Station Overview Station Location
Station Number CA-MA-8 Latitude 37.116
Station Name Chowchilla 0.3 E Longitude -120.252
County Madera Elevation (ft) 238



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 15 0.74 0.15 31 0.15 31 0.00 0 0 3 0 0.0 0 0
Nov 15 1.32 2.44 30 2.44 30 0.00 0 0 5 0 0.0 0 0
Dec 15 2.00 2.06 31 2.06 31 0.00 0 0 6 0 0.0 0 0
Jan 16 2.50 3.90 31 3.90 31 0.00 0 0 12 3 0.0 0 0
Feb 16 2.26 0.76 29 0.76 29 0.00 0 0 2 0 0.0 0 0
March 16 2.15 3.28 31 3.28 31 0.00 0 0 8 0 0.0 0 0
April 16 1.01 1.62 30 1.62 30 0.00 0 0 4 1 0.0 0 0
May 16 0.47 0.00 31 0.00 31 0.00 0 0 0 0 0.0 0 0
June 16 0.12 0.00 30 0.00 30 0.00 0 0 0 0 0.0 0 0
July 16 0.01 0.00 31 0.00 31 0.00 0 0 0 0 0.0 0 0
Aug 16 0.02 0.00 31 0.00 31 0.00 0 0 0 0 0.0 0 0
Sept 16 0.17 0.00 30 0.00 30 0.00 0 0 0 1 0.0 0 0
Water Year Totals: 12.77" 14.21" 366 days 14.21" 366 0.00" 0 days 0 40 days 5 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
10/1/2015 0.00
10/2/2015 0.00
10/3/2015 0.00
10/4/2015 0.00
10/5/2015 0.00
10/6/2015 0.00
10/7/2015 0.00
10/8/2015 0.00
10/9/2015 0.00
10/10/2015 0.00
10/11/2015 0.00
10/12/2015 0.00
10/13/2015 0.00
10/14/2015 0.00
10/15/2015 0.03
10/16/2015 0.03
10/17/2015 0.00
10/18/2015 0.00
10/19/2015 0.00
10/20/2015 0.00
10/21/2015 0.00
10/22/2015 0.00
10/23/2015 0.00
10/24/2015 0.00
10/25/2015 0.00
10/26/2015 0.00
10/27/2015 0.00
10/28/2015 0.09
10/29/2015 0.00
10/30/2015 0.00
10/31/2015 0.00
11/1/2015 0.00
11/2/2015 0.00
11/3/2015 1.45
11/4/2015 0.00
11/5/2015 0.00
11/6/2015 0.00
11/7/2015 0.00
11/8/2015 0.00
11/9/2015 0.00
11/10/2015 0.34
11/11/2015 0.02
11/12/2015 0.00
11/13/2015 0.00
11/14/2015 0.00
11/15/2015 0.00
11/16/2015 0.30
11/17/2015 0.00
11/18/2015 0.00
11/19/2015 0.00
11/20/2015 0.00
11/21/2015 0.00
11/22/2015 0.00
11/23/2015 0.00
11/24/2015 0.00
11/25/2015 0.33
11/26/2015 0.00
11/27/2015 0.00
11/28/2015 0.00
11/29/2015 0.00
11/30/2015 0.00
12/1/2015 0.00
12/2/2015 0.00
12/3/2015 0.00
12/4/2015 0.05
12/5/2015 0.00
12/6/2015 0.00
12/7/2015 0.00
12/8/2015 0.00
12/9/2015 0.00
12/10/2015 0.00
12/11/2015 0.29
12/12/2015 0.00
12/13/2015 0.00
12/14/2015 0.14
12/15/2015 0.00
12/16/2015 0.00
12/17/2015 0.00
12/18/2015 0.00
12/19/2015 0.00
12/20/2015 0.31
12/21/2015 0.00
12/22/2015 0.95
12/23/2015 0.00
12/24/2015 0.00
12/25/2015 0.32
12/26/2015 0.00
12/27/2015 0.00
12/28/2015 0.00
12/29/2015 0.00
12/30/2015 0.00
12/31/2015 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2016 0.00
1/2/2016 0.00
1/3/2016 0.00
1/4/2016 0.00
1/5/2016 0.25
1/6/2016 0.30
1/7/2016 0.69
1/8/2016 0.00
1/9/2016 0.02
1/10/2016 T
1/11/2016 0.00
1/12/2016 0.00
1/13/2016 0.00
1/14/2016 0.00
1/15/2016 0.10
1/16/2016 0.10
1/17/2016 0.00
1/18/2016 0.62
1/19/2016 0.59
1/20/2016 0.30
1/21/2016 0.00
1/22/2016 T
1/23/2016 0.59
1/24/2016 T
1/25/2016 0.00
1/26/2016 0.00
1/27/2016 0.00
1/28/2016 0.00
1/29/2016 0.00
1/30/2016 0.11
1/31/2016 0.23
2/1/2016 0.45
2/2/2016 0.00
2/3/2016 0.00
2/4/2016 0.00
2/5/2016 0.00
2/6/2016 0.00
2/7/2016 0.00
2/8/2016 0.00
2/9/2016 0.00
2/10/2016 0.00
2/11/2016 0.00
2/12/2016 0.00
2/13/2016 0.00
2/14/2016 0.00
2/15/2016 0.00
2/16/2016 0.00
2/17/2016 0.00
2/18/2016 0.31
2/19/2016 0.00
2/20/2016 0.00
2/21/2016 0.00
2/22/2016 0.00
2/23/2016 0.00
2/24/2016 0.00
2/25/2016 0.00
2/26/2016 0.00
