CoCoRaHS Station WYS : CO-BO-76

2013 CoCoRaHS Water Year Summary for Station CO-BO-76 Report generated on October 5, 2019

Station Overview		Station Location
Station Number	CO-BO-76	Latitude	40.0786
Station Name	Niwot 1.8 SSW	Longitude	-105.1808
County	Boulder	Elevation (ft)	5190

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	Days With Prcp	Days With Trace	Total Snowfall	Days With Snowfall	Days With Snow On Ground
Oct 12	1.04	0.61	17	0.61	17	0.00	0	1	0	4.4	1	1
Nov 12	0.81	0.00	0	0.00	0	0.00	0	0	0	0.0	0	0
Dec 12	0.64	0.00	0	0.00	0	0.00	0	0	0	0.0	0	0
Jan 13	0.50	0.00	0	0.00	0	0.00	0	0	0	0.0	0	0
Feb 13	0.55	0.23	1	0.23	1	0.00	0	1	0	4.1	1	1
March 13	1.62	0.89	2	0.89	2	0.00	0	2	0	11.4	2	2
April 13	1.97	0.21	1	0.21	1	0.00	0	1	0	2.6	1	1
May 13	2.27	1.40	2	1.40	2	0.00	0	2	0	9.2	2	2
June 13	1.85	0.00	0	0.00	0	0.00	0	0	0	0.0	0	0
July 13	1.48	0.00	0	0.00	0	0.00	0	0	0	0.0	0	0
Aug 13	1.50	1.62	1	1.62	1	0.00	0	1	0	0.0	0	0
Sept 13	1.52	10.90	16	10.90	16	0.00	0	8	0	0.0	0	0
Water Year Totals:	15.75"	15.86"	40 days	15.86"	40	0.00"	0 days	16 days	0 days	31.7"	7 days	7 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
10/1/2012
10/2/2012
10/3/2012	0.00
10/4/2012	0.00
10/5/2012
10/6/2012
10/7/2012
10/8/2012	0.00
10/9/2012	0.00
10/10/2012	0.00
10/11/2012	0.00
10/12/2012	0.00
10/13/2012
10/14/2012
10/15/2012	0.00
10/16/2012	0.00
10/17/2012
10/18/2012	0.00
10/19/2012	0.00
10/20/2012	0.00
10/21/2012	0.00
10/22/2012	0.00
10/23/2012	0.00
10/24/2012	0.00
10/25/2012	0.61
10/26/2012
10/27/2012
10/28/2012
10/29/2012
10/30/2012
10/31/2012
11/1/2012
11/2/2012
11/3/2012
11/4/2012
11/5/2012
11/6/2012
11/7/2012
11/8/2012
11/9/2012
11/10/2012
11/11/2012
11/12/2012
11/13/2012
11/14/2012
11/15/2012
11/16/2012
11/17/2012
11/18/2012
11/19/2012
11/20/2012
11/21/2012
11/22/2012
11/23/2012
11/24/2012
11/25/2012
11/26/2012
11/27/2012
11/28/2012
11/29/2012
11/30/2012
12/1/2012
12/2/2012
12/3/2012
12/4/2012
12/5/2012
12/6/2012
12/7/2012
12/8/2012
12/9/2012
12/10/2012
12/11/2012
12/12/2012
12/13/2012
12/14/2012
12/15/2012
12/16/2012
12/17/2012
12/18/2012
12/19/2012
12/20/2012
12/21/2012
12/22/2012
12/23/2012
12/24/2012
12/25/2012
12/26/2012
12/27/2012
12/28/2012
12/29/2012
12/30/2012
12/31/2012

Day of Year	Daily Prcp	Multiday Prcp
1/1/2013
1/2/2013
1/3/2013
1/4/2013
1/5/2013
1/6/2013
1/7/2013
1/8/2013
1/9/2013
1/10/2013
1/11/2013
1/12/2013
1/13/2013
1/14/2013
1/15/2013
1/16/2013
1/17/2013
1/18/2013
1/19/2013
1/20/2013
1/21/2013
1/22/2013
1/23/2013
1/24/2013
1/25/2013
1/26/2013
1/27/2013
1/28/2013
1/29/2013
1/30/2013
1/31/2013
2/1/2013
2/2/2013
2/3/2013
2/4/2013
2/5/2013
2/6/2013
2/7/2013
2/8/2013
2/9/2013
2/10/2013
2/11/2013
2/12/2013
2/13/2013
2/14/2013
2/15/2013
2/16/2013
2/17/2013
2/18/2013
2/19/2013
2/20/2013
2/21/2013
2/22/2013
2/23/2013
2/24/2013	0.23
2/25/2013
2/26/2013
2/27/2013
2/28/2013
3/1/2013
3/2/2013
3/3/2013
3/4/2013
3/5/2013
3/6/2013
3/7/2013
3/8/2013
3/9/2013
3/10/2013
3/11/2013
3/12/2013	0.30
3/13/2013
3/14/2013
3/15/2013
3/16/2013
3/17/2013
3/18/2013
3/19/2013
3/20/2013
3/21/2013
3/22/2013
3/23/2013	0.59
3/24/2013
3/25/2013
3/26/2013
3/27/2013
3/28/2013
3/29/2013
3/30/2013
3/31/2013

