:30 with a dusting on the ground by first light. Snowing increased in intensity around 10:00am.
2/4/2020 7:20 AM M M M 6.0 M Approximately 6" of snow on the ground. {EDIT: Observer reported T for new precip. Notes and surrounding reports indicate this is not accurate. Changed report of T to NA until observer can verify. CoCoSTAFF DNT}{Snow in comments appears to be total snow depth. No precip measurement. CMG 4/19/20}
2/8/2020 7:00 AM M M M 4.0 M 4" from yesterday's snowfall. QC: Originally entered T for precip, changed to NA. Snow in comments appears to be total snow depth. CMG 4/19/20
2/9/2020 7:00 AM M M M M M Currently snowing. Started 6am. QC: Nearby stations indicate there was probably measurable snowfall, about an inch. Changed precip to NA. CMG 4/19/20
2/10/2020 7:00 AM M M M M M {EDIT: Observer reported T for new precip. Surrounding reports of 0.15 to 0.26 indicate this is not accurate. Changed report of T to NA until observer can verify. CoCoSTAFF DNT}
2/11/2020 6:40 AM M 3.0 M M M 3" snow {EDIT: Observer reported T for new precip. Notes and surrounding reports of 0.15 to 0.40 indicate this is not accurate. Changed report of T to NA until observer can verify. CoCoSTAFF DNT}(Snowfall from remarks looks good. No precip measurement. CMG 4/19/20}
2/12/2020 8:20 AM 0.00 0.0 M M M
2/13/2020 8:00 AM M 3.0 M M M 3" new snow overnight. {EDIT: Observer reported T for new precip. Notes and surrounding reports of 0.15 to 0.25 indicate this is not accurate. Changed report of T to NA until observer can verify. CoCoSTAFF DNT}{Snowfall from remarks looks good, no precip measurement. CMG 4/19/20}
2/19/2020 7:00 AM 0.00 0.0 M M M
2/20/2020 6:15 AM M 1.0 M M M 1"snow QC: This was entered on 2/21 but nearby stations indicate that it fell for the 2/20 observation. Changed the date and T precip to NA. CMG 4/19/20
2/22/2020 7:00 AM 0.00 0.0 M M M
2/23/2020 7:00 AM 0.00 0.0 M M M
2/24/2020 6:30 AM T M M M M Dusting of snow.
2/25/2020 8:45 AM T M M M M
2/26/2020 7:30 AM 0.00 0.0 M M M
2/27/2020 7:00 AM 0.00 0.0 M M M
2/28/2020 8:55 AM 0.00 0.0 M M M
2/29/2020 7:40 AM 0.00 0.0 M M M
3/1/2020 7:00 AM 0.00 0.0 M M M
3/2/2020 8:00 AM M 3.0 M M M approximately 3" new snow {EDIT: Observer reported T for new precip. Notes and surrounding reports indicate this is not accurate. Changed report of T to NA until observer can verify. CoCoSTAFF DNT}{Snowfall looks good. No precip measurement. CMG 4/19/20}
3/3/2020 8:05 AM 0.00 0.0 M M M
3/4/2020 7:38 AM 0.00 0.0 M M M
3/5/2020 7:00 AM 0.00 0.0 M M M
3/7/2020 9:55 AM 0.00 0.0 M M M
3/9/2020 6:55 AM M M M M M Rain yesterday but unmeasured. As a guess I'd say .01" or less actually fell. {EDIT: Observer reported Trace for new precip but indicated in the notes that a measurement was not take. Surrounding reports show 0.15 to 0.20 of new precip. Changed report of T to NA to be more representative until observer can be contacted. Submission Time Before EDIT: 3/09/2020 6:55 AM CoCoSTAFF DNT}
3/10/2020 6:25 AM 0.00 0.0 M M M
3/11/2020 7:00 AM 0.00 0.0 M M M
3/12/2020 6:40 AM 0.00 0.0 M M M
3/13/2020 7:00 AM 0.00 0.0 M M M
3/14/2020 9:25 AM M M M M M Dusting to 1/2" on grassy surfaces {EDIT: Observer reported T for new precip. Notes and surrounding reports indicate this is not accurate. Changed report of T to NA until observer can verify. CoCoSTAFF DNT}
3/15/2020 7:50 AM 0.00 0.0 M M M
3/16/2020 7:00 AM 0.00 0.0 M M M
3/17/2020 8:10 AM T M M M M Foggy, cloudy.
