Station Overview Station Location
Station Number CO-BO-445 Latitude 40.00514
Station Name Boulder 1.5 SSW Longitude -105.25705
County Boulder Elevation (ft) 5337



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 1.29 2.04 29 2.04 29 0.00 0 0 10 3 26.6 6 4
Nov 19 0.99 2.25 29 2.25 29 0.00 0 0 6 2 18.5 2 1
Dec 19 0.76 0.21 30 0.21 28 0.00 2 1 3 2 2.5 1 1
Jan 20 0.60 0.00 26 0.00 26 0.00 0 0 0 0 0.0 0 0
Feb 20 0.61 1.30 23 1.30 23 0.00 0 0 7 2 28.5 9 7
March 20 1.84 1.33 30 1.33 30 0.00 0 0 6 1 0.4 1 1
April 20 2.28 0.10 10 0.10 10 0.00 0 0 2 0 0.4 1 0
May 20 2.60 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 20 2.21 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 20 1.66 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 20 1.75 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 20 1.56 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 18.15" 7.23" 177 days 7.23" 175 0.00" 2 days 1 34 days 10 days 76.9" 20 days 14 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 0.32
10/3/2019
10/4/2019 0.02
10/5/2019 0.02
10/6/2019 T
10/7/2019 0.00
10/8/2019 0.00
10/9/2019 0.00
10/10/2019 0.29
10/11/2019 0.29
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 M
10/25/2019 T
10/26/2019 0.00
10/27/2019 0.11
10/28/2019 0.46
10/29/2019 0.20
10/30/2019 0.28
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 0.12
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 T
11/15/2019 0.00
11/16/2019 0.00
11/17/2019 0.00
11/18/2019 0.00
11/19/2019 0.00
11/20/2019 0.00
11/21/2019
11/22/2019 0.20
11/23/2019 0.00
11/24/2019 0.00
11/25/2019 0.00
11/26/2019 1.25
11/27/2019 0.50
11/28/2019 0.00
11/29/2019 0.00
11/30/2019 0.06
12/1/2019 0.00
12/2/2019 0.00
12/3/2019 0.00
12/4/2019 0.00
12/5/2019 0.00
12/6/2019 0.17
12/7/2019 0.00
12/8/2019 0.00
12/9/2019 0.00
12/10/2019 **
12/11/2019 0.00
12/12/2019 0.00
12/13/2019 0.00
12/14/2019 T
12/15/2019 0.02
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 M
12/29/2019 0.02
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 M
1/14/2020 M
1/15/2020 0.00
1/16/2020 0.00
1/17/2020 0.00
1/18/2020 0.00
1/19/2020 M
1/20/2020 M
1/21/2020 M
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
2/2/2020 0.00
2/3/2020 0.05
2/4/2020 M
2/5/2020 M
2/6/2020 T
2/7/2020 0.32
2/8/2020 M
2/9/2020 0.08
2/10/2020 0.22
2/11/2020 M
2/12/2020
2/13/2020 0.19
2/14/2020 0.00
2/15/2020 0.00
2/16/2020 0.00
2/17/2020 0.00
2/18/2020 0.23
2/19/2020 0.00
2/20/2020 0.21
2/21/2020 0.00
2/22/2020 0.00
2/23/2020 0.00
2/24/2020 T
2/25/2020 0.00
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 0.42
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 0.17
3/10/2020 0.00
3/11/2020 0.00
3/12/2020 0.00
3/13/2020 0.00
3/14/2020 0.11
3/15/2020 0.00
3/16/2020 0.00
3/17/2020 T
3/18/2020 0.00
3/19/2020 0.32
3/20/2020 M
3/21/2020 0.03
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 0.28
3/29/2020 0.00
3/30/2020 0.00
3/31/2020 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2020 0.00
4/2/2020 0.06
4/3/2020 0.04
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
4/12/2020
4/13/2020
4/14/2020
4/15/2020
4/16/2020