2/27/2016 0.00
2/28/2016 0.00
2/29/2016 0.00
3/1/2016 0.00
3/2/2016 0.00
3/3/2016 0.00
3/4/2016 0.04
3/5/2016 0.65
3/6/2016 0.60
3/7/2016 0.52
3/8/2016 0.05
3/9/2016 0.00
3/10/2016 0.00
3/11/2016 0.00
3/12/2016 0.91
3/13/2016 0.00
3/14/2016 0.49
3/15/2016 0.00
3/16/2016 0.00
3/17/2016 0.00
3/18/2016 0.00
3/19/2016 0.00
3/20/2016 0.00
3/21/2016 0.00
3/22/2016 0.02
3/23/2016 0.00
3/24/2016 0.00
3/25/2016 0.00
3/26/2016 0.00
3/27/2016 0.00
3/28/2016 0.00
3/29/2016 0.00
3/30/2016 0.00
3/31/2016 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2016 0.00
4/2/2016 0.00
4/3/2016 0.00
4/4/2016 0.00
4/5/2016 0.00
4/6/2016 0.00
4/7/2016 0.00
4/8/2016 0.00
4/9/2016 0.60
4/10/2016 0.75
4/11/2016 0.00
4/12/2016 0.00
4/13/2016 0.00
4/14/2016 0.00
4/15/2016 T
4/16/2016 0.00
4/17/2016 0.00
4/18/2016 0.00
4/19/2016 0.00
4/20/2016 0.00
4/21/2016 0.00
4/22/2016 0.00
4/23/2016 0.18
4/24/2016 0.00
4/25/2016 0.00
4/26/2016 0.00
4/27/2016 0.00
4/28/2016 0.09
4/29/2016 0.00
4/30/2016 0.00
5/1/2016 0.00
5/2/2016 0.00
5/3/2016 0.00
5/4/2016 0.00
5/5/2016 0.00
5/6/2016 0.00
5/7/2016 0.00
5/8/2016 0.00
5/9/2016 0.00
5/10/2016 0.00
5/11/2016 0.00
5/12/2016 0.00
5/13/2016 0.00
5/14/2016 0.00
5/15/2016 0.00
5/16/2016 0.00
5/17/2016 0.00
5/18/2016 0.00
5/19/2016 0.00
5/20/2016 0.00
5/21/2016 0.00
5/22/2016 0.00
5/23/2016 0.00
5/24/2016 0.00
5/25/2016 0.00
5/26/2016 0.00
5/27/2016 0.00
5/28/2016 0.00
5/29/2016 0.00
5/30/2016 0.00
5/31/2016 0.00
6/1/2016 0.00
6/2/2016 0.00
6/3/2016 0.00
6/4/2016 0.00
6/5/2016 0.00
6/6/2016 0.00
6/7/2016 0.00
6/8/2016 0.00
6/9/2016 0.00
6/10/2016 0.00
6/11/2016 0.00
6/12/2016 0.00
6/13/2016 0.00
6/14/2016 0.00
6/15/2016 0.00
6/16/2016 0.00
6/17/2016 0.00
6/18/2016 0.00
6/19/2016 0.00
6/20/2016 0.00
6/21/2016 0.00
6/22/2016 0.00
6/23/2016 0.00
6/24/2016 0.00
6/25/2016 0.00
6/26/2016 0.00
6/27/2016 0.00
6/28/2016 0.00
6/29/2016 0.00
6/30/2016 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2016 0.00
7/2/2016 0.00
7/3/2016 0.00
7/4/2016 0.00
7/5/2016 0.00
7/6/2016 0.00
7/7/2016 0.00
7/8/2016 0.00
7/9/2016 0.00
7/10/2016 0.00
7/11/2016 0.00
7/12/2016 0.00
7/13/2016 0.00
7/14/2016 0.00
7/15/2016 0.00
7/16/2016 0.00
7/17/2016 0.00
7/18/2016 0.00
7/19/2016 0.00
7/20/2016 0.00
7/21/2016 0.00
7/22/2016 0.00
7/23/2016 0.00
7/24/2016 0.00
7/25/2016 0.00
7/26/2016 0.00
7/27/2016 0.00
7/28/2016 0.00
7/29/2016 0.00
7/30/2016 0.00
7/31/2016 0.00
8/1/2016 0.00
8/2/2016 0.00
8/3/2016 0.00
8/4/2016 0.00
8/5/2016 0.00
8/6/2016 0.00
8/7/2016 0.00
8/8/2016 0.00
8/9/2016 0.00
8/10/2016 0.00
8/11/2016 0.00
8/12/2016 0.00
8/13/2016 0.00
8/14/2016 0.00
8/15/2016 0.00
8/16/2016 0.00
8/17/2016 0.00
8/18/2016 0.00
8/19/2016 0.00
8/20/2016 0.00
8/21/2016 0.00
8/22/2016 0.00
8/23/2016 0.00
8/24/2016 0.00
8/25/2016 0.00
8/26/2016 0.00
8/27/2016 0.00
8/28/2016 0.00
8/29/2016 0.00
8/30/2016 0.00
8/31/2016 0.00
9/1/2016 0.00
9/2/2016 0.00
9/3/2016 0.00
9/4/2016 0.00
9/5/2016 0.00
9/6/2016 0.00
9/7/2016 0.00
9/8/2016 0.00
9/9/2016 0.00
9/10/2016 0.00
9/11/2016 0.00
9/12/2016 0.00
9/13/2016 0.00
9/14/2016 0.00
9/15/2016 0.00
9/16/2016 0.00
9/17/2016 0.00
9/18/2016 0.00
9/19/2016 0.00
9/20/2016 0.00
9/21/2016 0.00
9/22/2016 T
9/23/2016 0.00
9/24/2016 0.00
9/25/2016 0.00
9/26/2016 0.00
9/27/2016 0.00
9/28/2016 0.00
9/29/2016 0.00
