Station Overview Station Location
Station Number CA-CC-8 Latitude 38.05446
Station Name Crockett 0.7 WNW Longitude -122.232718
County Contra Costa Elevation (ft) 213



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 11 1.05 0.92 31 0.92 31 0.00 0 0 3 0 0.0 0 0
Nov 11 2.65 1.34 24 1.34 24 0.00 0 0 7 1 0.0 0 0
Dec 11 3.86 0.02 1 0.02 1 0.00 0 0 1 0 0.0 0 0
Jan 12 4.07 1.61 1 1.61 1 0.00 0 0 1 0 0.0 0 0
Feb 12 3.93 0.41 1 0.41 1 0.00 0 0 1 0 0.0 0 0
March 12 2.90 4.26 4 4.26 4 0.00 0 0 4 0 0.0 0 0
April 12 1.29 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 12 0.58 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 12 0.14 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 12 0.01 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 12 0.04 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 12 0.15 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 20.67" 8.56" 62 days 8.56" 62 0.00" 0 days 0 17 days 1 days 0.0" 0 days 0 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
10/1/2011 0.00
10/2/2011 0.00
10/3/2011 0.00
10/4/2011 0.18
10/5/2011 0.42
10/6/2011 0.32
10/7/2011 0.00
10/8/2011 0.00
10/9/2011 0.00
10/10/2011 0.00
10/11/2011 0.00
10/12/2011 0.00
10/13/2011 0.00
10/14/2011 0.00
10/15/2011 0.00
10/16/2011 0.00
10/17/2011 0.00
10/18/2011 0.00
10/19/2011 0.00
10/20/2011 0.00
10/21/2011 0.00
10/22/2011 0.00
10/23/2011 0.00
10/24/2011 0.00
10/25/2011 0.00
10/26/2011 0.00
10/27/2011 0.00
10/28/2011 0.00
10/29/2011 0.00
10/30/2011 0.00
10/31/2011 0.00
11/1/2011 0.00
11/2/2011 0.00
11/3/2011 0.00
11/4/2011 0.00
11/5/2011 0.05
11/6/2011 0.73
11/7/2011 T
11/8/2011 0.00
11/9/2011 0.00
11/10/2011 0.00
11/11/2011 0.01
11/12/2011 0.02
11/13/2011 0.00
11/14/2011 0.00
11/15/2011 0.00
11/16/2011 0.00
11/17/2011 0.00
11/18/2011 0.07
11/19/2011 0.00
11/20/2011 0.20
11/21/2011 0.00
11/22/2011 0.00
11/23/2011 0.00
11/24/2011 0.26
11/25/2011
11/26/2011
11/27/2011
11/28/2011
11/29/2011
11/30/2011
12/1/2011
12/2/2011
12/3/2011
12/4/2011
12/5/2011
12/6/2011
12/7/2011
12/8/2011
12/9/2011
12/10/2011
12/11/2011
12/12/2011
12/13/2011
12/14/2011
12/15/2011
12/16/2011
12/17/2011
12/18/2011
12/19/2011
12/20/2011
12/21/2011
12/22/2011
12/23/2011
12/24/2011
12/25/2011
12/26/2011
12/27/2011
12/28/2011
12/29/2011
12/30/2011
12/31/2011 0.02
Day of YearDaily PrcpMultiday Prcp
1/1/2012
1/2/2012
1/3/2012
1/4/2012
1/5/2012
1/6/2012
1/7/2012
1/8/2012
1/9/2012
1/10/2012
1/11/2012
1/12/2012
1/13/2012
1/14/2012
1/15/2012
1/16/2012
1/17/2012
1/18/2012
1/19/2012
1/20/2012
1/21/2012 1.61
1/22/2012
1/23/2012
1/24/2012
1/25/2012
1/26/2012
1/27/2012
1/28/2012
1/29/2012
1/30/2012
1/31/2012
2/1/2012
2/2/2012
2/3/2012
2/4/2012
2/5/2012
2/6/2012
2/7/2012 0.41
2/8/2012
2/9/2012
2/10/2012
2/11/2012
2/12/2012
2/13/2012
2/14/2012
2/15/2012
