Station Overview Station Location
Station Number CA-SN-62 Latitude 38.2262
Station Name Petaluma 1.3 SW Longitude -122.6391
County Sonoma Elevation (ft) 36



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 1.40 3.66 31 2.99 28 0.67 3 1 4 0 0.0 0 0
Nov 09 3.90 0.75 30 0.57 28 0.18 2 1 6 0 0.0 0 0
Dec 09 6.15 2.59 31 2.59 31 0.00 0 0 15 1 0.0 0 0
Jan 10 5.96 10.09 31 10.09 31 0.00 0 0 19 0 0.0 0 0
Feb 10 6.17 4.24 28 3.26 24 0.98 4 1 13 2 0.0 0 0
March 10 4.25 2.78 31 2.78 31 0.00 0 0 12 1 0.0 0 0
April 10 1.81 4.25 30 4.25 30 0.00 0 0 14 0 0.0 0 0
May 10 0.96 1.62 31 1.62 31 0.00 0 0 7 2 0.0 0 0
June 10 0.18 0.00 30 0.00 30 0.00 0 0 0 4 0.0 0 0
July 10 0.01 0.00 31 0.00 31 0.00 0 0 0 3 0.0 0 0
Aug 10 0.06 0.00 31 0.00 31 0.00 0 0 0 5 0.0 0 0
Sept 10 0.23 0.01 30 0.01 30 0.00 0 0 1 0 0.0 0 0
Water Year Totals: 31.08" 29.99" 365 days 28.16" 356 1.83" 9 days 3 91 days 18 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 0.00
10/2/2009 0.00
10/3/2009 0.00
10/4/2009 0.00
10/5/2009 0.00
10/6/2009 0.00
10/7/2009 0.00
10/8/2009 0.00
10/9/2009 0.00
10/10/2009 0.00
10/11/2009 0.00
10/12/2009 0.00
10/13/2009 1.33
10/14/2009 1.62
10/15/2009 0.02
10/16/2009 0.02
10/17/2009 0.00
10/18/2009 0.00
10/19/2009 **
10/20/2009 **
10/21/2009 0.67
10/22/2009 0.00
10/23/2009 0.00
10/24/2009 0.00
10/25/2009 0.00
10/26/2009 0.00
10/27/2009 0.00
10/28/2009 0.00
10/29/2009 0.00
10/30/2009 0.00
10/31/2009 0.00
11/1/2009 0.00
11/2/2009 0.00
11/3/2009 0.00
11/4/2009 0.00
11/5/2009 0.00
11/6/2009 **
11/7/2009 0.18
11/8/2009 0.00
11/9/2009 0.00
11/10/2009 0.00
11/11/2009 0.00
11/12/2009 0.00
11/13/2009 0.00
11/14/2009 0.00
11/15/2009 0.00
11/16/2009 0.00
11/17/2009 0.00
11/18/2009 0.14
11/19/2009 0.00
11/20/2009 0.00
11/21/2009 0.30
11/22/2009 0.05
11/23/2009 0.02
11/24/2009 0.00
11/25/2009 0.00
11/26/2009 0.00
11/27/2009 0.03
11/28/2009 0.03
11/29/2009 0.00
11/30/2009 0.00
12/1/2009 0.00
12/2/2009 0.00
12/3/2009 0.00
12/4/2009 0.00
12/5/2009 0.00
12/6/2009 0.00
12/7/2009 0.18
12/8/2009 0.02
12/9/2009 0.00
12/10/2009 0.00
12/11/2009 0.07
12/12/2009 0.34
12/13/2009 0.94
12/14/2009 T
12/15/2009 0.00
12/16/2009 0.36
12/17/2009 0.01
12/18/2009 0.02
12/19/2009 0.02
12/20/2009 0.00
12/21/2009 0.17
12/22/2009 0.05
12/23/2009 0.00
12/24/2009 0.00
12/25/2009 0.00
12/26/2009 0.00
12/27/2009 0.19
12/28/2009 0.00
12/29/2009 0.01
12/30/2009 0.20
12/31/2009 0.01
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.03
1/2/2010 0.19
1/3/2010 0.01
1/4/2010 0.00
1/5/2010 0.00
1/6/2010 0.00
1/7/2010 0.00
1/8/2010 0.00
1/9/2010 0.02
1/10/2010 0.00
1/11/2010 0.00
1/12/2010 0.48
1/13/2010 0.22
1/14/2010 0.16
1/15/2010 0.00