4/17/2020
4/18/2020
4/19/2020
4/20/2020
4/21/2020
4/22/2020
4/23/2020
4/24/2020
4/25/2020
4/26/2020
4/27/2020
4/28/2020
4/29/2020
4/30/2020
5/1/2020
5/2/2020
5/3/2020
5/4/2020
5/5/2020
5/6/2020
5/7/2020
5/8/2020
5/9/2020
5/10/2020
5/11/2020
5/12/2020
5/13/2020
5/14/2020
5/15/2020
5/16/2020
5/17/2020
5/18/2020
5/19/2020
5/20/2020
5/21/2020
5/22/2020
5/23/2020
5/24/2020
5/25/2020
5/26/2020
5/27/2020
5/28/2020
5/29/2020
5/30/2020
5/31/2020
6/1/2020
6/2/2020
6/3/2020
6/4/2020
6/5/2020
6/6/2020
6/7/2020
6/8/2020
6/9/2020
6/10/2020
6/11/2020
6/12/2020
6/13/2020
6/14/2020
6/15/2020
6/16/2020
6/17/2020
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
7/11/2020
7/12/2020
7/13/2020
7/14/2020
7/15/2020
7/16/2020
7/17/2020
7/18/2020
7/19/2020
7/20/2020
7/21/2020
7/22/2020
7/23/2020
7/24/2020
7/25/2020
7/26/2020
7/27/2020
7/28/2020
7/29/2020
7/30/2020
7/31/2020
8/1/2020
8/2/2020
8/3/2020
8/4/2020
8/5/2020
8/6/2020
8/7/2020
8/8/2020
8/9/2020
8/10/2020
8/11/2020
8/12/2020
8/13/2020
8/14/2020
8/15/2020
8/16/2020
8/17/2020
8/18/2020
8/19/2020
8/20/2020
8/21/2020
8/22/2020
8/23/2020
8/24/2020
8/25/2020
8/26/2020
8/27/2020
8/28/2020
8/29/2020
8/30/2020
8/31/2020
9/1/2020
9/2/2020
9/3/2020
9/4/2020
9/5/2020
9/6/2020
9/7/2020
9/8/2020
9/9/2020
9/10/2020
9/11/2020
9/12/2020
9/13/2020
9/14/2020
9/15/2020
9/16/2020
9/17/2020
9/18/2020
9/19/2020
9/20/2020
9/21/2020
9/22/2020
9/23/2020
9/24/2020
9/25/2020
9/26/2020
9/27/2020
9/28/2020
9/29/2020
9/30/2020



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2019 7:55 AM 0.05 M M M M Raining now
10/2/2019 7:52 AM 0.32 M M M M Still gentle rainy & near by foggy
10/4/2019 7:38 AM 0.02 M M M M
10/5/2019 7:48 AM 0.02 M M M M
10/6/2019 7:00 AM T M M M M
10/7/2019 7:00 AM 0.00 0.0 M M M
10/8/2019 7:00 AM 0.00 0.0 M M M
10/9/2019 7:37 AM 0.00 M M M M
10/10/2019 7:58 AM 0.29 2.0 M 2.0 M
10/11/2019 7:53 AM 0.29 2.9 0.11 2.9 0.11
10/12/2019 6:26 AM 0.00 M 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 7:42 AM 0.00 M M M M
10/18/2019 7:06 AM 0.00 M M M M
10/19/2019 7:40 AM 0.00 M 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
10/22/2019 7:00 AM 0.00 0.0 M M M
10/23/2019 7:43 AM 0.00 M M M M
10/24/2019 8:00 AM M 5.2 0.50 5.2 0.50 (Edit: daily precip initially recorded as 5.20". changed to NA as this is a snowfall total. observer will be contacted. PG)
10/25/2019 7:43 AM T M M M M
10/26/2019 7:44 AM 0.00 M M M M
10/27/2019 7:00 AM 0.11 M 0.11 M M
10/28/2019 7:00 AM 0.46 7.5 0.46 7.5 0.46
10/29/2019 7:00 AM 0.20 3.0 0.20 M M
10/30/2019 7:00 AM 0.28 6.0 0.28 M M
10/31/2019 7:59 AM T M M M M
11/1/2019 7:47 AM 0.00 M M M M
11/2/2019 7:53 AM 0.00 M 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
11/6/2019 7:32 AM 0.00 M M M M
11/7/2019 8:44 AM 0.12 M M M M (edit: daily precip initially recorded as 1.12". changed to NA. observer will be contacted. PG)
11/8/2019 7:43 AM 0.00 M M M M
11/9/2019 7:38 AM 0.00 M M M M
11/10/2019 7:00 AM 0.00 0.0 M M M
11/11/2019 7:00 AM 0.12 2.5 0.12 M M
11/12/2019 7:00 AM T M M M M
11/13/2019 7:21 AM 0.00 M M M M
11/14/2019 7:54 AM T M M M M
11/15/2019 7:48 AM 0.00 M M M M
