Station Overview Station Location
Station Number CA-BT-3 Latitude 39.7339295
Station Name Chico 2.8 ESE Longitude -121.7604419589
County Butte Elevation (ft) 375



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 10 1.71 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 10 3.57 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 10 5.91 8.66 30 6.82 26 1.84 4 1 16 1 0.0 0 0
Jan 11 5.82 2.30 27 2.30 27 0.00 0 0 15 1 0.0 0 0
Feb 11 5.70 4.39 25 4.39 25 0.00 0 0 8 1 0.0 0 0
March 11 4.26 6.53 24 4.53 18 2.00 6 1 12 1 0.0 0 0
April 11 2.24 0.36 11 0.36 11 0.00 0 0 5 0 0.0 0 0
May 11 1.43 4.23 16 4.23 16 0.00 0 0 12 0 0.0 0 0
June 11 0.42 0.36 3 0.36 3 0.00 0 0 2 0 0.0 0 0
July 11 0.04 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 11 0.11 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 11 0.58 0.01 2 0.01 2 0.00 0 0 1 0 0.0 0 0
Water Year Totals: 31.79" 26.84" 138 days 23.00" 128 3.84" 10 days 2 71 days 4 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
10/1/2010
10/2/2010
10/3/2010
10/4/2010
10/5/2010
10/6/2010
10/7/2010
10/8/2010
10/9/2010
10/10/2010
10/11/2010
10/12/2010
10/13/2010
10/14/2010
10/15/2010
10/16/2010
10/17/2010
10/18/2010
10/19/2010
10/20/2010
10/21/2010
10/22/2010
10/23/2010
10/24/2010
10/25/2010
10/26/2010
10/27/2010
10/28/2010
10/29/2010
10/30/2010
10/31/2010
11/1/2010
11/2/2010
11/3/2010
11/4/2010
11/5/2010
11/6/2010
11/7/2010
11/8/2010
11/9/2010
11/10/2010
11/11/2010
11/12/2010
11/13/2010
11/14/2010
11/15/2010
11/16/2010
11/17/2010
11/18/2010
11/19/2010
11/20/2010
11/21/2010
11/22/2010
11/23/2010
11/24/2010
11/25/2010
11/26/2010
11/27/2010
11/28/2010
11/29/2010
11/30/2010
12/1/2010
12/2/2010 0.00
12/3/2010 0.51
12/4/2010 0.05
12/5/2010 0.49
12/6/2010 1.19
12/7/2010 0.02
12/8/2010 0.21
12/9/2010 0.31
12/10/2010 0.03
12/11/2010 0.00
12/12/2010 0.00
12/13/2010 0.00
12/14/2010 0.25
12/15/2010 0.09
12/16/2010 0.00
12/17/2010 T
12/18/2010 0.90
12/19/2010 0.37
12/20/2010 **
12/21/2010 **
12/22/2010 **
12/23/2010 1.84
12/24/2010 0.00
12/25/2010 0.00
12/26/2010 1.11
12/27/2010 0.02
12/28/2010 0.05
12/29/2010 1.22
12/30/2010 0.00
12/31/2010 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.39
1/2/2011 0.46
1/3/2011 0.02
1/4/2011 0.00
1/5/2011 0.00
1/6/2011 0.00
1/7/2011 0.01
1/8/2011
1/9/2011 T
1/10/2011 0.00
1/11/2011 0.00
1/12/2011 0.14
1/13/2011 0.13
1/14/2011 0.52
1/15/2011 0.00
1/16/2011 0.01
1/17/2011 0.01
1/18/2011 0.01
1/19/2011 0.01
1/20/2011 0.00
1/21/2011 0.00
1/22/2011
1/23/2011
1/24/2011 0.00
1/25/2011 0.00
1/26/2011
1/27/2011 0.00
1/28/2011 0.01
1/29/2011 0.01
1/30/2011 0.53
1/31/2011 0.04
2/1/2011 0.00
2/2/2011 0.00
2/3/2011 0.00
2/4/2011 0.00
2/5/2011 0.00
2/6/2011 0.00
2/7/2011 0.00
2/8/2011 0.00
2/9/2011 0.00
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 0.00
2/13/2011 0.00
2/14/2011 0.19
2/15/2011 0.29
2/16/2011 1.23
2/17/2011 0.19
2/18/2011 0.70
2/19/2011 0.69
2/20/2011 T
2/21/2011 0.00
2/22/2011 0.00
2/23/2011
2/24/2011
2/25/2011 1.01
2/26/2011 0.09
2/27/2011
2/28/2011 0.00
3/1/2011 0.00
3/2/2011 0.41
3/3/2011 0.24
3/4/2011 0.00
3/5/2011
3/6/2011 0.52
3/7/2011 0.24
3/8/2011
3/9/2011
3/10/2011 0.00
3/11/2011 0.26
3/12/2011
3/13/2011
3/14/2011 0.26
3/15/2011