9/30/2016 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2015 8:00 AM 0.00 0.0 M M M
10/2/2015 8:00 AM 0.00 0.0 M M M
10/3/2015 8:00 AM 0.00 0.0 M M M
10/4/2015 8:00 AM 0.00 0.0 M M M
10/5/2015 8:00 AM 0.00 0.0 M M M
10/6/2015 8:00 AM 0.00 0.0 M M M
10/7/2015 8:00 AM 0.00 0.0 M M M
10/8/2015 8:00 AM 0.00 0.0 M M M
10/9/2015 8:00 AM 0.00 0.0 M M M
10/10/2015 8:00 AM 0.00 0.0 M M M
10/11/2015 8:00 AM 0.00 0.0 M M M
10/12/2015 8:00 AM 0.00 0.0 M M M
10/13/2015 8:00 AM 0.00 0.0 M M M
10/14/2015 8:00 AM 0.00 0.0 M M M
10/15/2015 8:00 AM 0.03 0.0 0.00 M M Brief rain showers the result of sub-tropical moisture and subsequent instability brought 0.03" around 2:00 AM PDT on Thursday, Oct 15th.
10/16/2015 8:00 AM 0.03 0.0 0.00 M M Rain showers with some thundershower activity continued around Central California the result of sub-tropical moisture and instability the evening of Thursday the 15th and ending around dawn on the 16th. A thundershower occurred from 6:30 to 6:50PM at the station.
10/17/2015 8:00 AM 0.00 0.0 M M M
10/18/2015 8:00 AM 0.00 0.0 M M M
10/19/2015 8:00 AM 0.00 0.0 M M M
10/20/2015 8:00 AM 0.00 0.0 M M M
10/21/2015 8:00 AM 0.00 0.0 M M M
10/22/2015 8:00 AM 0.00 0.0 M M M
10/23/2015 8:00 AM 0.00 0.0 M M M
10/24/2015 8:00 AM 0.00 0.0 M M M
10/25/2015 8:00 AM 0.00 0.0 M M M
10/26/2015 8:00 AM 0.00 0.0 M M M
10/27/2015 8:00 AM 0.00 0.0 M M M
10/28/2015 8:00 AM 0.09 0.0 0.00 M M A weak frontal system brought about a tenth of an inch of rain to the Northern San Joaquin Valley just before dawn on Wed, Oct 28th.
10/29/2015 8:00 AM 0.00 0.0 M M M
10/30/2015 8:00 AM 0.00 0.0 M M M
10/31/2015 8:00 AM 0.00 0.0 M M M
11/1/2015 8:00 AM 0.00 0.0 M M M
11/2/2015 8:00 AM 0.00 0.0 M M M
11/3/2015 8:00 AM 1.45 0.0 0.00 M M A Gulf of Alaska cold-front moved over the area starting in the early morning hours of Monday, Nov 2nd. Light to moderate steady rain and occasional heavy rain brought event rain totals around 1 to 1.5" to the Merced/Madera County area of Central California. The steady rain continued until early afternoon. Post-front shower activity into the mid-evening hours contributed about 4/10th" to the rain accumulation. Snow levels in the adjacent Sierra Nevada dropped to 4500-5000 feet MSL.
11/4/2015 8:00 AM 0.00 0.0 M M M
11/5/2015 8:00 AM 0.00 0.0 M M M
11/6/2015 8:00 AM 0.00 0.0 M M M
11/7/2015 8:00 AM 0.00 0.0 M M M
11/8/2015 8:00 AM 0.00 0.0 M M M
11/9/2015 8:00 AM 0.00 0.0 M M M
11/10/2015 8:00 AM 0.34 0.0 0.00 M M Cold-frontal passage over Central California during the wee hours of Monday morning the 9th brought steady rain until just before dawn and then post frontal shower activity over the next 24 hrs.
11/11/2015 8:00 AM 0.02 0.0 0.00 M M Continuing post cold-frontal showers through the observation time Tuesday morning, November 10th. The 2-day rain total was 0.36" at the station
11/12/2015 8:00 AM 0.00 0.0 M M M
11/13/2015 8:00 AM 0.00 0.0 M M M
11/14/2015 8:00 AM 0.00 0.0 M M M
11/15/2015 8:00 AM 0.00 0.0 M M M
11/16/2015 8:00 AM 0.30 0.0 0.00 M M Cold-frontal passage the morning of Sunday the 15th brought 0.24" of rain to the station with another 0.06" in post-frontal rain shower activity in the afternoon and through the middle Sunday Night / Monday morning the 16th.