Day of Year	Daily Prcp	Multiday Prcp
4/1/2013
4/2/2013
4/3/2013
4/4/2013
4/5/2013
4/6/2013
4/7/2013
4/8/2013
4/9/2013
4/10/2013
4/11/2013
4/12/2013
4/13/2013
4/14/2013
4/15/2013	0.21
4/16/2013
4/17/2013
4/18/2013
4/19/2013
4/20/2013
4/21/2013
4/22/2013
4/23/2013
4/24/2013
4/25/2013
4/26/2013
4/27/2013
4/28/2013
4/29/2013
4/30/2013
5/1/2013	0.83
5/2/2013	0.57
5/3/2013
5/4/2013
5/5/2013
5/6/2013
5/7/2013
5/8/2013
5/9/2013
5/10/2013
5/11/2013
5/12/2013
5/13/2013
5/14/2013
5/15/2013
5/16/2013
5/17/2013
5/18/2013
5/19/2013
5/20/2013
5/21/2013
5/22/2013
5/23/2013
5/24/2013
5/25/2013
5/26/2013
5/27/2013
5/28/2013
5/29/2013
5/30/2013
5/31/2013
6/1/2013
6/2/2013
6/3/2013
6/4/2013
6/5/2013
6/6/2013
6/7/2013
6/8/2013
6/9/2013
6/10/2013
6/11/2013
6/12/2013
6/13/2013
6/14/2013
6/15/2013
6/16/2013
6/17/2013
6/18/2013
6/19/2013
6/20/2013
6/21/2013
6/22/2013
6/23/2013
6/24/2013
6/25/2013
6/26/2013
6/27/2013
6/28/2013
6/29/2013
6/30/2013

Day of Year	Daily Prcp	Multiday Prcp
7/1/2013
7/2/2013
7/3/2013
7/4/2013
7/5/2013
7/6/2013
7/7/2013
7/8/2013
7/9/2013
7/10/2013
7/11/2013
7/12/2013
7/13/2013
7/14/2013
7/15/2013
7/16/2013
7/17/2013
7/18/2013
7/19/2013
7/20/2013
7/21/2013
7/22/2013
7/23/2013
7/24/2013
7/25/2013
7/26/2013
7/27/2013
7/28/2013
7/29/2013
7/30/2013
7/31/2013
8/1/2013
8/2/2013
8/3/2013
8/4/2013	1.62
8/5/2013
8/6/2013
8/7/2013
8/8/2013
8/9/2013
8/10/2013
8/11/2013
8/12/2013
8/13/2013
8/14/2013
8/15/2013
8/16/2013
8/17/2013
8/18/2013
8/19/2013
8/20/2013
8/21/2013
8/22/2013
8/23/2013
8/24/2013
8/25/2013
8/26/2013
8/27/2013
8/28/2013
8/29/2013
8/30/2013
8/31/2013
9/1/2013
9/2/2013	0.00
9/3/2013	0.00
9/4/2013	0.00
9/5/2013	0.00
9/6/2013	0.00
9/7/2013	0.00
9/8/2013	0.00
9/9/2013	0.00
9/10/2013	1.31
9/11/2013	0.61
9/12/2013	4.41
9/13/2013	2.78
9/14/2013	0.09
9/15/2013	0.12
9/16/2013	1.47
9/17/2013	0.11
9/18/2013
9/19/2013
9/20/2013
9/21/2013
9/22/2013
9/23/2013
9/24/2013
9/25/2013
9/26/2013
9/27/2013
9/28/2013
9/29/2013
9/30/2013