1/16/2010 0.00
1/17/2010 0.12
1/18/2010 0.54
1/19/2010 2.02
1/20/2010 2.22
1/21/2010 0.88
1/22/2010 0.66
1/23/2010 0.46
1/24/2010 0.21
1/25/2010 0.67
1/26/2010 0.94
1/27/2010 0.01
1/28/2010 0.00
1/29/2010 0.00
1/30/2010 0.25
1/31/2010 0.00
2/1/2010 0.02
2/2/2010 0.02
2/3/2010 0.07
2/4/2010 T
2/5/2010 0.97
2/6/2010 0.37
2/7/2010 0.05
2/8/2010 0.00
2/9/2010 0.33
2/10/2010 0.02
2/11/2010 0.00
2/12/2010 0.03
2/13/2010 0.14
2/14/2010 0.00
2/15/2010 0.00
2/16/2010 0.00
2/17/2010 0.00
2/18/2010 0.00
2/19/2010 0.00
2/20/2010 0.00
2/21/2010 0.01
2/22/2010 0.14
2/23/2010 T
2/24/2010 1.09
2/25/2010 **
2/26/2010 **
2/27/2010 **
2/28/2010 0.98
3/1/2010 0.00
3/2/2010 0.45
3/3/2010 0.62
3/4/2010 0.43
3/5/2010 0.00
3/6/2010 0.00
3/7/2010 0.00
3/8/2010 T
3/9/2010 0.05
3/10/2010 0.14
3/11/2010 0.00
3/12/2010 0.02
3/13/2010 0.39
3/14/2010 0.00
3/15/2010 0.00
3/16/2010 0.00
3/17/2010 0.00
3/18/2010 0.00
3/19/2010 0.00
3/20/2010 0.00
3/21/2010 0.00
3/22/2010 0.00
3/23/2010 0.00
3/24/2010 0.00
3/25/2010 0.13
3/26/2010 0.03
3/27/2010 0.00
3/28/2010 0.00
3/29/2010 0.01
3/30/2010 0.12
3/31/2010 0.39
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.57
4/2/2010 0.03
4/3/2010 0.29
4/4/2010 0.00
4/5/2010 0.64
4/6/2010 0.03
4/7/2010 0.00
4/8/2010 0.00
4/9/2010 0.00
4/10/2010 0.00
4/11/2010 0.09
4/12/2010 1.47
4/13/2010 0.28
4/14/2010 0.00
4/15/2010 0.01
4/16/2010 0.00
4/17/2010 0.00
4/18/2010 0.00
4/19/2010 0.00
4/20/2010 0.40
4/21/2010 0.02
4/22/2010 0.00
4/23/2010 0.00
4/24/2010 0.00
4/25/2010 0.00
4/26/2010 0.00
4/27/2010 0.19
4/28/2010 0.12
4/29/2010 0.11
4/30/2010 0.00
5/1/2010 0.00
5/2/2010 0.00
5/3/2010 0.00
5/4/2010 0.00
5/5/2010 0.00
5/6/2010 0.00
5/7/2010 0.00
5/8/2010 0.00
5/9/2010 T
5/10/2010 0.08
5/11/2010 0.20
5/12/2010 0.00
5/13/2010 0.00
5/14/2010 0.00
5/15/2010 0.00
5/16/2010 0.00
5/17/2010 0.00
5/18/2010 0.31
5/19/2010 0.00
5/20/2010 0.04
5/21/2010 0.00
5/22/2010 0.00
5/23/2010 0.00
5/24/2010 0.00
5/25/2010 T
5/26/2010 0.29
5/27/2010 0.09
5/28/2010 0.61
5/29/2010 0.00
5/30/2010 0.00
5/31/2010 0.00
6/1/2010 0.00
6/2/2010 0.00
6/3/2010 T
6/4/2010 T
6/5/2010 T
6/6/2010 0.00
6/7/2010 0.00
6/8/2010 0.00
6/9/2010 T
6/10/2010 0.00
6/11/2010 0.00
6/12/2010 0.00
6/13/2010 0.00
6/14/2010 0.00
6/15/2010 0.00
6/16/2010 0.00
6/17/2010 0.00
6/18/2010 0.00
6/19/2010 0.00
6/20/2010 0.00
6/21/2010 0.00
6/22/2010 0.00
6/23/2010 0.00
6/24/2010 0.00
6/25/2010 0.00
6/26/2010 0.00
6/27/2010 0.00
6/28/2010 0.00
6/29/2010 0.00
6/30/2010 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2010 0.00
7/2/2010 0.00
7/3/2010 0.00
7/4/2010 0.00
7/5/2010 0.00
7/6/2010 0.00
7/7/2010 0.00
7/8/2010 0.00
7/9/2010 0.00