3/18/2020 7:00 AM 0.00 0.0 M M M
3/19/2020 6:55 AM T M M M M Light drizzle
3/20/2020 7:15 AM M 3.5 M M M Automated rain gauge within about 20' of CoCoRaHS gauge picked up .68" of rain and melted snow so far, with snow still waiting to melt within the gauge. Approximately 3-4" on grassy surfaces. {EDIT: Observer reported T for new precip. Notes and surrounding reports indicate this is not accurate. Changed report of T to NA until observer can verify. CoCoSTAFF DNT}{Snowfall looks good, no precip measurement. CMG 4/19/20}
3/21/2020 7:55 AM T M M M M A few flurries yesterday. No accumulation.
3/22/2020 7:45 AM 0.00 0.0 M M M
3/23/2020 7:11 AM 0.00 0.0 M M M
3/24/2020 7:30 AM 0.00 0.0 M M M
3/25/2020 6:45 AM 0.00 0.0 M M M
3/26/2020 8:00 AM 0.00 0.0 M M M
3/27/2020 6:45 AM 0.00 0.0 M M M
3/28/2020 8:54 AM 0.19 M M M M Mix of rain and snow.
3/30/2020 7:30 AM 0.00 0.0 M M M
3/31/2020 7:00 AM 0.00 0.0 M M M
4/1/2020 8:15 AM 0.00 0.0 M M M
4/2/2020 8:45 AM 0.03 M M M M small amount of frozen precipitation on the cylinder.
4/3/2020 8:30 AM 0.03 M M M M A little ice and snow unmelted in the cylinder.
4/4/2020 7:00 AM 0.00 0.0 M M M
4/5/2020 7:45 AM 0.00 0.0 M M M
4/6/2020 7:35 AM 0.00 0.0 M M M
4/7/2020 7:00 AM 0.00 0.0 M M M
4/8/2020 9:30 AM 0.00 0.0 M M M
4/9/2020 8:15 AM 0.00 0.0 M M M
4/10/2020 6:40 AM 0.00 0.0 M M M
4/11/2020 7:33 AM 0.00 0.0 M M M
4/12/2020 7:15 AM M M M M M Approximately 3" of snow. {EDIT: Observer reported Trace for new precip. This is low compared to surrounding reports of 0.29 to 0.40 and Trace is low when 3.0 of new snow fell. Changed report of Trace to NA until observer can be contacted to verify. Submission Time Before EDIT: 4/12/2020 7:17 AM CoCoSTAFF DNT}(Observer reported 0.37 precip on 4/14 which likely covered 3 days. Entered a multiday report on that date. This report should be deleted. CMG 4/19/20}
4/13/2020 7:05 AM M M M M M ~4" overnight for a total of ~8-10" on the ground. {EDIT: Observer reported T for new precip. This is low compared to surrounding reports of 0.25 to 0.33 and appears to be a typo. Changed report of Trace to NA until observer can be contacted to verify. Submission Time Before EDIT; 4/13/2020 7:05 AM CoCoSTAFF DNT}{Precip of 0.37 in the 4/14 report likely covered 3 days. Entered a multiday report on that date. This report should be deleted. CMG 4/19/20}
4/14/2020 8:00 AM M M M M M QC: Originally reported precip of 0.37. This is a 3 day total. Replaced with a multiday report. This report should be deleted. CMG 4/19/20
4/15/2020 7:45 AM 0.00 0.0 M M M
4/16/2020 7:25 AM M 15.0 M 15.0 M Approximately 15" of snow on non-grassy surfaces. {EDIT: observer reported T for new precip. This is low for 15" of snow. Changed report of T to NA until observer can be contacted to verify. Submission Time Before EDIT: 4/16/2020 8:09 AM CoCoSTAFF DNT}{Based on nearby neighbors, 15" is reasonable for snowfall and snow depth. CMG 4/19/20)
4/17/2020 7:15 AM 0.37 M 0.37 M M 3F at 7:15. Cylinder frozen with snow piled on top. Will post moisture content when it melts. {EDIT: observer reported Trace for new precip. This is low compared to surrounding reports and notes indicate this is not accurate. Changed report of Trace to NA to be more representative until observer can verify a measurement. CoCoSTAFF DNT}{Observer entered SWE of 0.37 on 4/18. This moisture was from snow on this day. Corrected both reports. CMG 4/19/20)
4/18/2020 7:00 AM 0.00 0.0 0.00 M M QC: Originally entered T for precip and 0.37 for SWE. This fell in the observation day ending on 4/17. Corrected both reports. CMG 4/19/20
4/19/2020 7:00 AM 0.00 0.0 M M M
4/20/2020 7:20 AM 0.00 0.0 M M M
4/21/2020 9:10 AM 0.00 0.0 M M M
4/22/2020 7:20 AM 0.00 0.0 M M M
4/23/2020 8:10 AM T M M M M A few sprinkles in the afternoon. Not enough to even fully wet the ground.
