Station Overview Station Location
Station Number CA-MR-4 Latitude 38.105982
Station Name Novato 4.8 WNW Longitude -122.644146
County Marin Elevation (ft) 246



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 09 1.72 4.33 4 4.33 4 0.00 0 0 4 0 0.0 0 0
Nov 09 4.99 0.93 8 0.93 8 0.00 0 0 6 2 0.0 0 0
Dec 09 7.97 3.66 10 3.66 10 0.00 0 0 10 0 0.0 0 0
Jan 10 7.51 11.63 17 11.63 17 0.00 0 0 17 0 0.0 0 0
Feb 10 7.92 5.35 12 5.35 12 0.00 0 0 10 2 0.0 0 0
March 10 5.29 3.38 10 3.38 10 0.00 0 0 8 2 0.0 0 0
April 10 2.31 5.54 14 5.54 14 0.00 0 0 13 1 0.0 0 0
May 10 1.08 2.15 8 2.15 8 0.00 0 0 8 0 0.0 0 0
June 10 0.23 0.00 1 0.00 1 0.00 0 0 0 1 0.0 0 0
July 10 0.01 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 10 0.07 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 10 0.23 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 39.33" 36.97" 84 days 36.97" 84 0.00" 0 days 0 76 days 8 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
10/1/2009
10/2/2009
10/3/2009
10/4/2009
10/5/2009
10/6/2009
10/7/2009
10/8/2009
10/9/2009
10/10/2009
10/11/2009
10/12/2009
10/13/2009 1.07
10/14/2009 2.79
10/15/2009 0.11
10/16/2009
10/17/2009
10/18/2009
10/19/2009
10/20/2009 0.36
10/21/2009
10/22/2009
10/23/2009
10/24/2009
10/25/2009
10/26/2009
10/27/2009
10/28/2009
10/29/2009
10/30/2009
10/31/2009
11/1/2009
11/2/2009
11/3/2009
11/4/2009
11/5/2009 T
11/6/2009 0.09
11/7/2009 0.02
11/8/2009
11/9/2009
11/10/2009
11/11/2009
11/12/2009
11/13/2009
11/14/2009 0.03
11/15/2009
11/16/2009
11/17/2009
11/18/2009 0.09
11/19/2009
11/20/2009
11/21/2009 0.67
11/22/2009 0.03
11/23/2009
11/24/2009
11/25/2009
11/26/2009
11/27/2009 T
11/28/2009
11/29/2009
11/30/2009
12/1/2009
12/2/2009
12/3/2009
12/4/2009
12/5/2009
12/6/2009
12/7/2009 0.39
12/8/2009
12/9/2009
12/10/2009
12/11/2009 0.10
12/12/2009 0.75
12/13/2009 1.10
12/14/2009 0.10
12/15/2009
12/16/2009 0.30
12/17/2009
12/18/2009
12/19/2009
12/20/2009
12/21/2009 0.21
12/22/2009 0.07
12/23/2009
12/24/2009
12/25/2009
12/26/2009
12/27/2009 0.43
12/28/2009
12/29/2009
12/30/2009 0.21
12/31/2009
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.03
1/2/2010 0.17
1/3/2010
1/4/2010
1/5/2010
1/6/2010
1/7/2010
1/8/2010
1/9/2010
1/10/2010
1/11/2010
1/12/2010 0.60
1/13/2010 0.53
1/14/2010
1/15/2010
1/16/2010
1/17/2010 0.24
1/18/2010 0.84
1/19/2010 2.24
1/20/2010 1.85
1/21/2010 1.28
1/22/2010 0.96
1/23/2010 0.46
1/24/2010 0.20
1/25/2010 0.70
1/26/2010 0.99
1/27/2010 0.05
1/28/2010
1/29/2010
1/30/2010 0.39
1/31/2010 0.10
2/1/2010 0.03
2/2/2010
2/3/2010 0.04
2/4/2010
2/5/2010 1.45
2/6/2010 0.40
2/7/2010
2/8/2010
2/9/2010 0.57
2/10/2010
2/11/2010
2/12/2010 0.13
2/13/2010 0.08
2/14/2010
2/15/2010
2/16/2010
2/17/2010
2/18/2010
2/19/2010
2/20/2010
2/21/2010
2/22/2010 0.19
2/23/2010 T
2/24/2010 1.13
2/25/2010
2/26/2010
2/27/2010 1.33
2/28/2010 T
3/1/2010
3/2/2010 0.62
3/3/2010 0.80
3/4/2010 0.20
3/5/2010
3/6/2010
3/7/2010
3/8/2010 T
3/9/2010 0.11
3/10/2010 0.35
3/11/2010
3/12/2010 T
3/13/2010 0.59
3/14/2010
3/15/2010
3/16/2010
3/17/2010
3/18/2010
3/19/2010
3/20/2010
3/21/2010
3/22/2010
3/23/2010
3/24/2010
3/25/2010
