CoCoRaHS Station WYS : CO-BO-472

2019 CoCoRaHS Water Year Summary for Station CO-BO-472 Report generated on October 14, 2020

Station Overview		Station Location
Station Number	CO-BO-472	Latitude	40.02404
Station Name	Boulder 1.3 W	Longitude	-105.27598
County	Boulder	Elevation (ft)	5425

Water Year Overview
Days in Water Year
Daily Prcp Observations
Multiday Prcp Observations
Hail Observations
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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	1.28	2.04	14	1.65	5	0.39	9	2	5	0	6.0	1	0
Nov 18	0.97	0.68	2	0.68	2	0.00	0	0	2	0	1.4	1	1
Dec 18	0.76	0.00	0	0.00	0	0.00	0	0	0	0	0.0	0	0
Jan 19	0.60	1.43	8	0.69	5	0.74	3	1	5	0	8.5	3	1
Feb 19	0.61	0.43	8	0.39	3	0.04	5	1	3	0	5.5	2	1
March 19	1.83	1.92	10	0.57	5	1.35	5	2	5	0	3.5	1	1
April 19	2.26	1.44	11	0.97	4	0.47	7	1	3	0	6.2	3	0
May 19	2.55	2.53	22	1.79	8	0.74	14	3	8	0	0.0	0	0
June 19	2.38	1.07	9	1.04	6	0.03	3	1	5	1	0.0	0	0
July 19	1.64	2.31	16	2.30	13	0.01	3	1	9	4	0.0	0	0
Aug 19	1.82	0.26	6	0.26	6	0.00	0	0	5	1	0.0	0	0
Sept 19	1.47	1.05	11	0.84	5	0.21	6	1	5	0	0.0	0	0
Water Year Totals:	18.17"	15.16"	117 days	11.18"	62	3.98"	55 days	13	55 days	6 days	31.1"	11 days	4 days

Water Year Overview
Days in Water Year
Daily Prcp Observations
Multiday Prcp Observations
Hail Observations
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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		**
10/2/2018		**
10/3/2018		**
10/4/2018		**
10/5/2018		**
10/6/2018		**
10/7/2018		0.15
10/8/2018	0.47
10/9/2018	0.20
10/10/2018	0.28
10/11/2018		**
10/12/2018		0.24
10/13/2018
10/14/2018	0.44
10/15/2018
10/16/2018
10/17/2018
10/18/2018
10/19/2018
10/20/2018
10/21/2018
10/22/2018
10/23/2018
10/24/2018
10/25/2018
10/26/2018
10/27/2018
10/28/2018
10/29/2018
10/30/2018
10/31/2018	0.26
11/1/2018
11/2/2018
11/3/2018
11/4/2018
11/5/2018
11/6/2018
11/7/2018
11/8/2018
11/9/2018
11/10/2018
11/11/2018	0.62
11/12/2018	0.06
11/13/2018
11/14/2018
11/15/2018
11/16/2018
11/17/2018
11/18/2018
11/19/2018
11/20/2018
11/21/2018
11/22/2018
11/23/2018
11/24/2018
11/25/2018
11/26/2018
11/27/2018
11/28/2018
11/29/2018
11/30/2018
12/1/2018
12/2/2018
12/3/2018
12/4/2018
12/5/2018
12/6/2018
12/7/2018
12/8/2018
12/9/2018
12/10/2018
12/11/2018
12/12/2018
12/13/2018
12/14/2018
12/15/2018
12/16/2018
12/17/2018
12/18/2018
12/19/2018
12/20/2018
12/21/2018
12/22/2018
12/23/2018
12/24/2018
12/25/2018
12/26/2018
12/27/2018
12/28/2018
12/29/2018
12/30/2018
12/31/2018

