Station Overview Station Location
Station Number CA-SN-55 Latitude 38.289952
Station Name Sonoma 1.9 E Longitude -122.424944
County Sonoma Elevation (ft) 124



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 1.64 1.75 4 1.75 4 0.00 0 0 4 0 0.0 0 0
Nov 11 3.70 1.64 6 1.64 6 0.00 0 0 6 0 0.0 0 0
Dec 11 5.78 0.38 3 0.38 3 0.00 0 0 3 0 0.0 0 0
Jan 12 6.14 5.49 5 5.49 5 0.00 0 0 5 0 0.0 0 0
Feb 12 6.11 1.68 10 1.68 10 0.00 0 0 9 0 0.0 0 0
March 12 4.47 8.01 15 8.01 15 0.00 0 0 15 0 0.0 0 0
April 12 1.88 2.31 7 2.31 7 0.00 0 0 7 0 0.0 0 0
May 12 1.11 0.14 2 0.14 2 0.00 0 0 1 0 0.0 0 0
June 12 0.20 0.06 2 0.06 2 0.00 0 0 2 0 0.0 0 0
July 12 0.01 0.00 1 0.00 1 0.00 0 0 0 1 0.0 0 0
Aug 12 0.09 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 12 0.23 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 31.36" 21.46" 55 days 21.46" 55 0.00" 0 days 0 52 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
10/2/2011
10/3/2011
10/4/2011 0.39
10/5/2011 0.95
10/6/2011 0.15
10/7/2011
10/8/2011
10/9/2011
10/10/2011
10/11/2011 0.26
10/12/2011
10/13/2011
10/14/2011
10/15/2011
10/16/2011
10/17/2011
10/18/2011
10/19/2011
10/20/2011
10/21/2011
10/22/2011
10/23/2011
10/24/2011
10/25/2011
10/26/2011
10/27/2011
10/28/2011
10/29/2011
10/30/2011
10/31/2011
11/1/2011
11/2/2011 0.05
11/3/2011
11/4/2011
11/5/2011
11/6/2011 0.53
11/7/2011
11/8/2011
11/9/2011
11/10/2011
11/11/2011
11/12/2011 0.13
11/13/2011
11/14/2011
11/15/2011
11/16/2011
11/17/2011
11/18/2011
11/19/2011 0.20
11/20/2011 0.68
11/21/2011 0.05
11/22/2011
11/23/2011
11/24/2011
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 0.06
12/13/2011
12/14/2011
12/15/2011 0.24
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 0.08
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 0.90
1/21/2012 2.38
1/22/2012 0.02
1/23/2012 2.16
1/24/2012 0.03
1/25/2012
1/26/2012
1/27/2012
1/28/2012
1/29/2012
1/30/2012
1/31/2012
2/1/2012 0.07
2/2/2012
2/3/2012
2/4/2012
2/5/2012
2/6/2012
2/7/2012 0.51
2/8/2012 0.10
2/9/2012
2/10/2012
2/11/2012 0.07
2/12/2012 0.01
2/13/2012 0.31
2/14/2012 0.09
2/15/2012
2/16/2012
2/17/2012
2/18/2012
2/19/2012
2/20/2012 0.00
2/21/2012 0.04
2/22/2012
2/23/2012
2/24/2012
2/25/2012
2/26/2012
2/27/2012
2/28/2012
2/29/2012 0.48
3/1/2012 0.24
3/2/2012 0.22
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 0.02
3/13/2012 0.32
3/14/2012 1.76
3/15/2012 0.85
3/16/2012 0.21
3/17/2012 1.07
3/18/2012 0.04
3/19/2012
3/20/2012
3/21/2012
3/22/2012
3/23/2012
3/24/2012 0.07
3/25/2012 1.37
3/26/2012
3/27/2012 0.04
3/28/2012 1.64
3/29/2012 0.04
3/30/2012
3/31/2012 0.12
Day of YearDaily PrcpMultiday Prcp
4/1/2012 0.51
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 0.25
4/11/2012 0.49
4/12/2012 0.47
4/13/2012 0.47
4/14/2012 0.05
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 0.07
4/27/2012
4/28/2012
4/29/2012
4/30/2012
5/1/2012
5/2/2012
5/3/2012 0.00
5/4/2012 0.14
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 0.02
6/5/2012 0.04
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 T
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
10/4/2011 8:00 AM 0.39 M M M M light mist now but is supposed to rain more today, then clearing with another larger storm Wed & Thurs
10/5/2011 8:00 AM 0.95 M M M M WOW! fortuntly the ground is pretty dry so there is no run off....sun is bright, not a cloud in the sky looks like a pleasant day...