2/16/2012
2/17/2012
2/18/2012
2/19/2012
2/20/2012
2/21/2012
2/22/2012
2/23/2012
2/24/2012
2/25/2012
2/26/2012
2/27/2012
2/28/2012
2/29/2012
3/1/2012
3/2/2012
3/3/2012
3/4/2012
3/5/2012
3/6/2012
3/7/2012
3/8/2012
3/9/2012
3/10/2012
3/11/2012
3/12/2012
3/13/2012
3/14/2012 0.88
3/15/2012
3/16/2012 M
3/17/2012 1.25
3/18/2012
3/19/2012
3/20/2012
3/21/2012
3/22/2012
3/23/2012
3/24/2012
3/25/2012 1.20
3/26/2012
3/27/2012
3/28/2012 0.93
3/29/2012
3/30/2012
3/31/2012
Day of YearDaily PrcpMultiday Prcp
4/1/2012
4/2/2012
4/3/2012
4/4/2012
4/5/2012
4/6/2012
4/7/2012
4/8/2012
4/9/2012
4/10/2012
4/11/2012
4/12/2012
4/13/2012
4/14/2012
4/15/2012
4/16/2012
4/17/2012
4/18/2012
4/19/2012
4/20/2012
4/21/2012
4/22/2012
4/23/2012
4/24/2012
4/25/2012
4/26/2012
4/27/2012
4/28/2012
4/29/2012
4/30/2012
5/1/2012
5/2/2012
5/3/2012
5/4/2012
5/5/2012
5/6/2012
5/7/2012
5/8/2012
5/9/2012
5/10/2012
5/11/2012
5/12/2012
5/13/2012
5/14/2012
5/15/2012
5/16/2012
5/17/2012
5/18/2012
5/19/2012
5/20/2012
5/21/2012
5/22/2012
5/23/2012
5/24/2012
5/25/2012
5/26/2012
5/27/2012
5/28/2012
5/29/2012
5/30/2012
5/31/2012
6/1/2012
6/2/2012
6/3/2012
6/4/2012
6/5/2012
6/6/2012
6/7/2012
6/8/2012
6/9/2012
6/10/2012
6/11/2012
6/12/2012
6/13/2012
6/14/2012
6/15/2012
6/16/2012
6/17/2012
6/18/2012
6/19/2012
6/20/2012
6/21/2012
6/22/2012
6/23/2012
6/24/2012
6/25/2012
6/26/2012
6/27/2012
6/28/2012
6/29/2012
6/30/2012
Day of YearDaily PrcpMultiday Prcp
7/1/2012
7/2/2012
7/3/2012
7/4/2012
7/5/2012
7/6/2012
7/7/2012
7/8/2012
7/9/2012
7/10/2012
7/11/2012
7/12/2012
7/13/2012
7/14/2012
7/15/2012
7/16/2012
7/17/2012
7/18/2012
7/19/2012
7/20/2012
7/21/2012
7/22/2012
7/23/2012
7/24/2012
7/25/2012
7/26/2012
7/27/2012
7/28/2012
7/29/2012
7/30/2012
7/31/2012
8/1/2012
8/2/2012
8/3/2012
8/4/2012
8/5/2012
8/6/2012
8/7/2012
8/8/2012
8/9/2012
8/10/2012
8/11/2012
8/12/2012
8/13/2012
8/14/2012
8/15/2012
8/16/2012
8/17/2012
8/18/2012
8/19/2012
8/20/2012
8/21/2012
8/22/2012
8/23/2012
8/24/2012
8/25/2012
8/26/2012
8/27/2012
8/28/2012
8/29/2012
8/30/2012
8/31/2012
9/1/2012
9/2/2012
9/3/2012
9/4/2012
9/5/2012
9/6/2012
9/7/2012
9/8/2012
9/9/2012
9/10/2012
9/11/2012
9/12/2012
9/13/2012
9/14/2012
9/15/2012
9/16/2012
9/17/2012
9/18/2012
9/19/2012
9/20/2012
9/21/2012
9/22/2012
9/23/2012
9/24/2012
9/25/2012
9/26/2012
9/27/2012
9/28/2012
9/29/2012
9/30/2012



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2011 7:00 AM 0.00 0.0 M M M
10/2/2011 7:00 AM 0.00 0.0 M M M
10/3/2011 7:00 AM 0.00 0.0 M M M
10/4/2011 5:00 AM 0.18 0.0 0.00 0.0 0.00 First significant rainfall of the season finally reached the Bay Area yesterday afternoon.
10/5/2011 7:00 AM 0.42 0.0 0.00 0.0 0.00
10/6/2011 9:00 AM 0.32 0.0 0.00 0.0 0.00 Periods of heavy downpours have typified the behavior of this unstable storm system.