Day of Year	Daily Prcp	Multiday Prcp
1/1/2019	0.14
1/2/2019
1/3/2019
1/4/2019
1/5/2019
1/6/2019
1/7/2019
1/8/2019
1/9/2019
1/10/2019		**
1/11/2019		**
1/12/2019		0.74
1/13/2019
1/14/2019
1/15/2019
1/16/2019
1/17/2019
1/18/2019
1/19/2019	0.13
1/20/2019
1/21/2019
1/22/2019	0.12
1/23/2019
1/24/2019
1/25/2019	0.08
1/26/2019
1/27/2019
1/28/2019	0.22
1/29/2019
1/30/2019
1/31/2019
2/1/2019
2/2/2019
2/3/2019
2/4/2019
2/5/2019
2/6/2019
2/7/2019	0.24
2/8/2019
2/9/2019
2/10/2019
2/11/2019
2/12/2019
2/13/2019
2/14/2019
2/15/2019
2/16/2019
2/17/2019		**
2/18/2019		**
2/19/2019		**
2/20/2019		**
2/21/2019		0.04
2/22/2019	0.05
2/23/2019	0.10
2/24/2019
2/25/2019
2/26/2019
2/27/2019
2/28/2019
3/1/2019
3/2/2019		**
3/3/2019		0.38
3/4/2019	0.05
3/5/2019
3/6/2019
3/7/2019	0.07
3/8/2019
3/9/2019
3/10/2019
3/11/2019
3/12/2019		**
3/13/2019		**
3/14/2019		0.97
3/15/2019
3/16/2019
3/17/2019
3/18/2019
3/19/2019
3/20/2019
3/21/2019
3/22/2019
3/23/2019	0.05
3/24/2019
3/25/2019
3/26/2019
3/27/2019
3/28/2019
3/29/2019	0.05
3/30/2019	0.35
3/31/2019

Day of Year	Daily Prcp	Multiday Prcp
4/1/2019
4/2/2019
4/3/2019
4/4/2019
4/5/2019
4/6/2019
4/7/2019
4/8/2019
4/9/2019
4/10/2019
4/11/2019	0.57
4/12/2019
4/13/2019	0.10
4/14/2019
4/15/2019
4/16/2019
4/17/2019		**
4/18/2019		**
4/19/2019		**
4/20/2019		**
4/21/2019		**
4/22/2019		**
4/23/2019		0.47
4/24/2019
4/25/2019
4/26/2019
4/27/2019
4/28/2019
4/29/2019	0.00
4/30/2019	0.30
5/1/2019	0.09
5/2/2019
5/3/2019
5/4/2019
5/5/2019
5/6/2019
5/7/2019	0.06
5/8/2019	0.09
5/9/2019		**
5/10/2019		**
5/11/2019		**
5/12/2019		**
5/13/2019		**
5/14/2019		**
5/15/2019		**
5/16/2019		**
5/17/2019		0.49
5/18/2019	0.14
5/19/2019
5/20/2019	0.13
5/21/2019	0.96
5/22/2019
5/23/2019	0.20
5/24/2019	0.12
5/25/2019
5/26/2019		**
5/27/2019		**
5/28/2019		0.22
5/29/2019		**
5/30/2019		0.03
5/31/2019
6/1/2019
6/2/2019		**
6/3/2019		**
6/4/2019		0.03
6/5/2019
6/6/2019	0.04
6/7/2019
6/8/2019	0.02
6/9/2019	T
6/10/2019
6/11/2019
6/12/2019
6/13/2019
6/14/2019
6/15/2019
6/16/2019
6/17/2019	0.07
6/18/2019
6/19/2019
6/20/2019
6/21/2019
6/22/2019	0.74
6/23/2019	0.17
6/24/2019
6/25/2019
6/26/2019
6/27/2019
6/28/2019
6/29/2019
6/30/2019