11/17/2015 8:00 AM 0.00 0.0 M M M
11/18/2015 8:00 AM 0.00 0.0 M M M
11/19/2015 8:00 AM 0.00 0.0 M M M
11/20/2015 8:00 AM 0.00 0.0 M M M
11/21/2015 8:00 AM 0.00 0.0 M M M
11/22/2015 8:00 AM 0.00 0.0 M M M
11/23/2015 8:00 AM 0.00 0.0 M M M
11/24/2015 8:00 AM 0.00 0.0 M M M
11/25/2015 8:00 AM 0.33 0.0 0.00 M M A vigorous and unseasonable cold-front swept through North-Central California the early- to mid-afternoon Tuesday the 24th. Estimated 0.20" of an inch rainfall with the FROPA 1:30 to 3:30PM PST with an additional 0.13" in post-frontal showers late in the evening into the early morning hours of the 25th.
11/26/2015 8:00 AM 0.00 0.0 M M M
11/27/2015 8:00 AM 0.00 0.0 M M M
11/28/2015 8:00 AM 0.00 0.0 M M M
11/29/2015 8:00 AM 0.00 0.0 M M M
11/30/2015 8:00 AM 0.00 0.0 M M M
12/1/2015 8:00 AM 0.00 0.0 M M M
12/2/2015 8:00 AM 0.00 0.0 M M M
12/3/2015 8:00 AM 0.00 0.0 M M M
12/4/2015 8:00 AM 0.05 0.0 0.00 M M A weakening cold-front brought rain to Central California the late afternoon and early evening of Wednesday the 3rd. The weather ahead was in the warm sector with balmy temperatures around 70F...turning blustery and cold by 6:30 PM. The rain ended by mid evening and clearing occurred thereafter with rain only in the frontal band.
12/5/2015 8:00 AM 0.00 0.0 M M M
12/6/2015 8:00 AM 0.00 0.0 M M M
12/7/2015 8:00 AM 0.00 0.0 M M M
12/8/2015 8:00 AM 0.00 0.0 M M M
12/9/2015 8:00 AM 0.00 0.0 M M M
12/10/2015 8:00 AM 0.00 0.0 M M M
12/11/2015 8:00 AM 0.29 0.0 0.00 M M A southeast moving cold-front from the Gulf of Alaska swept through the Central San Joaquin Valley beginning mid-afternoon Thursday the 10th. Total rain from the cold-frontal boundary and post-front showers continued until the wee hours of Friday morning.
12/12/2015 5:00 AM 0.00 0.0 0.00 M M Lingering low level clouds from recent unsettled weather.
12/13/2015 8:00 AM 0.00 0.0 M M M
12/14/2015 8:00 AM 0.14 0.0 0.00 M M Cold-frontal passage during the early afternoon hours of Sunday the 13th brought steady rain for about 2 hours in the station vicinity.
12/15/2015 8:00 AM 0.00 0.0 M M M
12/16/2015 8:00 AM 0.00 0.0 M M M
12/17/2015 8:00 AM 0.00 0.0 M M M
12/18/2015 8:00 AM 0.00 0.0 M M M
12/19/2015 8:00 AM 0.00 0.0 M M M
12/20/2015 8:00 AM 0.31 0.0 0.00 M M A cold-frontal passage and rain band moved through the Chowchilla area from dawn to mid-day bringing an above average rainy day total. Light post-frontal rain showers continued after FROPA ending by evening. Dense fog immediately followed the shower activity with so much surface moisture and light wind.
12/21/2015 8:00 AM 0.00 0.0 M M M
12/22/2015 8:00 AM 0.95 0.0 0.00 M M Moving very slowly southeastward a frontal band accumulated above normal daily rain amounts primarily north of Fresno County in Central California starting in the mid-afternoon Monday afternoon the 21st and then overnight.
12/23/2015 8:00 AM 0.00 0.0 0.00 M M
12/24/2015 8:00 AM 0.00 0.0 M M M
12/25/2015 8:00 AM 0.32 0.0 0.00 M M Light rain occurred late Christmas Eve and early Christmas morning.
12/26/2015 8:00 AM 0.00 0.0 M M M
12/27/2015 8:00 AM 0.00 0.0 M M M
12/28/2015 8:00 AM 0.00 0.0 M M M
12/29/2015 8:00 AM 0.00 0.0 M M M
12/30/2015 8:00 AM 0.00 0.0 M M M
12/31/2015 8:00 AM 0.00 0.0 M M M
1/1/2016 8:00 AM 0.00 0.0 M M M
1/2/2016 8:00 AM 0.00 0.0 M M M
1/3/2016 8:00 AM 0.00 0.0 M M M
1/4/2016 8:00 AM 0.00 0.0 M M M
1/5/2016 8:00 AM 0.25 0.0 0.00 M M After a trace amount of rain in mid-afternoon sprinkles on Monday the 4th..steady rain began around 2:30AM on the 5th and continued in the form of showers through obs time.
1/6/2016 7:00 AM 0.30 0.0 0.00 M M Before obs time the morning of Tuesday the 5th 0.25" of rain fell with an additional 0.15" of rain by 11:00 AM PST. During the mid to late afternoon another 0.15" of rain fell for a 2-day total of 0.55". Moderate rain again began at observation time the morning of Wednesday the 6th.
1/7/2016 8:00 AM 0.69 0.0 0.00 M M Rain began Wednesday morning around obs time and continued until late morning. Mid to late afternoon rain showers occurred and then another band of rain came through during the wee hours of the morning of Thursday the 7th. The station had rain of 0.25" for the 24hrs prior to the morning of the 5th...then 0.30" at 0800PST the 6th...and then this morning report of 0.69" for a 3-day rain total of 1.24".