7/10/2010 0.00
7/11/2010 0.00
7/12/2010 T
7/13/2010 0.00
7/14/2010 0.00
7/15/2010 0.00
7/16/2010 0.00
7/17/2010 0.00
7/18/2010 0.00
7/19/2010 0.00
7/20/2010 0.00
7/21/2010 0.00
7/22/2010 0.00
7/23/2010 0.00
7/24/2010 0.00
7/25/2010 T
7/26/2010 T
7/27/2010 0.00
7/28/2010 0.00
7/29/2010 0.00
7/30/2010 0.00
7/31/2010 0.00
8/1/2010 0.00
8/2/2010 T
8/3/2010 0.00
8/4/2010 0.00
8/5/2010 0.00
8/6/2010 0.00
8/7/2010 0.00
8/8/2010 0.00
8/9/2010 T
8/10/2010 0.00
8/11/2010 T
8/12/2010 0.00
8/13/2010 0.00
8/14/2010 T
8/15/2010 0.00
8/16/2010 0.00
8/17/2010 0.00
8/18/2010 0.00
8/19/2010 0.00
8/20/2010 0.00
8/21/2010 0.00
8/22/2010 0.00
8/23/2010 0.00
8/24/2010 0.00
8/25/2010 0.00
8/26/2010 0.00
8/27/2010 0.00
8/28/2010 0.00
8/29/2010 0.00
8/30/2010 0.00
8/31/2010 T
9/1/2010 0.00
9/2/2010 0.00
9/3/2010 0.00
9/4/2010 0.00
9/5/2010 0.00
9/6/2010 0.00
9/7/2010 0.00
9/8/2010 0.00
9/9/2010 0.00
9/10/2010 0.00
9/11/2010 0.00
9/12/2010 0.00
9/13/2010 0.00
9/14/2010 0.00
9/15/2010 0.00
9/16/2010 0.00
9/17/2010 0.00
9/18/2010 0.00
9/19/2010 0.00
9/20/2010 0.01
9/21/2010 0.00
9/22/2010 0.00
9/23/2010 0.00
9/24/2010 0.00
9/25/2010 0.00
9/26/2010 0.00
9/27/2010 0.00
9/28/2010 0.00
9/29/2010 0.00
9/30/2010 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2009 7:00 AM 0.00 0.0 M M M
10/2/2009 7:00 AM 0.00 0.0 M M M
10/3/2009 7:00 AM 0.00 0.0 M M M
10/4/2009 7:00 AM 0.00 0.0 M M M
10/5/2009 7:00 AM 0.00 0.0 M M M
10/6/2009 7:00 AM 0.00 0.0 M M M
10/7/2009 7:00 AM 0.00 0.0 M M M
10/8/2009 7:00 AM 0.00 0.0 M M M
10/9/2009 7:00 AM 0.00 0.0 M M M
10/10/2009 7:00 AM 0.00 0.0 M M M
10/11/2009 7:00 AM 0.00 0.0 M M M
10/12/2009 7:00 AM 0.00 0.0 M M M
10/13/2009 8:00 AM 1.33 M M M M Heavy rain continues; winds just started to increase.
10/14/2009 8:00 AM 1.62 M M M M
10/15/2009 8:00 AM 0.02 M M M M
10/16/2009 8:00 AM 0.02 M M M M
10/17/2009 7:00 AM 0.00 0.0 M M M
10/18/2009 7:00 AM 0.00 0.0 M M M
10/22/2009 7:00 AM 0.00 0.0 M M M
10/23/2009 7:00 AM 0.00 0.0 M M M
10/24/2009 7:00 AM 0.00 0.0 M M M
10/25/2009 7:00 AM 0.00 0.0 M M M
10/26/2009 7:00 AM 0.00 0.0 M M M
10/27/2009 7:00 AM 0.00 0.0 M M M
10/28/2009 7:00 AM 0.00 0.0 M M M
10/29/2009 7:00 AM 0.00 0.0 M M M
10/30/2009 7:00 AM 0.00 0.0 M M M
10/31/2009 7:00 AM 0.00 0.0 M M M
11/1/2009 7:00 AM 0.00 0.0 M M M
11/2/2009 7:00 AM 0.00 0.0 M M M
11/3/2009 8:00 AM 0.00 0.0 M M M
11/4/2009 7:00 AM 0.00 0.0 M M M
11/5/2009 8:00 AM 0.00 0.0 M M M
11/8/2009 8:00 AM 0.00 0.0 M M M
11/9/2009 8:00 AM 0.00 0.0 M M M
11/10/2009 8:00 AM 0.00 0.0 M M M
11/11/2009 8:00 AM 0.00 0.0 M M M
11/12/2009 8:00 AM 0.00 0.0 M M M Dry front went through this morning. Not even a trace of rain.