3/16/2011 0.52
3/17/2011 T
3/18/2011 0.23
3/19/2011 0.71
3/20/2011 0.87
3/21/2011 **
3/22/2011 **
3/23/2011 **
3/24/2011 **
3/25/2011 **
3/26/2011 2.00
3/27/2011 0.20
3/28/2011 0.07
3/29/2011 0.00
3/30/2011 0.00
3/31/2011
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.00
4/2/2011 0.00
4/3/2011 0.00
4/4/2011
4/5/2011
4/6/2011
4/7/2011
4/8/2011
4/9/2011
4/10/2011
4/11/2011
4/12/2011
4/13/2011 0.00
4/14/2011 0.06
4/15/2011
4/16/2011
4/17/2011
4/18/2011 0.17
4/19/2011 0.01
4/20/2011 0.00
4/21/2011 0.09
4/22/2011 0.00
4/23/2011
4/24/2011
4/25/2011
4/26/2011 0.03
4/27/2011
4/28/2011
4/29/2011
4/30/2011
5/1/2011
5/2/2011
5/3/2011
5/4/2011
5/5/2011
5/6/2011
5/7/2011
5/8/2011 0.05
5/9/2011 0.55
5/10/2011
5/11/2011
5/12/2011
5/13/2011
5/14/2011
5/15/2011 0.40
5/16/2011 0.22
5/17/2011 0.62
5/18/2011 0.13
5/19/2011 0.00
5/20/2011 0.00
5/21/2011 0.00
5/22/2011 0.21
5/23/2011 0.10
5/24/2011 0.04
5/25/2011 0.13
5/26/2011 1.58
5/27/2011
5/28/2011
5/29/2011 0.20
5/30/2011 0.00
5/31/2011
6/1/2011 0.18
6/2/2011 0.18
6/3/2011 0.00
6/4/2011
6/5/2011
6/6/2011
6/7/2011
6/8/2011
6/9/2011
6/10/2011
6/11/2011
6/12/2011
6/13/2011
6/14/2011
6/15/2011
6/16/2011
6/17/2011
6/18/2011
6/19/2011
6/20/2011
6/21/2011
6/22/2011
6/23/2011
6/24/2011
6/25/2011
6/26/2011
6/27/2011
6/28/2011
6/29/2011
6/30/2011
Day of YearDaily PrcpMultiday Prcp
7/1/2011
7/2/2011
7/3/2011
7/4/2011
7/5/2011
7/6/2011
7/7/2011
7/8/2011
7/9/2011
7/10/2011
7/11/2011
7/12/2011
7/13/2011
7/14/2011
7/15/2011
7/16/2011
7/17/2011
7/18/2011
7/19/2011
7/20/2011
7/21/2011
7/22/2011
7/23/2011
7/24/2011
7/25/2011
7/26/2011
7/27/2011
7/28/2011
7/29/2011
7/30/2011
7/31/2011
8/1/2011
8/2/2011
8/3/2011
8/4/2011
8/5/2011
8/6/2011
8/7/2011
8/8/2011
8/9/2011
8/10/2011
8/11/2011
8/12/2011
8/13/2011
8/14/2011
8/15/2011
8/16/2011
8/17/2011
8/18/2011
8/19/2011
8/20/2011
8/21/2011
8/22/2011
8/23/2011
8/24/2011
8/25/2011
8/26/2011
8/27/2011
8/28/2011
8/29/2011
8/30/2011
8/31/2011
9/1/2011
9/2/2011
9/3/2011
9/4/2011
9/5/2011
9/6/2011
9/7/2011
9/8/2011
9/9/2011
9/10/2011
9/11/2011
9/12/2011 0.00
9/13/2011
9/14/2011
9/15/2011
9/16/2011
9/17/2011
9/18/2011
9/19/2011
9/20/2011
9/21/2011
9/22/2011
9/23/2011
9/24/2011
9/25/2011
9/26/2011 0.01
9/27/2011
9/28/2011
9/29/2011
9/30/2011



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
12/2/2010 8:00 AM 0.00 0.0 M M M
12/3/2010 8:00 AM 0.51 M M M M
12/4/2010 8:00 AM 0.05 M M M M
12/5/2010 8:00 AM 0.49 M M M M
12/6/2010 8:00 AM 1.19 M M M M
12/7/2010 8:00 AM 0.02 M M M M
12/8/2010 8:00 AM 0.21 M M M M
12/9/2010 8:00 AM 0.31 M M M M
12/10/2010 8:00 AM 0.03 M M M M
12/11/2010 8:00 AM 0.00 0.0 M M M
12/12/2010 8:00 AM 0.00 0.0 M M M
12/13/2010 8:00 AM 0.00 0.0 M M M
12/14/2010 8:00 AM 0.25 M M M M
12/15/2010 8:00 AM 0.09 M M M M
12/16/2010 8:00 AM 0.00 0.0 M M M
12/17/2010 8:00 AM T M M M M
12/18/2010 8:00 AM 0.90 M M M M
12/19/2010 8:33 AM 0.37 M M M M
12/24/2010 8:00 AM 0.00 0.0 M M M
12/25/2010 8:00 AM 0.00 0.0 M M M
12/26/2010 8:00 AM 1.11 M M M M
12/27/2010 8:00 AM 0.02 M M M M
12/28/2010 8:00 AM 0.05 M M M M
12/29/2010 8:00 AM 1.22 M M M M Light to moderate street flooding in areas. Big Chico Creek at 5-mile is bank full ( about 4 inches from flowing into the park ).