1/8/2016 8:00 AM 0.00 0.0 M M M
1/9/2016 8:00 AM 0.02 0.0 0.00 M M A very weak frontal passage brought only very light rain and drizzle to the Central San Joaquin Valley just before dawn early the morning of Saturday the 9th.
1/10/2016 8:00 AM T 0.0 0.00 M M A moist layer layer of the atmosphere in post-frontal northwest flow continued a few sprinkles during the afternoon of the 9th and in the early hours of the morning of Sunday the 10th.
1/11/2016 8:00 AM 0.00 0.0 M M M
1/12/2016 8:00 AM 0.00 0.0 M M M
1/13/2016 8:00 AM 0.00 0.0 M M M
1/14/2016 8:00 AM 0.00 0.0 M M M
1/15/2016 8:00 AM 0.10 0.0 0.00 M M After some trace amounts of rain Thursday afternoon from the first of several expected frontal passages over the coming week. Measurable rain began around 3:30AM PST with the area on the southern edge of a weak frontal system.
1/16/2016 8:00 AM 0.10 0.0 0.00 M M
1/17/2016 8:00 AM 0.00 0.0 M M M
1/18/2016 8:00 AM 0.62 0.0 0.00 M M Rain began just before midnight associated with a WNW to ESE frontal passage during the early morning hours. The back edge of the frontal band passes just after dawn and rain ceased just before observation time.
1/19/2016 9:13 AM 0.59 0.0 0.00 M M Rain began across Central California just before dawn with light to occasionally moderate rain occurring through the reported obs tim e.
1/20/2016 8:00 AM 0.30 0.0 0.00 M M Frontal passage was bringing rain to Central California at the time of observation Tuesday the 19th. Rain ended mid-day depositing an additional 0.30" of rain for a station storm total of 0.89".
1/21/2016 8:00 AM 0.00 0.0 M M M
1/22/2016 8:00 AM T 0.0 0.00 M M An oncoming frontal system with large precipitable water content upstream was beginning to stream over the site at observation time with just sprinkles initially.
1/23/2016 7:00 AM 0.59 0.0 0.00 M M Rain began shortly after observation on Friday the 22nd continuing until very early afternoon. Rain.. light to occasionally moderate in a slow-moving frontal passage tapping moisture from the west.. then began again at 1800PST and continued until ending around dawn providing a moist 24-hour period for Central California.
1/24/2016 7:00 AM T 0.0 0.00 M M Post-frontal cool air aloft combined with surface heating thereby providing mid- to late-afternoon rain shower activity Saturday the 23rd. Only a few sprinkles were observed at the station with convection showers obvious surrounding the station.
1/25/2016 8:00 AM 0.00 0.0 M M M
1/26/2016 8:00 AM 0.00 0.0 M M M
1/27/2016 8:00 AM 0.00 0.0 M M M
1/28/2016 8:00 AM 0.00 0.0 M M M
1/29/2016 8:00 AM 0.00 0.0 M M M
1/30/2016 6:00 AM 0.11 0.0 0.00 M M Early Observation Time...A zonal flow aloft over Northern California has only slowly moved southward overnight and finally began to bring rain a couple of hours after midnight for the Northern San Joaquin Valley.
1/31/2016 8:00 AM 0.23 0.0 0.00 M M Rain began in the very early pre-dawn hours of the 31st.
2/1/2016 8:00 AM 0.45 0.0 0.00 M M Light to moderate rain tapered off 1:00 PM PST Sunday the 31st. Afternoon convection brought widely scattered showers around the North San Joaquin Valley but just not at the station. Storm total at station was 0.79".
2/2/2016 8:00 AM 0.00 0.0 M M M
2/3/2016 8:00 AM 0.00 0.0 M M M
2/4/2016 8:00 AM 0.00 0.0 M M M
2/5/2016 8:00 AM 0.00 0.0 M M M
2/6/2016 8:00 AM 0.00 0.0 M M M
2/7/2016 8:00 AM 0.00 0.0 M M M
2/8/2016 8:00 AM 0.00 0.0 M M M
2/9/2016 8:00 AM 0.00 0.0 M M M
2/10/2016 8:00 AM 0.00 0.0 M M M
2/11/2016 8:00 AM 0.00 0.0 M M M
2/12/2016 8:00 AM 0.00 0.0 M M M
2/13/2016 8:00 AM 0.00 0.0 M M M
2/14/2016 8:00 AM 0.00 0.0 M M M
2/15/2016 8:00 AM 0.00 0.0 M M M
2/16/2016 8:00 AM 0.00 0.0 M M M
2/17/2016 8:00 AM 0.00 0.0 M M M
2/18/2016 8:00 AM 0.31 0.0 0.00 M M A lone frontal passage brought light rain overnight to Central California.
2/19/2016 8:00 AM 0.00 0.0 M M M
2/20/2016 8:00 AM 0.00 0.0 M M M
2/21/2016 8:00 AM 0.00 0.0 M M M
2/22/2016 8:00 AM 0.00 0.0 M M M
2/23/2016 8:00 AM 0.00 0.0 M M M
2/24/2016 8:00 AM 0.00 0.0 M M M
2/25/2016 8:00 AM 0.00 0.0 M M M
2/26/2016 8:00 AM 0.00 0.0 M M M
2/27/2016 8:00 AM 0.00 0.0 M M M
2/28/2016 8:00 AM 0.00 0.0 M M M
2/29/2016 8:00 AM 0.00 0.0 M M M
3/1/2016 8:00 AM 0.00 0.0 M M M
3/2/2016 8:00 AM 0.00 0.0 M M M
3/3/2016 8:00 AM 0.00 0.0 M M M
3/4/2016 8:00 AM 0.04 0.0 0.00 M M Overnight rain from a weak frontal system.