3/26/2010
3/27/2010
3/28/2010
3/29/2010
3/30/2010 0.30
3/31/2010 0.41
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.59
4/2/2010 T
4/3/2010 0.38
4/4/2010
4/5/2010 0.84
4/6/2010 0.04
4/7/2010
4/8/2010
4/9/2010
4/10/2010
4/11/2010 0.11
4/12/2010 2.24
4/13/2010 0.05
4/14/2010
4/15/2010
4/16/2010
4/17/2010
4/18/2010
4/19/2010
4/20/2010 0.51
4/21/2010 0.07
4/22/2010 0.05
4/23/2010
4/24/2010
4/25/2010
4/26/2010
4/27/2010 0.33
4/28/2010 0.22
4/29/2010 0.11
4/30/2010
5/1/2010
5/2/2010
5/3/2010
5/4/2010
5/5/2010
5/6/2010
5/7/2010
5/8/2010
5/9/2010
5/10/2010 0.12
5/11/2010 0.25
5/12/2010
5/13/2010
5/14/2010
5/15/2010
5/16/2010
5/17/2010
5/18/2010 0.29
5/19/2010
5/20/2010 0.03
5/21/2010
5/22/2010
5/23/2010
5/24/2010
5/25/2010 0.03
5/26/2010 0.24
5/27/2010 0.06
5/28/2010 1.13
5/29/2010
5/30/2010
5/31/2010
6/1/2010
6/2/2010
6/3/2010
6/4/2010
6/5/2010 T
6/6/2010
6/7/2010
6/8/2010
6/9/2010
6/10/2010
6/11/2010
6/12/2010
6/13/2010
6/14/2010
6/15/2010
6/16/2010
6/17/2010
6/18/2010
6/19/2010
6/20/2010
6/21/2010
6/22/2010
6/23/2010
6/24/2010
6/25/2010
6/26/2010
6/27/2010
6/28/2010
6/29/2010
6/30/2010
Day of YearDaily PrcpMultiday Prcp
7/1/2010
7/2/2010
7/3/2010
7/4/2010
7/5/2010
7/6/2010
7/7/2010
7/8/2010
7/9/2010
7/10/2010
7/11/2010
7/12/2010
7/13/2010
7/14/2010
7/15/2010
7/16/2010
7/17/2010
7/18/2010
7/19/2010
7/20/2010
7/21/2010
7/22/2010
7/23/2010
7/24/2010
7/25/2010
7/26/2010
7/27/2010
7/28/2010
7/29/2010
7/30/2010
7/31/2010
8/1/2010
8/2/2010
8/3/2010
8/4/2010
8/5/2010
8/6/2010
8/7/2010
8/8/2010
8/9/2010
8/10/2010
8/11/2010
8/12/2010
8/13/2010
8/14/2010
8/15/2010
8/16/2010
8/17/2010
8/18/2010
8/19/2010
8/20/2010
8/21/2010
8/22/2010
8/23/2010
8/24/2010
8/25/2010
8/26/2010
8/27/2010
8/28/2010
8/29/2010
8/30/2010
8/31/2010
9/1/2010
9/2/2010
9/3/2010
9/4/2010
9/5/2010
9/6/2010
9/7/2010
9/8/2010
9/9/2010
9/10/2010
9/11/2010
9/12/2010
9/13/2010
9/14/2010
9/15/2010
9/16/2010
9/17/2010
9/18/2010
9/19/2010
9/20/2010
9/21/2010
9/22/2010
9/23/2010
9/24/2010
9/25/2010
9/26/2010
9/27/2010
9/28/2010
9/29/2010
9/30/2010



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/13/2009 7:00 AM 1.07 M M M M Beginning of southerly breeze at 2:25 PM. Rain starts at 2:30 AM the date. Salamanders already in the pool.
10/14/2009 7:00 AM 2.79 M M M M Total 14-hr. storm was 3.86 inches. Water ponded in flat pasture areas, trying to sink in dry ground. A real season opener!
10/15/2009 7:50 AM 0.11 M M M M Light muggy rain this AM
10/20/2009 9:00 AM 0.36 M M M M Second wave came thru at 1:25PM. Some cracking and banging.
11/5/2009 8:00 AM T M M M M
11/6/2009 8:00 AM 0.09 M M M M
11/7/2009 8:00 AM 0.02 M M M M Accumulative fizzle-drizzle
11/14/2009 8:00 AM 0.03 M M M M
11/18/2009 9:00 AM 0.09 M M M M
11/21/2009 9:00 AM 0.67 M M M M Most fell between 10:20 and 11:00
11/22/2009 9:00 AM 0.03 M M M M Drizzle to sprinkle after 7:00A
11/27/2009 9:00 AM T M M M M
12/7/2009 9:00 AM 0.39 M M M M Temp 35F West of Novato
12/11/2009 8:35 AM 0.10 M M M M Light rain to fine drizzle.
12/12/2009 9:00 AM 0.75 M M M M
12/13/2009 8:10 AM 1.10 M M M M Warming up to 50's.