Day of Year	Daily Prcp	Multiday Prcp
7/1/2019	T
7/2/2019	1.29
7/3/2019
7/4/2019
7/5/2019	0.11
7/6/2019	0.29
7/7/2019
7/8/2019	0.01
7/9/2019	T
7/10/2019
7/11/2019
7/12/2019
7/13/2019
7/14/2019	T
7/15/2019	T
7/16/2019	0.02
7/17/2019
7/18/2019
7/19/2019
7/20/2019
7/21/2019	0.23
7/22/2019	0.29
7/23/2019		**
7/24/2019		**
7/25/2019		0.01
7/26/2019
7/27/2019
7/28/2019	0.05
7/29/2019
7/30/2019
7/31/2019	0.01
8/1/2019
8/2/2019	0.03
8/3/2019	0.01
8/4/2019
8/5/2019
8/6/2019	0.05
8/7/2019
8/8/2019
8/9/2019	0.16
8/10/2019	0.01
8/11/2019	T
8/12/2019
8/13/2019
8/14/2019
8/15/2019
8/16/2019
8/17/2019
8/18/2019
8/19/2019
8/20/2019
8/21/2019
8/22/2019
8/23/2019
8/24/2019
8/25/2019
8/26/2019
8/27/2019
8/28/2019
8/29/2019
8/30/2019
8/31/2019
9/1/2019
9/2/2019
9/3/2019
9/4/2019
9/5/2019
9/6/2019
9/7/2019	0.07
9/8/2019
9/9/2019	0.15
9/10/2019
9/11/2019	0.40
9/12/2019		**
9/13/2019		**
9/14/2019		**
9/15/2019		**
9/16/2019		**
9/17/2019		0.21
9/18/2019
9/19/2019
9/20/2019
9/21/2019
9/22/2019
9/23/2019
9/24/2019
9/25/2019
9/26/2019
9/27/2019
9/28/2019	0.21
9/29/2019
9/30/2019	0.01

Water Year Overview
Days in Water Year
Daily Prcp Observations
Multiday Prcp Observations
Hail Observations
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Observation Date	Observation Time	Precipitation	Snowfall	Snowfall SWE	Snow Depth	Snow SWE	Notes
10/8/2018	12:30 PM	0.47	M	M	M	M
10/9/2018	12:30 PM	0.20	M	M	M	M
10/10/2018	12:30 PM	0.28	M	M	M	M
10/14/2018	12:00 PM	0.44	6.0	M	M	M
10/31/2018	11:00 AM	0.26	M	M	M	M	was a dusting of snow but melted so not able to comment on snow measurement
11/11/2018	3:00 PM	0.62	M	M	11.0	M
11/12/2018	11:00 AM	0.06	1.4	M	M	M
1/1/2019	8:00 AM	0.14	2.5	M	2.5	M
1/19/2019	10:00 AM	0.13	M	M	M	M
1/22/2019	11:00 AM	0.12	M	M	M	M
1/25/2019	7:00 AM	0.08	2.5	M	M	M
1/28/2019	3:00 PM	0.22	3.5	M	M	M
2/7/2019	7:00 AM	0.24	4.5	M	M	M
2/22/2019	11:00 AM	0.05	1.0	M	M	M
2/23/2019	11:00 AM	0.10	M	M	2.0	M
3/4/2019	11:00 AM	0.05	M	M	M	M	dusting of snow
3/7/2019	8:00 AM	0.07	M	M	M	M	dusting of snow/sleet
3/23/2019	4:00 PM	0.05	M	M	M	M
3/29/2019	9:00 AM	0.05	M	M	M	M
3/30/2019	9:00 AM	0.35	3.5	M	3.5	M	rain and snow
4/11/2019	7:00 AM	0.57	2.7	M	M	M	rain and snow event
4/13/2019	7:00 AM	0.10	0.7	M	M	M	snow mostly melted
4/29/2019	12:00 AM	0.00	0.0	M	M	M	dusting of snow was melted by daylight
4/30/2019	7:00 AM	0.30	2.8	M	M	M
5/1/2019	7:00 AM	0.09	M	M	M	M
5/7/2019	7:00 AM	0.06	M	M	M	M
5/8/2019	7:00 AM	0.09	M	M	M	M
5/18/2019	7:00 AM	0.14	M	M	M	M
5/20/2019	8:00 AM	0.13	M	M	M	M
5/21/2019	8:00 AM	0.96	M	M	M	M	heavy wet snow 2.5 to 3.5 inch
5/23/2019	8:00 AM	0.20	M	M	M	M
5/24/2019	8:00 AM	0.12	M	M	M	M
6/6/2019	8:00 AM	0.04	M	M	M	M
6/8/2019	8:00 AM	0.02	M	M	M	M
6/9/2019	8:00 AM	T	M	M	M	M
6/17/2019	11:00 AM	0.07	M	M	M	M
6/22/2019	8:30 AM	0.74	M	M	M	M	There was also hail at 10:12pm Friday June 22nd. It was pea size and lasted a few minutes.
6/23/2019	8:30 AM	0.17	M	M	M	M
7/1/2019	7:00 AM	T	M	M	M	M
7/2/2019	8:00 AM	1.29	M	M	M	M
7/5/2019	8:00 AM	0.11	M	M	M	M
7/6/2019	8:00 AM	0.29	M	M	M	M
7/8/2019	8:00 AM	0.01	M	M	M	M
7/9/2019	7:00 AM	T	M	M	M	M
7/14/2019	7:00 AM	T	M	M	M	M
7/15/2019	11:00 AM	T	M	M	M	M
7/16/2019	8:00 AM	0.02	M	M	M	M
7/21/2019	8:00 AM	0.23	M	M	M	M
7/22/2019	8:00 AM	0.29	M	M	M	M
7/28/2019	7:30 AM	0.05	M	M	M	M
7/31/2019	1:00 PM	0.01	M	M	M	M
8/2/2019	8:00 AM	0.03	M	M	M	M
8/3/2019	8:00 AM	0.01	M	M	M	M
8/6/2019	7:00 AM	0.05	M	M	M	M
8/9/2019	7:00 AM	0.16	M	M	M	M
8/10/2019	10:00 AM	0.01	M	M	M	M
8/11/2019	10:00 AM	T	M	M	M	M
9/7/2019	7:00 AM	0.07	M	M	M	M
9/9/2019	7:00 AM	0.15	M	M	M	M
9/11/2019	11:00 AM	0.40	M	M	M	M	Also small hail event pea size early evening for a few minutes in waves
9/28/2019	7:00 AM	0.21	M	M	M	M
9/30/2019	6:00 PM	0.01	M	M	M	M