12/30/2010 8:00 AM 0.00 0.0 M M M
12/31/2010 8:00 AM 0.00 0.0 M M M
1/1/2011 9:10 AM 0.39 M M M M The low temperature was 33 and we had precipitation at the time of the low temperature ( based on Davis weather station ). Did it snow in Chico at 4AM ???
1/2/2011 9:00 AM 0.46 M M M M
1/3/2011 8:00 AM 0.02 M M M M Frost / icy walkway & balcony this AM. 0.02" frozen solid in rain gauge.
1/4/2011 9:00 AM 0.00 0.0 M M M Frost / icy puddles.
1/5/2011 8:00 AM 0.00 0.0 M M M Frost
1/6/2011 8:00 AM 0.00 0.0 M M M Heavy frost / ice. 100 FT visibility in dense fog about 1/4 mile to the west ( East Chico ).
1/7/2011 8:00 AM 0.01 M M M M 0.01" of fog drizzle. Low 32 deg with fog.
1/9/2011 8:00 AM T M M M M TR of drizzle from fog and low clouds. Max temp 36.8, 15.2 deg below normal.
1/10/2011 8:00 AM 0.00 0.0 M M M 25.7F this AM - heavy frost / iced over puddles. Frost formed at 8PM.
1/11/2011 8:00 AM 0.00 0.0 M M M
1/12/2011 8:00 AM 0.14 M M M M
1/13/2011 8:30 AM 0.13 M M M M
1/14/2011 8:00 AM 0.52 M M M M Dense fog 100 FT visibility this morning.
1/15/2011 8:00 AM 0.00 0.0 M M M
1/16/2011 8:00 AM 0.01 M M M M Very dense fog 9PM - estimate 50 FT visibility. Could not read street signs. 0.01" in fog drizzle.
1/17/2011 8:00 AM 0.01 M M M M 0.01" from fog drizzle. Dense fog from about 10PM on.
1/18/2011 8:00 AM 0.01 M M M M Dense Fog with no clearing until 2AM or so. Low 33.6F with 0.01" of fog drizzle.
1/19/2011 8:00 AM 0.01 M M M M 0.01" from fog drizzle yesterday.
1/20/2011 8:00 AM 0.00 0.0 M M M
1/21/2011 8:00 AM 0.00 0.0 M M M
1/24/2011 8:00 AM 0.00 0.0 M M M
1/25/2011 8:00 AM 0.00 0.0 M M M
1/27/2011 8:00 AM 0.00 0.0 M M M Clear with frost / ice on deck and steps. Low of 32F
1/28/2011 8:00 AM 0.01 M M M M Dense Fog - 0.01" from fog drizzle
1/29/2011 8:00 AM 0.01 M M M M Another day with fog and drizzle.
1/30/2011 8:30 AM 0.53 M M M M
1/31/2011 8:00 AM 0.04 M M M M
2/1/2011 8:00 AM 0.00 0.0 M M M
2/2/2011 8:00 AM 0.00 0.0 M M M
2/3/2011 8:00 AM 0.00 0.0 M M M
2/4/2011 8:00 AM 0.00 0.0 M M M
2/5/2011 8:00 AM 0.00 0.0 M M M
2/6/2011 8:00 AM 0.00 0.0 M M M
2/7/2011 8:00 AM 0.00 0.0 M M M
2/8/2011 8:00 AM 0.00 0.0 M M M
2/9/2011 8:00 AM 0.00 0.0 M M M
2/10/2011 8:00 AM 0.00 0.0 M M M
2/11/2011 8:00 AM 0.00 0.0 M M M
2/12/2011 8:00 AM 0.00 0.0 M M M
2/13/2011 8:00 AM 0.00 0.0 M M M
2/14/2011 8:00 AM 0.19 M M M M
2/15/2011 8:00 AM 0.29 M M M M
2/16/2011 8:00 AM 1.23 M M M M
2/17/2011 8:00 AM 0.19 M M M M on 2/16/2011 Big Chico Creek at 5-mile recreation area overflowed it's bank by a few inches. This is the lowest point of Big Chico Creek.