11/16/2019 7:47 AM 0.00 M M M M
11/17/2019 7:00 AM 0.00 0.0 M M M
11/18/2019 7:00 AM 0.00 0.0 M M M
11/19/2019 7:00 AM 0.00 0.0 M M M
11/20/2019 7:48 AM 0.00 M M M M
11/22/2019 7:47 AM 0.20 M M 1.9 0.20 Hilberg’s tips 0.2
11/23/2019 7:48 AM 0.00 M M M M
11/24/2019 7:00 AM 0.00 0.0 M M M
11/25/2019 7:00 AM 0.00 0.0 M M M
11/26/2019 7:00 AM 1.25 16.0 1.25 M M
11/27/2019 7:00 AM 0.50 M M M M
11/28/2019 7:00 AM 0.00 0.0 M M M
11/29/2019 7:00 AM 0.00 0.0 M M M
11/30/2019 7:00 AM 0.06 M M M M
12/1/2019 7:00 AM 0.00 0.0 M M M
12/2/2019 7:00 AM 0.00 0.0 M M M
12/3/2019 7:00 AM 0.00 0.0 M M M
12/4/2019 7:48 AM 0.00 M M M M
12/5/2019 7:34 AM 0.00 M M M M
12/6/2019 7:31 AM 0.17 M M M M Condensation
12/7/2019 7:48 AM 0.00 M M M M
12/8/2019 7:00 AM 0.00 0.0 M M M
12/9/2019 7:00 AM 0.00 0.0 M M M
12/12/2019 7:50 AM 0.00 M M M M
12/13/2019 7:00 AM 0.00 0.0 M M M
12/14/2019 6:54 AM T T T T T
12/15/2019 7:00 AM 0.02 M M M M
12/16/2019 7:00 AM 0.00 0.0 M M M
12/17/2019 7:00 AM 0.00 0.0 M M M
12/18/2019 7:18 AM 0.00 M M M M
12/19/2019 7:16 AM 0.00 M M M M
12/20/2019 7:32 AM 0.00 M M M M
12/21/2019 7:31 AM 0.00 0.0 M M M
12/22/2019 7:00 AM 0.00 0.0 M M M
12/23/2019 7:00 AM 0.00 0.0 M M M
12/24/2019 7:00 AM 0.00 0.0 M M M
12/25/2019 7:44 AM 0.00 M M M M
12/26/2019 7:50 AM T M M M M Foggy
12/27/2019 7:41 AM 0.00 M M M M
12/28/2019 7:57 AM M 2.5 M 2.5 M I was unable to measure melted snow as i’d failed to remove the funnel & inner core of the gauge. The snowfall here appears quite dry. Apologies...
12/29/2019 7:00 AM 0.02 M M M M
12/30/2019 7:00 AM 0.00 0.0 M M M
12/31/2019 7:00 AM 0.00 0.0 M M M
1/1/2020 7:54 AM 0.00 M M M M
1/2/2020 7:48 AM 0.00 M M M M
1/3/2020 6:31 AM 0.00 M M M M
1/4/2020 7:55 AM 0.00 M M M M
1/5/2020 7:00 AM 0.00 0.0 M M M
1/6/2020 7:00 AM 0.00 0.0 M M M
1/7/2020 7:00 AM 0.00 0.0 M M M
1/8/2020 7:53 AM 0.00 M M M M
1/9/2020 7:49 AM 0.00 M M M M
1/10/2020 7:50 AM 0.00 M M M M
1/11/2020 7:51 AM 0.00 M M M M
1/12/2020 7:00 AM 0.00 0.0 M M M
1/13/2020 7:00 AM M M M M M
1/14/2020 7:00 AM M M M M M
1/15/2020 7:52 AM 0.00 M M M M
1/16/2020 7:41 AM 0.00 M M M M
1/17/2020 7:59 AM 0.00 M M M M
1/18/2020 7:30 AM 0.00 M M M M
1/19/2020 7:00 AM M M M M M
1/20/2020 7:00 AM M M M M M
1/21/2020 7:00 AM M M M M M
1/22/2020 7:48 AM 0.00 M M M M
1/23/2020 7:32 AM 0.00 M M M M
1/24/2020 9:14 AM 0.00 M M M M
1/25/2020 7:56 AM 0.00 M M M M
1/26/2020 7:00 AM 0.00 0.0 M M M
1/27/2020 7:00 AM 0.00 0.0 M M M
1/28/2020 7:00 AM 0.00 0.0 M M M
1/29/2020 7:51 AM 0.00 M M M M
1/30/2020 7:41 AM 0.00 M M M M
1/31/2020 8:00 AM 0.00 M M M M
2/2/2020 7:00 AM 0.00 0.0 M M M
2/3/2020 7:00 AM 0.05 M M M M
2/4/2020 8:00 AM M 6.5 M 6.5 M
2/5/2020 8:00 AM M 6.5 M 6.5 M EDIT: 6.50" precip set to NA pending followup with observer. Snowfall also entered as precip. TSoG corrected to 6.5 from 65.0. OST 2/05/2020 8:02 AM -CCR Staff SDH-
2/6/2020 8:38 AM T M T M M
2/7/2020 7:40 AM 0.32 M 0.32 3.5 0.32 Accumulated snow level difficult to measure due to many variables. This morning I cleared an area for area to report tomorrow am. Melted core using Hilberg’s tips. Suggestions welcome!