3/5/2016 8:00 AM 0.65 M M M M Light showers in a warm-frontal passage began at 2:00PM Friday the 4th...subsequently more rain overnight. Rain at the time of observation.
3/6/2016 8:00 AM 0.60 0.0 0.00 M M With rain showers ceasing just before dawn the observation period was marked by light to moderate rain and shower activity.
3/7/2016 8:00 AM 0.52 0.0 0.00 M M Rainfall associated with a Gulf of Alaska weather system began just after midnight the morning of Monday March 7th and just beginning to diminish at observation time.
3/8/2016 8:00 AM 0.05 0.0 0.00 M M Overnight rain early on Monday the 7th continued until mid-morning and then turned to light sprinkles and showers until 3 PM PST. The 3-day rain event brought 1.82" to the station.
3/9/2016 8:00 AM 0.00 0.0 M M M
3/10/2016 8:00 AM 0.00 0.0 M M M
3/11/2016 8:00 AM 0.00 0.0 M M M
3/12/2016 8:00 AM 0.91 0.0 0.00 M M A cold-front swept through Central California with the center of the associated Low Pressure Center coming onshore abreast of Santa Rosa in Northern California. Very heavy rain occurred Saturday March 11th at mid-day with 0.25" falling in a 35-minute period. Frontal rain amount of 0.72" ended at 1530PST with a thunderstorm around 1500PST. Post-frontal light rain showers accumulated another 0.19" between 2000PST and 0100PST.
3/13/2016 8:00 AM 0.00 0.0 M M M
3/14/2016 8:00 AM 0.49 0.0 0.00 M M Rain began at the observation site at 8:00am PDT Sunday morning the 13th and continued off and on through the 24 hour period ending around 8am Monday morning. Total station rainfall 1.40" within last 72 hours (the 11th and 13th).
3/15/2016 8:00 AM 0.00 0.0 M M M
3/16/2016 8:00 AM 0.00 0.0 M M M
3/17/2016 8:00 AM 0.00 0.0 M M M
3/18/2016 8:00 AM 0.00 0.0 M M M
3/19/2016 8:00 AM 0.00 0.0 M M M
3/20/2016 8:00 AM 0.00 0.0 M M M
3/21/2016 8:00 AM 0.00 0.0 M M M
3/22/2016 8:00 AM 0.02 0.0 0.00 M M A very light rain began very early afternoon of monday March 21st with just occasional sprinkles until early evening when measureable rain finally occurred.
3/23/2016 8:00 AM 0.00 0.0 M M M
3/24/2016 8:00 AM 0.00 0.0 M M M
3/25/2016 8:00 AM 0.00 0.0 M M M
3/26/2016 8:00 AM 0.00 0.0 M M M
3/27/2016 8:00 AM 0.00 0.0 M M M
3/28/2016 8:00 AM 0.00 0.0 M M M
3/29/2016 8:00 AM 0.00 0.0 M M M
3/30/2016 8:00 AM 0.00 0.0 M M M
3/31/2016 8:00 AM 0.00 0.0 M M M
4/1/2016 8:00 AM 0.00 0.0 M M M
4/2/2016 8:00 AM 0.00 0.0 M M M
4/3/2016 8:00 AM 0.00 0.0 M M M
4/4/2016 8:00 AM 0.00 0.0 M M M
4/5/2016 8:00 AM 0.00 0.0 M M M
4/6/2016 8:00 AM 0.00 0.0 M M M
4/7/2016 8:00 AM 0.00 0.0 M M M
4/8/2016 8:00 AM 0.00 0.0 M M M
4/9/2016 8:00 AM 0.60 0.0 0.00 M M Rain began to all Friday evening the 8th and continued through observation time Saturday morning the 9th in Central California.
4/10/2016 8:00 AM 0.75 0.0 0.00 M M light to moderate rain continued to fall on Saturday the 9th until early afternoon providing about 0.72" during that time period. An additional 0.03" fell during the 2 AM to 7AM PDT time period early Sunday morning the 10th.
4/11/2016 8:00 AM 0.00 0.0 M M M
4/12/2016 8:00 AM 0.00 0.0 M M M
4/13/2016 8:00 AM 0.00 0.0 M M M
4/14/2016 8:00 AM 0.00 0.0 M M M
4/15/2016 8:00 AM T 0.0 0.00 M M Only very light sprinkles occurred on the southern extent of a very weak cold-front at the observation site from 08:30 AM to about 9:45 AM PDT the morning of Thursday the 14th.
4/16/2016 8:00 AM 0.00 0.0 M M M
4/17/2016 8:00 AM 0.00 0.0 M M M
4/18/2016 8:00 AM 0.00 0.0 M M M
4/19/2016 8:00 AM 0.00 0.0 M M M
4/20/2016 8:00 AM 0.00 0.0 M M M
4/21/2016 8:00 AM 0.00 0.0 M M M
4/22/2016 8:00 AM 0.00 0.0 M M M
4/23/2016 8:00 AM 0.18 0.0 0.00 M M A classic, fast-moving, vigorous cold-front swept through Central California the afternoon of Friday, April 22nd. Heavy rain occurred at frontal passage at the station along with a definitive wind shift at 1:10PM PDT. Isolated post-frontal thunderstorm and showers occurred from Fresno northward during the mid-afternoon to early evening hours. Clearing occurred by mid-evening.