4/24/2020 8:00 AM 0.04 M M M M
4/25/2020 9:30 AM 0.01 M M M M
4/26/2020 7:45 AM 0.00 0.0 M M M
4/27/2020 7:30 AM 0.00 0.0 M M M
4/28/2020 8:45 AM 0.00 0.0 M M M
4/29/2020 8:05 AM 0.00 0.0 M M M
5/2/2020 8:05 AM T M M M M Very light drizzle falling starting approximately 8am.
5/3/2020 6:10 AM 0.25 M M M M First lightning show of the year.
5/4/2020 7:00 AM 0.04 M M M M
5/5/2020 7:45 AM 0.00 0.0 M M M
5/6/2020 7:35 AM 0.00 0.0 M M M
5/7/2020 6:20 AM 0.00 0.0 M M M
5/8/2020 7:40 AM 0.00 0.0 M M M
5/9/2020 8:00 AM 0.00 0.0 M M M
5/10/2020 6:20 AM 0.00 0.0 M M M
5/11/2020 8:35 AM 0.00 0.0 M M M
5/12/2020 8:20 AM 0.22 M M M M
5/13/2020 7:45 AM 0.00 0.0 M M M
5/14/2020 7:10 AM 0.00 0.0 M M M
5/15/2020 7:15 AM 0.02 M M M M
5/16/2020 7:00 AM 0.14 M M M M
5/17/2020 5:55 AM 0.00 0.0 M M M
5/18/2020 5:40 AM 0.00 0.0 M M M
5/19/2020 7:10 AM 0.00 0.0 M M M
5/20/2020 7:00 AM 0.00 0.0 M M M
5/21/2020 5:40 AM 0.00 0.0 M M M
5/22/2020 7:20 AM 0.00 0.0 M M M
5/23/2020 6:30 AM 0.00 0.0 M M M
5/24/2020 7:20 AM 0.00 0.0 M M M
5/25/2020 6:55 AM 0.79 M M M M
5/26/2020 7:45 AM 0.00 0.0 M M M
5/27/2020 7:00 AM 0.00 0.0 M M M
5/28/2020 6:45 AM T M M M M Spit rain 3-4 times yesterday but never amounting to anything.
5/29/2020 7:30 AM 0.00 0.0 M M M
5/30/2020 7:25 AM 0.00 0.0 M M M
5/31/2020 8:13 AM 0.07 M M M M
6/1/2020 7:00 AM 0.01 M M M M
6/2/2020 6:30 AM 0.00 0.0 M M M
6/3/2020 6:20 AM T M M M M Very light sprinkle of rain in the afternoon.
6/4/2020 6:30 AM 0.00 0.0 M M M
6/5/2020 8:50 AM 0.00 0.0 M M M
6/6/2020 6:20 AM 0.00 0.0 M M M
6/7/2020 7:00 AM 0.13 M M M M
6/8/2020 7:40 AM 0.00 0.0 M M M
6/9/2020 7:35 AM 0.47 M M M M
6/10/2020 7:45 AM 0.01 M M M M
6/11/2020 5:15 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 6:45 AM 0.30 M M M M
6/15/2020 8:15 AM T M M M M
6/16/2020 5:30 AM 0.00 0.0 M M M
6/17/2020 7:13 AM 0.00 0.0 M M M
7/11/2020 7:25 AM 0.00 0.0 M M M
7/12/2020 7:00 AM 0.00 0.0 M M M
7/13/2020 7:10 AM T M M M M
7/17/2020 7:00 AM 0.00 0.0 M M M
7/18/2020 7:20 AM 0.00 0.0 M M M
7/19/2020 5:50 AM T M M M M A few sprinkles last night around 7:00 or so.