11/13/2009 7:00 AM 0.00 0.0 M M M
11/14/2009 7:00 AM 0.00 0.0 M M M
11/15/2009 7:00 AM 0.00 0.0 M M M
11/16/2009 7:00 AM 0.00 0.0 M M M
11/17/2009 7:00 AM 0.00 0.0 M M M
11/18/2009 8:00 AM 0.14 M M M M Most rain fell 5:30pm-7:30pm yesterday. Near freezing temps this morning caused some black ice.
11/19/2009 7:00 AM 0.00 0.0 M M M
11/20/2009 8:00 AM 0.00 0.0 M M M
11/21/2009 8:00 AM 0.30 M M M M
11/22/2009 8:00 AM 0.05 M M M M
11/23/2009 8:00 AM 0.02 M M M M
11/24/2009 7:00 AM 0.00 0.0 M M M
11/25/2009 7:00 AM 0.00 0.0 M M M
11/26/2009 7:00 AM 0.00 0.0 M M M
11/27/2009 8:00 AM 0.03 M M M M (Moderate) rain just began within last 15 minutes.
11/28/2009 8:00 AM 0.03 M M M M
11/29/2009 8:00 AM 0.00 0.0 M M M After last mini-rain event, high temps running about 10 degrees above normal. No rain expected for at least 1-2 weeks.
11/30/2009 7:00 AM 0.00 0.0 M M M
12/1/2009 7:00 AM 0.00 0.0 M M M
12/2/2009 7:00 AM 0.00 0.0 M M M
12/3/2009 7:00 AM 0.00 0.0 M M M
12/4/2009 7:00 AM 0.00 0.0 M M M
12/5/2009 7:00 AM 0.00 0.0 M M M
12/6/2009 7:00 AM 0.00 0.0 M M M
12/7/2009 8:00 AM 0.18 M M M M Temp was 33 early this am, but precip ended, so no snow. Some ice patches on ground.
12/8/2009 8:00 AM 0.02 M M M M Temp 23 degrees, could be a record low for the date. Snowed and stuck to the ground for about 2 minutes yesterday at around 3pm (elevation less than 100 feet)).
12/9/2009 7:00 AM 0.00 0.0 M M M
12/10/2009 7:00 AM 0.00 0.0 M M M
12/11/2009 8:00 AM 0.07 M M M M
12/12/2009 8:00 AM 0.34 M M M M Precipitation in the form of an overnight steady drizzle. Temps have moderated (a few days ago it was 23 degrees at this hour; it's now 49).
12/13/2009 8:00 AM 0.94 M M M M
12/14/2009 8:00 AM T M M M M
12/15/2009 8:00 AM 0.00 0.0 M M M
12/16/2009 8:00 AM 0.36 M M M M
12/17/2009 8:00 AM 0.01 M M M M
12/18/2009 8:00 AM 0.02 M M M M
12/19/2009 8:00 AM 0.02 M M M M
12/20/2009 7:00 AM 0.00 0.0 M M M
12/21/2009 8:00 AM 0.17 M M M M
12/22/2009 8:00 AM 0.05 M M M M
12/23/2009 7:00 AM 0.00 0.0 M M M
12/24/2009 7:00 AM 0.00 0.0 M M M
12/25/2009 7:00 AM 0.00 0.0 M M M
12/26/2009 7:00 AM 0.00 0.0 M M M
12/27/2009 8:00 AM 0.19 M M M M
12/28/2009 8:00 AM 0.00 0.0 M M M
12/29/2009 8:00 AM 0.01 M M M M
12/30/2009 8:00 AM 0.20 M M M M
12/31/2009 8:00 AM 0.01 M M M M
1/1/2010 8:00 AM 0.03 M M M M
1/2/2010 8:00 AM 0.19 M M M M
1/3/2010 8:00 AM 0.01 M M M M
1/4/2010 7:00 AM 0.00 0.0 M M M
1/5/2010 7:00 AM 0.00 0.0 M M M
1/6/2010 7:00 AM 0.00 0.0 M M M
1/7/2010 7:00 AM 0.00 0.0 M M M
1/8/2010 7:00 AM 0.00 0.0 M M M
1/9/2010 8:00 AM 0.02 M M M M
1/10/2010 7:00 AM 0.00 0.0 M M M
1/11/2010 8:00 AM 0.00 0.0 M M M
1/12/2010 8:00 AM 0.48 M M M M
1/13/2010 8:00 AM 0.22 M M M M
1/14/2010 8:00 AM 0.16 M M M M
1/15/2010 7:00 AM 0.00 0.0 M M M
1/16/2010 7:00 AM 0.00 0.0 M M M
1/17/2010 8:00 AM 0.12 M M M M
1/18/2010 7:45 AM 0.54 M M M M Steady moderate/heavy rain & wind. Observation taken at 7:45am instead of usual 8:00am today.