12/14/2009 9:00 AM 0.10 M M M M
12/16/2009 9:00 AM 0.30 M M M M
12/21/2009 9:40 AM 0.21 M M M M
12/22/2009 8:10 AM 0.07 M M M M
12/27/2009 8:25 AM 0.43 M M M M Textbook frontal passage @ 4:15PM
12/30/2009 8:40 AM 0.21 M M M M
1/1/2010 10:00 AM 0.03 M M M M
1/2/2010 8:38 AM 0.17 M M M M
1/12/2010 8:00 AM 0.60 M M M M Very heavy rain at beginning
1/13/2010 8:00 AM 0.53 M M M M
1/17/2010 9:00 AM 0.24 M M M M
1/18/2010 8:00 AM 0.84 M M M M
1/19/2010 7:45 AM 2.24 M M M M Thunderstorm 3:30A for :30
1/20/2010 8:00 AM 1.85 M M M M Est. 40-50 MPH gusts as rain began, then settled down. Ponding everywhere at 08:00A.
1/21/2010 9:00 AM 1.28 M M M M
1/22/2010 8:00 AM 0.96 M M M M 7.46 inches since AM of 1/17. Gopher holes on hillside have turned to artesian water supply.
1/23/2010 8:00 AM 0.46 M M M M
1/24/2010 8:00 AM 0.20 M M M M
1/25/2010 8:00 AM 0.70 M M M M
1/26/2010 9:00 AM 0.99 M M M M
1/27/2010 8:20 AM 0.05 M M M M
1/30/2010 8:30 AM 0.39 M M M M
1/31/2010 9:00 AM 0.10 M M M M
2/1/2010 7:45 AM 0.03 M M M M Brisk light rain out of knowhere
2/3/2010 8:40 AM 0.04 M M M M Rain started out good, then in :20 it was over. Then cleared up
2/5/2010 8:00 AM 1.45 M M M M Ended abruptly w/aggressive cold front passage
2/6/2010 8:45 AM 0.40 M M M M
2/9/2010 8:00 AM 0.57 M M M M Scattered off-on light rain showers
2/12/2010 8:00 AM 0.13 M M M M
2/13/2010 8:30 AM 0.08 M M M M
2/22/2010 8:00 AM 0.19 M M M M
2/23/2010 8:30 AM T M M M M Began 8:15
2/24/2010 8:30 AM 1.13 M M M M Moderate rainfall at frontal passage.
2/27/2010 8:40 AM 1.33 M M M M Text book cold front. Heavy rain, then abrupt wind shift, sunlight and it was over. Marvelous experience to watch
2/28/2010 9:00 AM T M M M M
3/2/2010 8:00 AM 0.62 M M M M Ground not taking it anymore. Puddle flowing from puddle to puddle.
3/3/2010 9:00 AM 0.80 M M M M
3/4/2010 9:00 AM 0.20 M M M M
3/8/2010 8:00 AM T M M M M
3/9/2010 9:00 AM 0.11 M M M M 1/4" hail in PM. Downdraft lowered temperature 3-4 degrees
3/10/2010 9:00 AM 0.35 M M M M Came quick and gone in an hour.
3/12/2010 9:00 AM T M M M M
3/13/2010 9:00 AM 0.59 M M M M
3/30/2010 9:00 AM 0.30 M M M M
3/31/2010 8:00 AM 0.41 M M M M Hail at 7:20p
4/1/2010 9:00 AM 0.59 M M M M Started with moderate rain...no drizzle.
4/2/2010 9:00 AM T M M M M
4/3/2010 8:00 AM 0.38 M M M M
4/5/2010 7:30 AM 0.84 M M M M Mt. Tamalpais orographcs pushed southern Marin records way over the top.
4/6/2010 8:00 AM 0.04 M M M M
4/11/2010 8:00 AM 0.11 M M M M
4/12/2010 8:00 AM 2.24 M M M M April Showers-moderate to heavy with PM hail.
4/13/2010 8:00 AM 0.05 M M M M
4/20/2010 8:00 AM 0.51 M M M M
4/21/2010 9:00 AM 0.07 M M M M
4/22/2010 8:00 AM 0.05 M M M M
4/27/2010 9:00 AM 0.33 M M M M
4/28/2010 8:00 AM 0.22 M M M M
4/29/2010 9:00 AM 0.11 M M M M
5/10/2010 8:00 AM 0.12 M M M M
5/11/2010 8:00 AM 0.25 M M M M Cold air behind this one was right out of the Aleutians
5/18/2010 8:00 AM 0.29 M M M M
5/20/2010 8:30 AM 0.03 M M M M
5/25/2010 9:00 AM 0.03 M M M M
5/26/2010 9:00 AM 0.24 M M M M
5/27/2010 7:00 AM 0.06 M M M M Very light...off and on. THUNDERSTORM @7:37AM. MOD. RAIN
5/28/2010 9:00 AM 1.13 M M M M Great event. The cattle will love it!
6/5/2010 8:00 AM T M M M M



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