10/6/2011 8:00 AM 0.15 M M M M cloudy this am with more rain in forecast.......clearing later today & it looks like we will have a nice weekend with plenty of sunshine.....
10/11/2011 8:00 AM 0.26 M M M M drizzle expected the AM than clearing & some sun......
11/2/2011 8:00 AM 0.05 M M M M forgot to report this Wed.....busy, busy week!
11/6/2011 8:00 AM 0.53 M M M M finally some measurable rain....bright & sunny but cool, had a bit of frost Thurs & Fri...week ahead looks nice......
11/12/2011 8:00 AM 0.13 M M M M sun is trying to peak out...forecast calls for clearing skies & some warming temps next week......
11/19/2011 8:00 AM 0.20 M M M M burrr..it's cold today but sun is shining & sky is clear......forecast calls for more rain later today & possibly tomorrow........
11/20/2011 8:00 AM 0.68 M M M M more showers today & then clearing...right now the sky is black so I expect rain any time...not as cold as yesterday at this time......
11/21/2011 8:00 AM 0.05 M M M M
12/12/2011 8:00 AM 0.06 M M M M this small amt. of rain is hardly worth firing up the computer for.......at least it has warmed up some...we had freezing everyday last week, lots of frost & homeowners scrambling to cover frost tender plants....forecast calls for more rain by Thursday......
12/15/2011 8:00 AM 0.24 M M M M
12/31/2011 8:00 AM 0.08 M M M M
1/20/2012 8:00 AM 0.90 M M M M Please note new email add......mholecek19322@comcast.net......WOW! what a lot of rain but still way below what we should have...it is still drizzling & should continue through weekend & then next week back to sunshine.....
1/21/2012 8:00 AM 2.38 M M M M I think this is the most rain I've ever recorded in a 24 hr. period...few cloud in the sky & more rain forecast for today & tomorrow....the ground is so dry that there is very little run off......
1/22/2012 8:00 AM 0.02 M M M M It is just starting to rain again....forecast for today calls for rain, sometimes heavy...rain is forcast for the football game between the 49'ers & Giants........GO NINER'S........
1/23/2012 8:00 AM 2.16 M M M M most of this rain was during the night..ditches are full but not overflowing yet.....forecast calls for clearing & pleasant weather for the rest of the week..
1/24/2012 8:00 AM 0.03 M M M M rain has moved on......forecast calls for clear weather at least til Fri....it is foggy this am....
2/1/2012 8:00 AM 0.07 M M M M
2/7/2012 8:00 AM 0.51 M M M M wonderful rain! It is supposed to continue much of today & then clearing with warmer temps forecast by the weekend...we really need the moisture.
2/8/2012 8:00 AM 0.10 M M M M rain gone & bright, sunny & will remaine like this for several days....
2/11/2012 8:00 AM 0.07 M M M M still a bit drizzly...showers expected tomorrow...we sure do need a lot more rain
2/12/2012 8:00 AM 0.01 M M M M according to reports we were supposed to have rain by this am..no rain but lots of fog, which has burned off & the sun is bright, high clouds, not rain clouds, maybe later today the rain will come...we sure do need it.......
2/13/2012 8:00 AM 0.31 M M M M not much but enough to measure...forecast calls for more showers today & then clearing.
2/14/2012 8:00 AM 0.09 M M M M cold but bright sunny maornig....not a cloud in the sky
2/20/2012 8:00 AM 0.00 0.0 M M M Just a trace this AM....it's cloudy & forecast calls for clouds most of the day with MAYBE some light rain..