1/19/2010 8:00 AM 2.02 M M M M Heavy rain continues (flooded garage, yay!). Lightning/thunder early a.m.
1/20/2010 8:15 AM 2.22 M M M M Heavy rain/wind. Temp. 48F. Creek running high & fast. Moderate street flooding (garage flooded again). Report taken at 8:15am today (instead of 8:00am as usual).
1/21/2010 8:00 AM 0.88 M M M M
1/22/2010 8:15 AM 0.66 M M M M
1/23/2010 8:00 AM 0.46 M M M M
1/24/2010 8:00 AM 0.21 M M M M
1/25/2010 8:00 AM 0.67 M M M M
1/26/2010 8:00 AM 0.94 M M M M
1/27/2010 8:00 AM 0.01 M M M M
1/28/2010 7:00 AM 0.00 0.0 M M M
1/29/2010 7:00 AM 0.00 0.0 M M M
1/30/2010 8:00 AM 0.25 M M M M
1/31/2010 8:00 AM 0.00 0.0 M M M
2/1/2010 8:00 AM 0.02 M M M M
2/2/2010 8:00 AM 0.02 M M M M
2/3/2010 8:00 AM 0.07 M M M M
2/4/2010 8:00 AM T M M M M
2/5/2010 8:00 AM 0.97 M M M M
2/6/2010 8:00 AM 0.37 M M M M
2/7/2010 8:00 AM 0.05 M M M M
2/8/2010 8:00 AM 0.00 0.0 M M M
2/9/2010 8:00 AM 0.33 M M M M Most of this rain fell in the last 6 hours. Wrap-around moisture from low center just offshore may produce more showers today.
2/10/2010 8:00 AM 0.02 M M M M
2/11/2010 8:00 AM 0.00 0.0 M M M
2/12/2010 8:00 AM 0.03 M M M M
2/13/2010 8:00 AM 0.14 M M M M Light drizzle all day yesterday from clouds too low for radar detection. Heavy fog now.
2/14/2010 8:00 AM 0.00 0.0 M M M
2/15/2010 7:00 AM 0.00 0.0 M M M
2/16/2010 7:00 AM 0.00 0.0 M M M
2/17/2010 8:00 AM 0.00 0.0 M M M
2/18/2010 8:00 AM 0.00 0.0 M M M
2/19/2010 8:00 AM 0.00 0.0 M M M
2/20/2010 8:00 AM 0.00 0.0 M M M
2/21/2010 8:00 AM 0.01 M M M M
2/22/2010 8:00 AM 0.14 M M M M Light rain fell mostly yesterday morning. Visibility currently reduced by fog.
2/23/2010 8:00 AM T M M M M Rain just beginning (as of 8am)
2/24/2010 8:00 AM 1.09 M M M M Light/moderate rain fell continuously for at least 16 hours starting around 9am yesterday.
3/1/2010 8:00 AM 0.00 0.0 M M M
3/2/2010 8:00 AM 0.45 M M M M Hard rain, calm wind, temp 52.
3/3/2010 8:00 AM 0.62 M M M M
3/4/2010 8:00 AM 0.43 M M M M heavy fog, vis. less than 1/4 mile. All recorded rain fell yesterday.
3/5/2010 8:00 AM 0.00 0.0 M M M
3/6/2010 8:00 AM 0.00 0.0 M M M
3/7/2010 7:00 AM 0.00 0.0 M M M
3/8/2010 8:00 AM T M M M M
3/9/2010 8:00 AM 0.05 M M M M Temperature fell briefly to 31.8 this morning.
3/10/2010 8:00 AM 0.14 M M M M
3/11/2010 8:00 AM 0.00 0.0 M M M Temp. below freezing second time this week.
3/12/2010 8:00 AM 0.02 M M M M
3/13/2010 8:00 AM 0.39 M M M M
3/14/2010 7:00 AM 0.00 0.0 M M M
3/15/2010 7:00 AM 0.00 0.0 M M M
3/16/2010 7:00 AM 0.00 0.0 M M M
3/17/2010 7:00 AM 0.00 0.0 M M M
3/18/2010 7:00 AM 0.00 0.0 M M M
3/19/2010 7:00 AM 0.00 0.0 M M M
3/20/2010 7:00 AM 0.00 0.0 M M M
3/21/2010 7:00 AM 0.00 0.0 M M M
3/22/2010 8:00 AM 0.00 0.0 M M M
3/23/2010 7:00 AM 0.00 0.0 M M M
3/24/2010 7:00 AM 0.00 0.0 M M M
3/25/2010 8:00 AM 0.13 M M M M
3/26/2010 8:00 AM 0.03 M M M M
3/27/2010 8:00 AM 0.00 0.0 M M M
3/28/2010 7:00 AM 0.00 0.0 M M M
3/29/2010 8:00 AM 0.01 M M M M
3/30/2010 8:00 AM 0.12 M M M M Precip from warm advection. Cold core low will pass just west as it moves south bringing colder air w/thunder-hail-low snow levels.