2/8/2020 7:28 AM M 0.8 0.09 5.2 M New snow melted core from Hilberg’s Tips
2/9/2020 6:56 AM 0.08 1.0 0.08 1.0 0.08 Significant fog, no accumulated snow
2/10/2020 7:47 AM 0.22 1.5 0.22 2.5 M
2/11/2020 8:07 AM M 6.5 0.42 7.5 0.42 Using Hilberg’s tips, 549 g = 0.42 //EDIT: 7.50" precip set to NA pending followup with observer. Total snow on ground reported as precip. OST 2/11/2020 8:13 AM -CCR Staff SDH-
2/13/2020 7:55 AM 0.19 2.0 0.19 M M
2/14/2020 7:52 AM 0.00 M M M M Accumulated snow 2.8 inches with gauge with frost
2/15/2020 7:43 AM 0.00 M M M M
2/16/2020 7:15 AM 0.00 M M M M
2/17/2020 7:52 AM 0.00 M M M M
2/18/2020 8:00 AM 0.23 0.3 0.02 M M
2/19/2020 7:50 AM 0.00 M M M M
2/20/2020 7:54 AM 0.21 3.4 M M M
2/21/2020 7:51 AM 0.00 M M M M
2/22/2020 7:42 AM 0.00 M M M M
2/23/2020 7:00 AM 0.00 0.0 M M M
2/24/2020 7:00 AM T M M M M
2/25/2020 7:00 AM 0.00 0.0 M M M
2/26/2020 7:41 AM 0.00 M M M M
2/27/2020 7:48 AM 0.00 M M M M
2/28/2020 7:49 AM 0.00 M M M M
2/29/2020 7:47 AM 0.00 M M M M
3/1/2020 7:00 AM 0.00 0.0 M M M
3/2/2020 7:00 AM 0.42 M M M M
3/3/2020 7:00 AM 0.00 0.0 M M M
3/4/2020 7:58 AM 0.00 M M M M
3/5/2020 7:59 AM 0.00 M M M M
3/6/2020 7:51 AM 0.00 M M M M
3/7/2020 7:16 AM 0.00 M M M M
3/8/2020 7:00 AM 0.00 0.0 M M M
3/9/2020 7:00 AM 0.17 M M M M
3/10/2020 7:00 AM 0.00 0.0 M M M
3/11/2020 6:58 AM 0.00 M M M M
3/12/2020 7:00 AM 0.00 0.0 M M M
3/13/2020 7:00 AM 0.00 0.0 M M M
3/14/2020 7:00 AM 0.11 M M M M
3/15/2020 7:00 AM 0.00 0.0 M M M
3/16/2020 7:00 AM 0.00 0.0 M M M
3/17/2020 7:00 AM T M M M M
3/18/2020 7:50 AM 0.00 M M M M Very modest condensatiom
3/19/2020 7:45 AM 0.32 M M M M
3/20/2020 7:58 AM M M M 5.2 1.53 (edit: daily precip initially recorded as 5.2". changed to NA as this appears to be a snow total. observer contacted. PG)
3/21/2020 7:00 AM 0.03 M M M M
3/22/2020 7:00 AM 0.00 0.0 M M M
3/23/2020 7:00 AM 0.00 0.0 M M M
3/24/2020 7:00 AM 0.00 0.0 M M M
3/25/2020 7:30 AM 0.00 M M M M
3/26/2020 7:47 AM 0.00 M M M M
3/27/2020 7:50 AM 0.00 M M M M
3/28/2020 7:54 AM 0.28 0.4 M M M
3/29/2020 7:00 AM 0.00 0.0 M M M
3/30/2020 7:00 AM 0.00 0.0 M M M
3/31/2020 7:00 AM 0.00 0.0 M M M
4/1/2020 7:53 AM 0.00 M M M M
4/2/2020 8:06 AM 0.06 M M M M Frozen inside wide gauge
4/3/2020 8:04 AM 0.04 0.4 M M M
4/4/2020 7:00 AM 0.00 0.0 M M M
4/5/2020 7:00 AM 0.00 0.0 M M M
4/6/2020 7:00 AM 0.00 0.0 M M M
4/7/2020 7:00 AM 0.00 0.0 M M M
4/8/2020 7:52 AM 0.00 M M M M
4/9/2020 7:41 AM 0.00 M M M M
4/10/2020 7:06 AM 0.00 M M M M In this current time this is the last data entry from CO BO 445. Thanks to CoCoRaHS for your welcoming support.??????



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/10/2019 12/11/2019 7:47 AM 2 0.00 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