2/18/2011 8:00 AM 0.70 M M M M
2/19/2011 8:00 AM 0.69 M M M M
2/20/2011 8:00 AM T M M M M
2/21/2011 8:00 AM 0.00 0.0 M M M
2/22/2011 8:00 AM 0.00 0.0 M M M 29.9 F this morning. Frost / icy porch.
2/25/2011 8:00 AM 1.01 T M T M MODERATE SNOW THIS MORNING! TR of snow on deck with temperature 33.7
2/26/2011 8:00 AM 0.09 T M M M Moderate snow shower Friday afternoon with snow/ice pellets. TR of accumulation. Elevation roughly 300 FT in Chico
2/28/2011 8:00 AM 0.00 0.0 M M M
3/1/2011 8:00 AM 0.00 0.0 M M M
3/2/2011 8:35 AM 0.41 M M M M
3/3/2011 8:00 AM 0.24 M M M M
3/4/2011 8:00 AM 0.00 0.0 M M M
3/6/2011 8:00 AM 0.52 M M M M
3/7/2011 8:00 AM 0.24 M M M M
3/10/2011 8:00 AM 0.00 0.0 M M M
3/11/2011 8:00 AM 0.26 M M M M
3/14/2011 8:00 AM 0.26 M M M M
3/16/2011 8:00 AM 0.52 M M M M
3/17/2011 8:00 AM T M M M M
3/18/2011 8:29 AM 0.23 M M M M Small hail around 8:50AM today ( 18th )
3/19/2011 8:00 AM 0.71 M M M M
3/20/2011 8:00 AM 0.87 M M M M Very windy 2 to 5 AM
3/27/2011 8:00 AM 0.20 M M M M
3/28/2011 8:00 AM 0.07 M M M M
3/29/2011 8:00 AM 0.00 0.0 M M M
3/30/2011 8:00 AM 0.00 0.0 M M M
4/1/2011 8:00 AM 0.00 0.0 M M M
4/2/2011 8:00 AM 0.00 0.0 M M M
4/3/2011 8:00 AM 0.00 0.0 M M M
4/13/2011 8:00 AM 0.00 0.0 M M M
4/14/2011 8:00 AM 0.06 M M M M
4/18/2011 8:00 AM 0.17 M M M M
4/19/2011 8:00 AM 0.01 M M M M
4/20/2011 8:00 AM 0.00 0.0 M M M
4/21/2011 8:00 AM 0.09 M M M M
4/22/2011 8:00 AM 0.00 0.0 M M M
4/26/2011 8:00 AM 0.03 M M M M
5/8/2011 8:00 AM 0.05 M M M M
5/9/2011 8:00 AM 0.55 M M M M Thunderstorm with brief heavy rain and frequent ( for California ) lightning.
5/15/2011 9:00 AM 0.40 M M M M
5/16/2011 8:00 AM 0.22 M M M M Few thunderstorms with strong gusty winds and small hail.
5/17/2011 8:00 AM 0.62 M M M M
5/18/2011 8:00 AM 0.13 M M M M
5/19/2011 8:00 AM 0.00 0.0 M M M
5/20/2011 8:00 AM 0.00 0.0 M M M
5/21/2011 8:00 AM 0.00 0.0 M M M
5/22/2011 8:00 AM 0.21 M M M M
5/23/2011 8:00 AM 0.10 M M M M PM thunderstorm
5/24/2011 8:00 AM 0.04 M M M M PM thunderstorm again
5/25/2011 8:27 AM 0.13 M M M M
5/26/2011 8:00 AM 1.58 M M M M Witnessed tornado to the west. Got video and pictures. Torrential rain and marble sized hail with the thunderstorm.
5/29/2011 8:00 AM 0.20 M M M M
5/30/2011 8:00 AM 0.00 0.0 M M M
6/1/2011 8:00 AM 0.18 M M M M
6/2/2011 8:00 AM 0.18 M M M M
6/3/2011 8:00 AM 0.00 0.0 M M M
9/12/2011 8:00 AM 0.00 0.0 M M M
9/26/2011 8:00 AM 0.01 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/20/2010 12/23/2010 8:00 AM 4 1.84 M M Looked like Bear River was flooding on the 19th ( Yuba county )
3/21/2011 3/26/2011 8:00 AM 6 2.00 M M yes - it was 2" even.



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