3/31/2010 8:00 AM 0.39 M M M M Sunny & cold (for time of year). Low spinning offshore may bring rain later, or may continue south to So-Cal like so many other lows this season.
4/1/2010 8:00 AM 0.57 M M M M Low tracked closer to coast than forecasted bringing steady moderate rain/wind from about 2:30pm - 7:30pm yesterday. Cold morning: 36F.
4/2/2010 8:00 AM 0.03 M M M M
4/3/2010 8:00 AM 0.29 M M M M
4/4/2010 8:00 AM 0.00 0.0 M M M
4/5/2010 8:00 AM 0.64 M M M M Most rain fell yesterday. Unseasonably cold this morning (low of 34.6F) w/ ice on some surfaces.
4/6/2010 8:00 AM 0.03 M M M M
4/7/2010 7:00 AM 0.00 0.0 M M M
4/8/2010 7:00 AM 0.00 0.0 M M M
4/9/2010 7:00 AM 0.00 0.0 M M M
4/10/2010 11:30 AM 0.00 0.0 M M M Interesting to note that it's currently raining (on-off since about 9am), NWS forecast calls for rain to start here in early morning hours tomorrow (they were only off by about 16 hours).
4/11/2010 8:00 AM 0.09 M M M M
4/12/2010 8:00 AM 1.47 M M M M
4/13/2010 8:00 AM 0.28 M M M M
4/14/2010 8:00 AM 0.00 0.0 M M M
4/15/2010 8:00 AM 0.01 M M M M
4/16/2010 7:00 AM 0.00 0.0 M M M
4/17/2010 7:00 AM 0.00 0.0 M M M
4/18/2010 7:00 AM 0.00 0.0 M M M
4/19/2010 7:00 AM 0.00 0.0 M M M
4/20/2010 8:00 AM 0.40 M M M M Rain began early today. Front is past now (along w/steady rain). Upper low expected this afternoon w/TS possible.
4/21/2010 8:00 AM 0.02 M M M M
4/22/2010 7:00 AM 0.00 0.0 M M M
4/23/2010 7:00 AM 0.00 0.0 M M M
4/24/2010 7:00 AM 0.00 0.0 M M M
4/25/2010 7:00 AM 0.00 0.0 M M M
4/26/2010 7:00 AM 0.00 0.0 M M M
4/27/2010 8:00 AM 0.19 M M M M
4/28/2010 8:45 AM 0.12 M M M M Brief pea-sized hail (5 min. duration) at 8:40am
4/29/2010 8:00 AM 0.11 M M M M
4/30/2010 7:00 AM 0.00 0.0 M M M
5/1/2010 7:00 AM 0.00 0.0 M M M
5/2/2010 7:00 AM 0.00 0.0 M M M
5/3/2010 8:00 AM 0.00 0.0 M M M
5/4/2010 8:00 AM 0.00 0.0 M M M
5/5/2010 8:00 AM 0.00 0.0 M M M
5/6/2010 7:00 AM 0.00 0.0 M M M
5/7/2010 7:00 AM 0.00 0.0 M M M
5/8/2010 8:00 AM 0.00 0.0 M M M
5/9/2010 8:00 AM T M M M M
5/10/2010 8:00 AM 0.08 M M M M Rain fell yesterday mid-morning in a short period (less than 1 hour).
5/11/2010 8:00 AM 0.20 M M M M Most rain fell between 10am-2pm. Some showers until 6pm, then clear & cold (low was 38 this a.m., well below average).
5/12/2010 7:00 AM 0.00 0.0 M M M
5/13/2010 7:00 AM 0.00 0.0 M M M
5/14/2010 7:00 AM 0.00 0.0 M M M
5/15/2010 8:00 AM 0.00 0.0 M M M
5/16/2010 7:00 AM 0.00 0.0 M M M
5/17/2010 7:00 AM 0.00 0.0 M M M
5/18/2010 8:00 AM 0.31 M M M M
5/19/2010 8:00 AM 0.00 0.0 M M M
5/20/2010 8:00 AM 0.04 M M M M
5/21/2010 7:00 AM 0.00 0.0 M M M
5/22/2010 7:00 AM 0.00 0.0 M M M
5/23/2010 7:00 AM 0.00 0.0 M M M
5/24/2010 7:00 AM 0.00 0.0 M M M
5/25/2010 8:00 AM T M M M M Very light warm advection precip started about an hour ago. Heavier rains approaching just off coast.