4/24/2016 8:00 AM 0.00 0.0 M M M
4/25/2016 8:00 AM 0.00 0.0 M M M
4/26/2016 8:00 AM 0.00 0.0 M M M
4/27/2016 8:00 AM 0.00 0.0 M M M
4/28/2016 8:00 AM 0.09 0.0 0.00 M M Instability associated with a fast-moving cold-front through Central California brought embedded thundershowers in short, intense rainfall around mid-day in the Northern San Joaquin Valley.
4/29/2016 8:00 AM 0.00 0.0 M M M
4/30/2016 8:00 AM 0.00 0.0 M M M
5/1/2016 8:00 AM 0.00 0.0 M M M
5/2/2016 8:00 AM 0.00 0.0 M M M
5/3/2016 8:00 AM 0.00 0.0 M M M
5/4/2016 8:00 AM 0.00 0.0 M M M
5/5/2016 8:00 AM 0.00 0.0 M M M
5/6/2016 8:00 AM 0.00 0.0 M M M Instability and convective showers from an upper low off and over Southern California brought rain south of the obs site overnight but nothing noted at the station.
5/7/2016 8:00 AM 0.00 0.0 M M M
5/8/2016 8:00 AM 0.00 0.0 M M M
5/9/2016 8:00 AM 0.00 0.0 M M M
5/10/2016 8:00 AM 0.00 0.0 M M M
5/11/2016 8:00 AM 0.00 0.0 M M M
5/12/2016 8:00 AM 0.00 0.0 M M M
5/13/2016 8:00 AM 0.00 0.0 M M M
5/14/2016 8:00 AM 0.00 0.0 M M M
5/15/2016 8:00 AM 0.00 0.0 M M M
5/16/2016 8:00 AM 0.00 0.0 M M M
5/17/2016 8:00 AM 0.00 0.0 M M M
5/18/2016 8:00 AM 0.00 0.0 M M M
5/19/2016 8:00 AM 0.00 0.0 M M M
5/20/2016 8:00 AM 0.00 0.0 M M M
5/21/2016 8:00 AM 0.00 0.0 M M M
5/22/2016 8:00 AM 0.00 0.0 M M M
5/23/2016 8:00 AM 0.00 0.0 M M M
5/24/2016 8:00 AM 0.00 0.0 M M M
5/25/2016 8:00 AM 0.00 0.0 M M M
5/26/2016 8:00 AM 0.00 0.0 M M M
5/27/2016 8:00 AM 0.00 0.0 M M M
5/28/2016 8:00 AM 0.00 0.0 M M M
5/29/2016 8:00 AM 0.00 0.0 M M M
5/30/2016 8:00 AM 0.00 0.0 M M M
5/31/2016 8:00 AM 0.00 0.0 M M M
6/1/2016 8:00 AM 0.00 0.0 M M M
6/2/2016 8:00 AM 0.00 0.0 M M M
6/3/2016 8:00 AM 0.00 0.0 M M M
6/4/2016 8:00 AM 0.00 0.0 M M M
6/5/2016 8:00 AM 0.00 0.0 M M M
6/6/2016 8:00 AM 0.00 0.0 M M M
6/7/2016 8:00 AM 0.00 0.0 M M M
6/8/2016 8:00 AM 0.00 0.0 M M M
6/9/2016 8:00 AM 0.00 0.0 M M M
6/10/2016 8:00 AM 0.00 0.0 M M M
6/11/2016 8:00 AM 0.00 0.0 M M M
6/12/2016 8:00 AM 0.00 0.0 M M M
6/13/2016 8:00 AM 0.00 0.0 M M M
6/14/2016 8:00 AM 0.00 0.0 M M M
6/15/2016 8:00 AM 0.00 0.0 M M M
6/16/2016 8:00 AM 0.00 0.0 M M M
6/17/2016 8:00 AM 0.00 0.0 M M M
6/18/2016 8:00 AM 0.00 0.0 M M M
6/19/2016 8:00 AM 0.00 0.0 M M M
6/20/2016 8:00 AM 0.00 0.0 M M M
6/21/2016 8:00 AM 0.00 0.0 M M M
6/22/2016 8:00 AM 0.00 0.0 M M M
6/23/2016 8:00 AM 0.00 0.0 M M M
6/24/2016 8:00 AM 0.00 0.0 M M M
6/25/2016 8:00 AM 0.00 0.0 M M M
6/26/2016 8:00 AM 0.00 0.0 M M M
6/27/2016 8:00 AM 0.00 0.0 M M M
6/28/2016 8:00 AM 0.00 0.0 M M M
6/29/2016 8:00 AM 0.00 0.0 M M M
6/30/2016 8:00 AM 0.00 0.0 M M M
7/1/2016 8:00 AM 0.00 0.0 M M M
7/2/2016 8:00 AM 0.00 0.0 M M M
7/3/2016 8:00 AM 0.00 0.0 M M M
7/4/2016 8:00 AM 0.00 0.0 M M M
7/5/2016 8:00 AM 0.00 0.0 M M M
7/6/2016 8:00 AM 0.00 0.0 M M M
7/7/2016 8:00 AM 0.00 0.0 M M M
7/8/2016 8:00 AM 0.00 0.0 M M M
7/9/2016 8:00 AM 0.00 0.0 M M M
7/10/2016 8:00 AM 0.00 0.0 M M M
7/11/2016 8:00 AM 0.00 0.0 M M M
7/12/2016 8:00 AM 0.00 0.0 M M M