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
10/3/2012	7:00 AM	0.00	0.0	M	M	M
10/4/2012	7:00 AM	0.00	0.0	M	M	M
10/8/2012	7:00 AM	0.00	0.0	M	M	M
10/9/2012	7:00 AM	0.00	0.0	M	M	M
10/10/2012	7:00 AM	0.00	0.0	M	M	M
10/11/2012	7:00 AM	0.00	0.0	M	M	M
10/12/2012	7:00 AM	0.00	0.0	M	M	M
10/15/2012	7:00 AM	0.00	0.0	M	M	M
10/16/2012	7:00 AM	0.00	0.0	M	M	M
10/18/2012	7:00 AM	0.00	0.0	M	M	M
10/19/2012	7:00 AM	0.00	0.0	M	M	M
10/20/2012	7:00 AM	0.00	0.0	M	M	M
10/21/2012	7:00 AM	0.00	0.0	M	M	M
10/22/2012	7:00 AM	0.00	0.0	M	M	M
10/23/2012	7:00 AM	0.00	0.0	M	M	M
10/24/2012	7:00 AM	0.00	0.0	M	M	M
10/25/2012	7:00 AM	0.61	4.4	M	4.0	M	Light rain yesterday afternoon, changed to light snow around5pm, with 1.9/0.37 new at 10pm. Light snow overnight with 2.5/0.24 new at 7am.
2/24/2013	8:45 AM	0.23	4.1	M	5.5	M	Light snow overnight, moderate snow and blowing snow after 6 am. Moderate snow and blowing snow at ob time.
3/12/2013	7:00 AM	0.30	3.9	M	3.5	M	Light snow yesterday evening with 0.12"/1.8" new at 10pm. Light snow overnight with 0.18"/2.1" new at 7am. Light snow at ob time.
3/23/2013	10:00 AM	0.59	7.5	M	6.5	M	Light snow yesterday evening with 2.9"/0.20" new at 11pm. Light to moderate snow overnight and this morning with 4.6"/0.39" new at 10am. Blowing snow and near ground melting making measurements difficult.
4/15/2013	7:30 AM	0.21	2.6	M	2.5	M	Light to moderate snow overnight, moderate snow at ob time.
5/1/2013	7:00 AM	0.83	3.0	M	3.0	M	Light rain yesterday evening with 0.14" at 10 pm, light rain mixed and changed to snow around midnight, snow overnight. 0.69"/3.0" new at 7 am. Snow estimated due to melting.
5/2/2013	7:00 AM	0.57	6.2	M	7.0	M	Light to moderate snow yesterday morning and afternoon, light snow yesterday evening, ended after midnight. Snow measurement probably low due to melting.
8/4/2013	7:00 AM	1.62	M	M	M	M	Thunderstorm with heavy rain and small hail yesterday afternoon, with 1.14" in 15 min and 1.56" total in 45 min. Another 0.06" in thundershower yesterday evening. Hail size 0.25".
9/2/2013	7:00 AM	0.00	0.0	M	M	M
9/3/2013	7:00 AM	0.00	0.0	M	M	M
9/4/2013	7:00 AM	0.00	0.0	M	M	M
9/5/2013	7:00 AM	0.00	0.0	M	M	M
9/6/2013	7:00 AM	0.00	0.0	M	M	M
9/7/2013	7:00 AM	0.00	0.0	M	M	M
9/8/2013	7:00 AM	0.00	0.0	M	M	M
9/9/2013	7:00 AM	0.00	0.0	M	M	M
9/10/2013	7:00 AM	1.31	M	M	M	M	Thunderstorms with light to moderate rain yesterday afternoon and evening. Light rain overnight.
9/11/2013	7:00 AM	0.61	M	M	M	M
9/12/2013	7:00 AM	4.41	M	M	M	M	Showers yesterday morning and afternoon, steady rain with embedded thunderstorms yesterday evening. 2.14" between 6pm and 10:30pm, 0.79" between 10:30pm and 11:30pm, and 1.48" between 11:30pm and 7am.
9/13/2013	7:00 AM	2.78	M	M	M	M	Light to moderate rain all day, with 2.43" new at 10 pm. Light rain ended overnight, with 0.35" new at 7 am.
9/14/2013	7:00 AM	0.09	M	M	M	M	Light rain yesterday morning, light rain shower yesterday afternoon.
9/15/2013	8:00 AM	0.12	M	M	M	M	Light rain showers and thundershowers yesterday afternoon and evening, with 0.06" new at 11 pm. Light rain overnight ended before ob time, with 0.06" new at 8 am.
9/16/2013	7:00 AM	1.47	M	M	M	M	Light to moderate rain yesterday morning and afternoon, with 1.23" new at 11 pm. Light rain overnight with 0.24" new at 7am; light rain at ob time.
9/17/2013	7:00 AM	0.11	M	M	M	M	Light rain yesterday morning.

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

Water Year Overview
Days in Water Year
Daily Prcp Observations
Multiday Prcp Observations
Hail 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
8/3/2013	5:24 PM	No hail pad.	3/8"	1/4" Pea Size	1/4" Pea Size	Hard\|White Ice	5	1min	minor leaf damage	Continuous	True	After rain	Same time as smaller hail	30-40