5/26/2010 8:00 AM 0.29 M M M M
5/27/2010 8:00 AM 0.09 M M M M Rain intensity increasing; thunder heard.
5/28/2010 8:00 AM 0.61 M M M M
5/29/2010 8:00 AM 0.00 0.0 M M M
5/30/2010 8:00 AM 0.00 0.0 M M M
5/31/2010 8:00 AM 0.00 0.0 M M M
6/1/2010 7:00 AM 0.00 0.0 M M M
6/2/2010 7:00 AM 0.00 0.0 M M M
6/3/2010 8:00 AM T M M M M
6/4/2010 8:00 AM T M M M M
6/5/2010 8:00 AM T M M M M
6/6/2010 7:00 AM 0.00 0.0 M M M
6/7/2010 7:00 AM 0.00 0.0 M M M
6/8/2010 7:00 AM 0.00 0.0 M M M
6/9/2010 8:00 AM T M M M M
6/10/2010 7:00 AM 0.00 0.0 M M M
6/11/2010 7:00 AM 0.00 0.0 M M M
6/12/2010 7:00 AM 0.00 0.0 M M M
6/13/2010 7:00 AM 0.00 0.0 M M M
6/14/2010 7:00 AM 0.00 0.0 M M M
6/15/2010 8:00 AM 0.00 0.0 M M M
6/16/2010 8:00 AM 0.00 0.0 M M M
6/17/2010 7:00 AM 0.00 0.0 M M M
6/18/2010 7:00 AM 0.00 0.0 M M M
6/19/2010 7:00 AM 0.00 0.0 M M M
6/20/2010 7:00 AM 0.00 0.0 M M M
6/21/2010 7:00 AM 0.00 0.0 M M M
6/22/2010 7:00 AM 0.00 0.0 M M M
6/23/2010 7:00 AM 0.00 0.0 M M M
6/24/2010 7:00 AM 0.00 0.0 M M M
6/25/2010 7:00 AM 0.00 0.0 M M M
6/26/2010 7:00 AM 0.00 0.0 M M M
6/27/2010 7:00 AM 0.00 0.0 M M M
6/28/2010 7:00 AM 0.00 0.0 M M M
6/29/2010 7:00 AM 0.00 0.0 M M M
6/30/2010 7:00 AM 0.00 0.0 M M M
7/1/2010 7:00 AM 0.00 0.0 M M M
7/2/2010 7:00 AM 0.00 0.0 M M M
7/3/2010 7:00 AM 0.00 0.0 M M M
7/4/2010 7:00 AM 0.00 0.0 M M M
7/5/2010 7:00 AM 0.00 0.0 M M M
7/6/2010 8:00 AM 0.00 0.0 M M M
7/7/2010 7:00 AM 0.00 0.0 M M M
7/8/2010 7:00 AM 0.00 0.0 M M M
7/9/2010 7:00 AM 0.00 0.0 M M M
7/10/2010 7:00 AM 0.00 0.0 M M M
7/11/2010 7:00 AM 0.00 0.0 M M M
7/12/2010 8:00 AM T M M M M Drizzle from heavy fog.
7/13/2010 7:00 AM 0.00 0.0 M M M
7/14/2010 7:00 AM 0.00 0.0 M M M
7/15/2010 7:00 AM 0.00 0.0 M M M
7/16/2010 7:00 AM 0.00 0.0 M M M
7/17/2010 7:00 AM 0.00 0.0 M M M
7/18/2010 7:00 AM 0.00 0.0 M M M
7/19/2010 7:00 AM 0.00 0.0 M M M
7/20/2010 8:00 AM 0.00 0.0 M M M
7/21/2010 7:00 AM 0.00 0.0 M M M
7/22/2010 7:00 AM 0.00 0.0 M M M
7/23/2010 7:00 AM 0.00 0.0 M M M
7/24/2010 7:00 AM 0.00 0.0 M M M
7/25/2010 8:00 AM T M M M M Drizzle from marine layer (fog).
7/26/2010 7:00 AM T 0.0 M M M Drizzle from marine layer (fog).
7/27/2010 7:00 AM 0.00 0.0 M M M
7/28/2010 7:00 AM 0.00 0.0 M M M
7/29/2010 7:00 AM 0.00 0.0 M M M
7/30/2010 7:00 AM 0.00 0.0 M M M
7/31/2010 7:00 AM 0.00 0.0 M M M
8/1/2010 7:00 AM 0.00 0.0 M M M
8/2/2010 8:00 AM T M M M M Drizzle from marine layer clouds.