2/21/2012 8:00 AM 0.04 M M M M
2/29/2012 8:00 AM 0.48 M M M M still misty & forecast calls for more rain today.....
3/1/2012 8:00 AM 0.24 M M M M had a busy day today but did read my guage as usual, just got home a bit ago so that is why i'm so LATE...still drizzling, forecast calls for clearing later today & then warming up for the weekend....
3/2/2012 8:00 AM 0.22 M M M M lots of sun today, warming trend this weekend, rain again possibly Tues/Wed
3/12/2012 8:00 AM 0.02 M M M M forecast for the past several days have called for a lot rain....well as you can see I didn't get a spit in the oceas...supposed to be cloudy with rain all day & we have lots of sunshine! Did have some light frost this AM but NO RAIN......
3/13/2012 8:30 AM 0.32 M M M M the rain has come......its been steady all day...should have a good amount to report tomorrow...
3/14/2012 8:00 AM 1.76 M M M M WOW! the rain has come...lots of run off, some roads closed...another storm is coming this PM about 3 o'clock, followed by more storms through the weekend..
3/15/2012 8:00 AM 0.85 M M M M no rain yet this AM...rain should continue off & on today & then another storm tomorrow......
3/16/2012 8:00 AM 0.21 M M M M
3/17/2012 7:00 AM 1.07 M M M M light dusting of frost this AM...more showers today...nestweek should be dry with cold temps....
3/18/2012 8:00 AM 0.04 M M M M
3/24/2012 8:00 AM 0.07 M M M M it's been drizzling all morning....forecast calls for rain through next week...we had light frost this past Monday & Tuesday, grapes are budding so that is not good...vineyards had there fans going......
3/25/2012 8:00 AM 1.37 M M M M we have a little bit of a break but forecast calls for more of the same today......
3/27/2012 8:00 AM 0.04 M M M M forecast had called for a big storm starting about midnight, well as you can note it did not happen..still dripping & cold (about 51)
3/28/2012 7:15 AM 1.64 M M M M WOW! moderate rain fall yesterday till about 3 PM & we had heavy rain...doesn't appear to be any flooding...forecast calls for some clearing today & Fri & maybe more rain for the weekend
3/29/2012 8:00 AM 0.04 M M M M clear & cool, some high fog....forecast calls for rain returning on Saturday...rain totals are climbing, rivers, lakes & reserviors are gradually reaching "normal" capacity for this time of the year....
3/31/2012 8:00 AM 0.12 M M M M looks like it will be a whopper today, not much rain until about 30 min. ago but it is coming down pretty good with lots of wind....should clear by tomorrow
4/1/2012 8:00 AM 0.51 M M M M
4/10/2012 8:00 AM 0.25 M M M M rain has been steady all day.....forecasts call for rain through Fri & then clearing for weekend...
4/11/2012 8:00 AM 0.49 M M M M
4/12/2012 8:00 AM 0.47 M M M M more rain today, although we have clear blue skies ths AM...numbers gradually climbing, which is good as we need the water
4/13/2012 8:00 AM 0.47 M M M M more rain & possible thunder showere today, then clearing with warmer temps....
4/14/2012 8:00 AM 0.05 M M M M rain has stopped for a bit...lots of sunshine, but cool & brezzy......
4/26/2012 8:00 AM 0.07 M M M M not much rain but every drop matters.....supposed to have showers off & on today, then clearing & warmer weather......
5/3/2012 8:00 AM 0.00 0.0 M M M barley a T today....forecast calls for some showers...it's cool......
5/4/2012 8:00 AM 0.14 M M M M sorry I'm late today...beautiful weather, a slight breeze, lots of sun & about ten+ degrees warmer than yesterday....
6/4/2012 8:00 AM 0.02 M M M M unusual to have rain in June, but we do....not much, forecast calls for more of the same off & on today,clearing & warming temps by Wed......
6/5/2012 8:00 AM 0.04 M M M M sorry I'm late...cool temps.forecast calls for warming tomorrow & Thurs....
7/17/2012 8:00 AM T M M M M surprise this am....a very little drizzle, stopped & than a bit more about 9:30 am........



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