7/13/2016 8:00 AM 0.00 0.0 M M M
7/14/2016 8:00 AM 0.00 0.0 M M M
7/15/2016 8:00 AM 0.00 0.0 M M M
7/16/2016 8:00 AM 0.00 0.0 M M M
7/17/2016 8:00 AM 0.00 0.0 M M M
7/18/2016 8:00 AM 0.00 0.0 M M M
7/19/2016 8:00 AM 0.00 0.0 M M M
7/20/2016 8:00 AM 0.00 0.0 M M M
7/21/2016 8:00 AM 0.00 0.0 M M M
7/22/2016 8:00 AM 0.00 0.0 M M M
7/23/2016 8:00 AM 0.00 0.0 M M M
7/24/2016 8:00 AM 0.00 0.0 M M M
7/25/2016 8:00 AM 0.00 0.0 M M M
7/26/2016 8:00 AM 0.00 0.0 M M M
7/27/2016 8:00 AM 0.00 0.0 M M M
7/28/2016 8:00 AM 0.00 0.0 M M M
7/29/2016 8:00 AM 0.00 0.0 M M M
7/30/2016 8:00 AM 0.00 0.0 M M M
7/31/2016 8:00 AM 0.00 0.0 M M M
8/1/2016 8:00 AM 0.00 0.0 M M M
8/2/2016 8:00 AM 0.00 0.0 M M M
8/3/2016 8:00 AM 0.00 0.0 M M M
8/4/2016 8:00 AM 0.00 0.0 M M M
8/5/2016 8:00 AM 0.00 0.0 M M M
8/6/2016 8:00 AM 0.00 0.0 M M M
8/7/2016 8:00 AM 0.00 0.0 M M M
8/8/2016 8:00 AM 0.00 0.0 M M M
8/9/2016 8:00 AM 0.00 0.0 M M M
8/10/2016 8:00 AM 0.00 0.0 M M M
8/11/2016 8:00 AM 0.00 0.0 M M M
8/12/2016 8:00 AM 0.00 0.0 M M M
8/13/2016 8:00 AM 0.00 0.0 M M M
8/14/2016 8:00 AM 0.00 0.0 M M M
8/15/2016 8:00 AM 0.00 0.0 M M M
8/16/2016 8:00 AM 0.00 0.0 M M M
8/17/2016 8:00 AM 0.00 0.0 M M M
8/18/2016 8:00 AM 0.00 0.0 M M M
8/19/2016 8:00 AM 0.00 0.0 M M M
8/20/2016 8:00 AM 0.00 0.0 M M M
8/21/2016 8:00 AM 0.00 0.0 M M M
8/22/2016 8:00 AM 0.00 0.0 M M M
8/23/2016 8:00 AM 0.00 0.0 M M M
8/24/2016 8:00 AM 0.00 0.0 M M M
8/25/2016 8:00 AM 0.00 0.0 M M M
8/26/2016 8:00 AM 0.00 0.0 M M M
8/27/2016 8:00 AM 0.00 0.0 M M M
8/28/2016 8:00 AM 0.00 0.0 M M M
8/29/2016 8:00 AM 0.00 0.0 M M M
8/30/2016 8:00 AM 0.00 0.0 M M M
8/31/2016 8:00 AM 0.00 0.0 M M M
9/1/2016 8:00 AM 0.00 0.0 M M M
9/2/2016 8:00 AM 0.00 0.0 M M M
9/3/2016 8:00 AM 0.00 0.0 M M M
9/4/2016 8:00 AM 0.00 0.0 M M M
9/5/2016 8:00 AM 0.00 0.0 M M M
9/6/2016 8:00 AM 0.00 0.0 M M M
9/7/2016 8:00 AM 0.00 0.0 M M M
9/8/2016 8:00 AM 0.00 0.0 M M M
9/9/2016 8:00 AM 0.00 0.0 M M M
9/10/2016 8:00 AM 0.00 0.0 M M M
9/11/2016 8:00 AM 0.00 0.0 M M M
9/12/2016 8:00 AM 0.00 0.0 M M M
9/13/2016 8:00 AM 0.00 0.0 M M M
9/14/2016 8:00 AM 0.00 0.0 M M M
9/15/2016 8:00 AM 0.00 0.0 M M M
9/16/2016 8:00 AM 0.00 0.0 M M M
9/17/2016 8:00 AM 0.00 0.0 M M M
9/18/2016 8:00 AM 0.00 0.0 M M M
9/19/2016 8:00 AM 0.00 0.0 M M M
9/20/2016 8:00 AM 0.00 0.0 M M M
9/21/2016 8:00 AM 0.00 0.0 M M M
9/22/2016 8:00 AM T 0.0 0.00 M M The first cool season Gulf of Alaska frontal passage swept over the northern 2/3rds of California in the morning hours of Wednesday the 21st. At the station a few very brief periods of showers occurred in the late morning but essentially just enough to spot, not wash, any objects outside.
9/23/2016 8:00 AM 0.00 0.0 M M M
9/24/2016 8:00 AM 0.00 0.0 M M M
9/25/2016 8:00 AM 0.00 0.0 M M M
9/26/2016 8:00 AM 0.00 0.0 M M M
9/27/2016 8:00 AM 0.00 0.0 M M M
9/28/2016 8:00 AM 0.00 0.0 M M M
9/29/2016 8:00 AM 0.00 0.0 M M M
9/30/2016 8:00 AM 0.00 0.0 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