8/3/2010 7:00 AM 0.00 0.0 M M M
8/4/2010 7:00 AM 0.00 0.0 M M M
8/5/2010 7:00 AM 0.00 0.0 M M M
8/6/2010 7:00 AM 0.00 0.0 M M M
8/7/2010 7:00 AM 0.00 0.0 M M M
8/8/2010 7:00 AM 0.00 0.0 M M M
8/9/2010 8:00 AM T M M M M Drizzle from marine layer (fog).
8/10/2010 7:00 AM 0.00 0.0 M M M
8/11/2010 8:00 AM T M M M M Drizzle from marine layer (fog).
8/12/2010 8:00 AM 0.00 0.0 M M M Drizzle from unusually deep, frequent marine layer this summer. Fog burned off at around 2pm yesterday, but was back by 5:30pm.
8/13/2010 7:00 AM 0.00 0.0 M M M
8/14/2010 8:00 AM T M M M M Drizzle from heavy marine layer, again.
8/15/2010 7:00 AM 0.00 0.0 M M M
8/16/2010 7:00 AM 0.00 0.0 M M M
8/17/2010 7:00 AM 0.00 0.0 M M M
8/18/2010 7:00 AM 0.00 0.0 M M M
8/19/2010 7:00 AM 0.00 0.0 M M M
8/20/2010 7:00 AM 0.00 0.0 M M M
8/21/2010 7:00 AM 0.00 0.0 M M M
8/22/2010 7:00 AM 0.00 0.0 M M M
8/23/2010 7:00 AM 0.00 0.0 M M M
8/24/2010 7:00 AM 0.00 0.0 M M M
8/25/2010 7:00 AM 0.00 0.0 M M M
8/26/2010 7:00 AM 0.00 0.0 M M M
8/27/2010 7:00 AM 0.00 0.0 M M M
8/28/2010 7:00 AM 0.00 0.0 M M M
8/29/2010 7:00 AM 0.00 0.0 M M M
8/30/2010 7:00 AM 0.00 0.0 M M M
8/31/2010 8:00 AM T M M M M Drizzle from heavy marine layer (visibility less than 1/8 mile).
9/1/2010 8:00 AM 0.00 0.0 M M M
9/2/2010 7:00 AM 0.00 0.0 M M M
9/3/2010 7:00 AM 0.00 0.0 M M M
9/4/2010 7:00 AM 0.00 0.0 M M M
9/5/2010 7:00 AM 0.00 0.0 M M M
9/6/2010 7:00 AM 0.00 0.0 M M M
9/7/2010 7:00 AM 0.00 0.0 M M M
9/8/2010 7:00 AM 0.00 0.0 M M M
9/9/2010 7:00 AM 0.00 0.0 M M M
9/10/2010 7:00 AM 0.00 0.0 M M M
9/11/2010 7:00 AM 0.00 0.0 M M M
9/12/2010 7:00 AM 0.00 0.0 M M M
9/13/2010 7:00 AM 0.00 0.0 M M M
9/14/2010 7:00 AM 0.00 0.0 M M M
9/15/2010 7:00 AM 0.00 0.0 M M M
9/16/2010 7:00 AM 0.00 0.0 M M M
9/17/2010 7:00 AM 0.00 0.0 M M M
9/18/2010 7:00 AM 0.00 0.0 M M M
9/19/2010 7:00 AM 0.00 0.0 M M M
9/20/2010 8:00 AM 0.01 0.0 M M M First storm related precip of the season (july 1 - June 30).
9/21/2010 7:00 AM 0.00 0.0 M M M
9/22/2010 7:00 AM 0.00 0.0 M M M
9/23/2010 7:00 AM 0.00 0.0 M M M
9/24/2010 7:00 AM 0.00 0.0 M M M
9/25/2010 7:00 AM 0.00 0.0 M M M
9/26/2010 7:00 AM 0.00 0.0 M M M
9/27/2010 7:00 AM 0.00 0.0 M M M
9/28/2010 7:00 AM 0.00 0.0 M M M
9/29/2010 7:00 AM 0.00 0.0 M M M
9/30/2010 7:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/19/2009 10/21/2009 2:00 PM 3 0.67 M M
11/6/2009 11/07/2009 8:00 AM 2 0.18 M M Majority of rain fell yesterday morning.
2/25/2010 2/28/2010 3:00 PM 4 0.98 M M Mostly sunny, 72.5 F., light winds, at time gauge was emptied.



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