7/20/2020 7:00 AM T M M M M
7/21/2020 5:45 AM 0.00 0.0 M M M
7/22/2020 8:40 AM 0.00 0.0 M M M
7/23/2020 7:30 AM 0.01 M M M M
7/24/2020 7:00 AM 0.00 0.0 M M M
7/25/2020 7:10 AM 0.17 M M M M
7/26/2020 7:30 AM 0.02 M M M M
7/27/2020 7:30 AM T M M M M
7/28/2020 7:20 AM 0.00 0.0 M M M
7/31/2020 10:30 AM 0.26 M M M M
8/1/2020 7:10 AM 0.41 M M M M
8/2/2020 7:00 AM T M M M M
8/3/2020 3:30 PM T M M M M
8/4/2020 11:00 AM T M M M M
8/5/2020 5:45 AM T M M M M
8/6/2020 6:30 AM 0.22 M M M M
8/7/2020 6:50 AM 0.00 0.0 M M M
8/8/2020 7:00 AM 0.00 0.0 M M M
8/9/2020 8:45 AM 0.00 0.0 M M M
8/10/2020 10:50 AM 0.00 0.0 M M M
8/11/2020 9:00 AM 0.00 0.0 M M M
8/12/2020 7:05 AM 0.00 0.0 M M M
8/13/2020 7:00 AM 0.00 0.0 M M M
8/14/2020 8:15 AM 0.00 0.0 M M M
8/15/2020 6:45 AM 0.00 0.0 M M M
8/16/2020 6:30 AM 0.00 0.0 M M M
8/17/2020 7:00 AM 0.00 0.0 M M M
8/18/2020 8:40 AM 0.00 0.0 M M M
8/19/2020 6:35 AM 0.00 0.0 M M M
8/20/2020 8:10 AM T M M M M
8/21/2020 9:00 AM T M M M M
8/22/2020 8:00 AM 0.00 0.0 M M M
8/23/2020 7:00 AM 0.00 0.0 M M M
8/24/2020 6:45 AM 0.00 0.0 M M M
8/25/2020 7:00 AM 0.00 0.0 M M M
8/26/2020 7:35 AM 0.09 M M M M
8/27/2020 7:00 AM 0.00 0.0 M M M
8/28/2020 11:30 AM 0.02 M M M M
8/29/2020 7:00 AM 0.07 M M M M
9/1/2020 7:30 AM 0.03 M M M M
9/2/2020 7:20 AM 0.00 0.0 M M M
9/3/2020 6:30 AM 0.00 0.0 M M M
9/4/2020 6:45 AM 0.00 0.0 M M M
9/5/2020 7:40 AM 0.00 0.0 M M M
9/6/2020 8:00 AM 0.00 0.0 M M M
9/7/2020 7:00 AM 0.00 0.0 M M M
9/8/2020 7:30 AM 0.33 M M M M
9/9/2020 7:45 AM 0.53 M M M M
9/10/2020 9:15 AM 0.06 M M M M
9/12/2020 6:50 AM 0.00 0.0 M M M
9/13/2020 8:30 AM 0.00 0.0 M M M
9/14/2020 7:00 AM 0.00 0.0 M M M
9/15/2020 7:45 AM 0.00 0.0 M M M
9/16/2020 9:55 AM 0.00 0.0 M M M
9/17/2020 6:00 AM 0.00 0.0 M M M
9/18/2020 7:15 AM 0.00 0.0 M M M
9/19/2020 8:00 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 T M M M M
9/22/2020 6:45 AM 0.00 0.0 M M M
9/23/2020 8:10 AM 0.00 0.0 M M M
9/24/2020 6:30 AM 0.00 0.0 M M M
9/25/2020 7:00 AM 0.00 0.0 M M M
9/26/2020 6:55 AM 0.00 0.0 M M M
9/30/2020 2:05 PM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/10/2019 10/11/2019 7:00 AM 2 0.20 M M
4/12/2020 4/14/2020 8:00 AM 3 0.37 8.0 M Observer originally reported snow depth of 3" on the 12th and 8-10" on the 13th, then this precipitation on the 14th. Nearby stations had a small amount of precipitation on the 14th, but most of this was from low density snow the first two days. CMG 4/19/20
6/20/2020 7/10/2020 6:30 AM 21 0.86 M M
7/14/2020 7/15/2020 5:45 AM 2 0.05 M M
7/29/2020 7/30/2020 7:05 AM 2 0.27 M M
8/30/2020 8/31/2020 10:30 AM 2 T M M



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