10/7/2011 7:00 AM 0.00 0.0 M M M
10/8/2011 7:00 AM 0.00 0.0 M M M
10/9/2011 7:00 AM 0.00 0.0 M M M
10/10/2011 7:00 AM 0.00 0.0 M M M
10/11/2011 7:00 AM 0.00 0.0 M M M
10/12/2011 7:00 AM 0.00 0.0 M M M
10/13/2011 7:00 AM 0.00 0.0 M M M
10/14/2011 7:00 AM 0.00 0.0 M M M
10/15/2011 7:00 AM 0.00 0.0 M M M
10/16/2011 7:00 AM 0.00 0.0 M M M
10/17/2011 7:00 AM 0.00 0.0 M M M
10/18/2011 7:00 AM 0.00 0.0 M M M
10/19/2011 7:00 AM 0.00 0.0 M M M
10/20/2011 7:00 AM 0.00 0.0 M M M
10/21/2011 7:00 AM 0.00 0.0 M M M
10/22/2011 7:00 AM 0.00 0.0 M M M
10/23/2011 7:00 AM 0.00 0.0 M M M
10/24/2011 7:00 AM 0.00 0.0 M M M
10/25/2011 7:00 AM 0.00 0.0 M M M
10/26/2011 7:00 AM 0.00 0.0 M M M
10/27/2011 7:00 AM 0.00 0.0 M M M
10/28/2011 7:00 AM 0.00 0.0 M M M
10/29/2011 7:00 AM 0.00 0.0 M M M
10/30/2011 7:00 AM 0.00 0.0 M M M
10/31/2011 7:00 AM 0.00 0.0 M M M
11/1/2011 7:00 AM 0.00 0.0 M M M
11/2/2011 7:00 AM 0.00 0.0 M M M
11/3/2011 7:00 AM 0.00 0.0 M M M
11/4/2011 7:00 AM 0.00 0.0 M M M
11/5/2011 7:00 AM 0.05 0.0 0.00 0.0 0.00
11/6/2011 7:00 AM 0.73 0.0 0.00 0.0 0.00 Significant late afternoon rain added to robust early-season rainfall totals.
11/7/2011 7:00 AM T 0.0 0.00 0.0 0.00 Cold fog with heavy drizzle and temperatures nearly matching dewpoint produced enough ground-level moisture to be reported as trace amounts.
11/8/2011 7:00 AM 0.00 0.0 M M M
11/9/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Increasing high clouds herald approach of next storm system in about 48 hours.
11/10/2011 7:00 AM 0.00 0.0 M M M
11/11/2011 7:00 AM 0.01 0.0 0.00 0.0 0.00
11/12/2011 7:00 AM 0.02 0.0 0.00 0.0 0.00 Transient rain Friday moved down the coast but not without leaving behind some light precipitation.
11/13/2011 7:00 AM 0.00 0.0 M M M
11/14/2011 7:00 AM 0.00 0.0 M M M
11/15/2011 7:00 AM 0.00 0.0 M M M
11/16/2011 7:00 AM 0.00 0.0 M M M
11/17/2011 7:00 AM 0.00 0.0 M M M
11/18/2011 7:00 AM 0.07 0.0 0.00 0.0 0.00
11/19/2011 7:00 AM 0.00 0.0 M M M
11/20/2011 7:00 AM 0.20 0.0 0.00 0.0 0.00 The majority of the storm activity occurred during the overnight hours, however, a chance of showers is posssible today.
11/21/2011 7:00 AM 0.00 0.0 M M M
11/22/2011 7:00 AM 0.00 0.0 M M M
11/23/2011 7:00 AM 0.00 0.0 M M M
11/24/2011 7:00 AM 0.26 0.0 0.00 0.0 0.00 Decent returns from the passing front, more than expected.
12/31/2011 7:00 AM 0.02 0.0 0.00 0.0 0.00 weak storm system did produce drizzle and light rain
1/21/2012 11:00 AM 1.61 0.0 0.00 0.0 0.00 Heavy evening and overnight rain followed by intermittent showers marked the passage of the latest storm system. Localized flooding, downed power lines, fallen trees reported both locally and in the greater Bay Area.
2/7/2012 7:00 AM 0.41 0.0 0.00 0.0 0.00 Light rain continuing to fall, system fell apart as the front made landfall.
3/14/2012 7:00 AM 0.88 0.0 0.00 0.0 0.00 rain continuing to fall at a moderate rate
3/16/2012 7:00 AM M 0.0 0.00 0.0 0.00 (edit: daily precip initially recorded as 1.94". changed to NA due to MDR suspicion. observer contacted. P.G.)
3/17/2012 7:00 AM 1.25 0.0 0.00 0.0 0.00
3/25/2012 7:00 AM 1.20 0.0 0.00 0.0 0.00
3/28/2012 7:00 AM 0.93 0.0 0.00 0.0 0.00 Aggressive series of spring storms is bringing Northern California a much-needed Miracle March.



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