Water Year Overview
Days in Water Year
Daily Prcp Observations
Multiday Prcp Observations
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Start Date	End Date & Time	Duration in Days	Precipitation	Snow Depth	Snow Depth SWE	Notes
9/29/2018	10/07/2018 10:00 AM	9	0.15	M	M
10/11/2018	10/12/2018 11:00 AM	2	0.24	M	M
1/10/2019	1/12/2019 7:00 AM	3	0.74	M	M
2/17/2019	2/21/2019 11:00 AM	5	0.04	M	M
3/2/2019	3/03/2019 11:00 AM	2	0.38	5.3	M
3/12/2019	3/14/2019 11:00 AM	3	0.97	M	M	rain and snow however not able to measure snow on ground as most melted
4/17/2019	4/23/2019 7:00 AM	7	0.47	M	M
5/9/2019	5/17/2019 7:00 AM	9	0.49	M	M
5/26/2019	5/28/2019 8:00 AM	3	0.22	M	M
5/29/2019	5/30/2019 7:00 AM	2	0.03	M	M
6/2/2019	6/04/2019 8:00 AM	3	0.03	M	M
7/23/2019	7/25/2019 8:00 PM	3	0.01	M	M
9/12/2019	9/17/2019 8:00 AM	6	0.21	M	M

Water Year Overview
Days in Water Year
Daily Prcp Observations
Multiday Prcp Observations
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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
6/17/2019	2:45 PM		NA	NA	Rice	White Ice	10		no damage	Intermittent	True	After rain	Same time as smaller hail
7/5/2019	7:12 PM		1" Quarter Size	1/4" Pea Size	1/4" Pea Size	Mixed\|White Ice	15	2min	no damage	Continuous	True	After rain	Before smaller hail	vertical