Station Overview Station Location
Station Number CA-NP-8 Latitude 38.169395
Station Name American Canyon 0.3 S Longitude -122.260479
County Napa Elevation (ft) 37



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 12 1.10 1.59 27 0.04 19 1.55 8 1 2 0 0.0 0 0
Nov 12 2.74 1.63 11 1.12 7 0.51 4 1 4 0 0.0 0 0
Dec 12 4.13 8.15 21 2.43 13 5.72 8 1 9 2 0.0 0 0
Jan 13 4.50 0.66 21 0.66 21 0.00 0 0 2 0 0.0 0 0
Feb 13 4.24 0.24 11 0.24 11 0.00 0 0 3 0 0.0 0 0
March 13 2.96 0.24 14 0.24 14 0.00 0 0 2 0 0.0 0 0
April 13 1.37 1.24 7 1.24 7 0.00 0 0 3 0 0.0 0 0
May 13 0.67 0.28 8 0.28 8 0.00 0 0 2 0 0.0 0 0
June 13 0.12 0.00 6 0.00 6 0.00 0 0 0 1 0.0 0 0
July 13 0.01 0.00 8 0.00 8 0.00 0 0 0 0 0.0 0 0
Aug 13 0.05 0.00 13 0.00 13 0.00 0 0 0 0 0.0 0 0
Sept 13 0.19 0.00 31 0.00 23 0.00 8 0 0 0 0.0 0 0
Water Year Totals: 22.08" 14.03" 178 days 6.25" 150 7.78" 28 days 3 27 days 3 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
10/1/2012 0.00
10/2/2012 0.00
10/3/2012 0.00
10/4/2012
10/5/2012 0.00
10/6/2012 0.00
10/7/2012
10/8/2012 0.00
10/9/2012 0.00
10/10/2012 0.00
10/11/2012 0.03
10/12/2012 0.01
10/13/2012 0.00
10/14/2012
10/15/2012
10/16/2012
10/17/2012 0.00
10/18/2012 0.00
10/19/2012 0.00
10/20/2012 0.00
10/21/2012 **
10/22/2012 **
10/23/2012 **
10/24/2012 **
10/25/2012 **
10/26/2012 1.55
10/27/2012 0.00
10/28/2012 0.00
10/29/2012 0.00
10/30/2012 0.00 **
10/31/2012 **
11/1/2012 0.51
11/2/2012
11/3/2012
11/4/2012
11/5/2012 0.00
11/6/2012
11/7/2012 0.00
11/8/2012
11/9/2012 0.14
11/10/2012
11/11/2012
11/12/2012
11/13/2012
11/14/2012
11/15/2012
11/16/2012 0.16
11/17/2012 0.60
11/18/2012 0.22
11/19/2012 0.00
11/20/2012
11/21/2012
11/22/2012
11/23/2012
11/24/2012
11/25/2012
11/26/2012
11/27/2012
11/28/2012 **
11/29/2012 **
11/30/2012 **
12/1/2012 **
12/2/2012 **
12/3/2012 **
12/4/2012 **
12/5/2012 **
12/6/2012 **
12/7/2012 **
12/8/2012 5.72
12/9/2012
12/10/2012 0.00
12/11/2012 0.00
12/12/2012 0.02
12/13/2012 T
12/14/2012
12/15/2012
12/16/2012 0.10
12/17/2012 0.31
12/18/2012 0.02
12/19/2012 T
12/20/2012
12/21/2012 0.02
12/22/2012
12/23/2012 0.05
12/24/2012 0.98
12/25/2012 0.89
12/26/2012
12/27/2012
12/28/2012
12/29/2012 0.04
12/30/2012
12/31/2012
Day of YearDaily PrcpMultiday Prcp
1/1/2013 0.00
1/2/2013 0.00
1/3/2013 0.31
1/4/2013 0.00
1/5/2013 0.00
1/6/2013 0.00
1/7/2013 0.00
1/8/2013 0.00
1/9/2013 0.00
1/10/2013
1/11/2013
1/12/2013
1/13/2013
1/14/2013 0.00
1/15/2013 0.00
1/16/2013 0.00
1/17/2013
1/18/2013
1/19/2013
1/20/2013 0.00
1/21/2013 0.00
1/22/2013 0.00
1/23/2013 0.00
1/24/2013 0.35
1/25/2013
1/26/2013 0.00
1/27/2013 0.00
1/28/2013 0.00
1/29/2013
1/30/2013 0.00
1/31/2013
2/1/2013
2/2/2013
2/3/2013
2/4/2013 0.00
2/5/2013
2/6/2013
2/7/2013 0.10
2/8/2013
2/9/2013
2/10/2013
2/11/2013 0.00
2/12/2013 0.00
2/13/2013
2/14/2013 0.00
2/15/2013
2/16/2013
2/17/2013
2/18/2013
2/19/2013 0.07
2/20/2013 0.07
2/21/2013 0.00
2/22/2013 0.00
2/23/2013
2/24/2013
2/25/2013 0.00
2/26/2013
2/27/2013
2/28/2013 0.00
3/1/2013
3/2/2013 0.00
3/3/2013 0.00
3/4/2013
3/5/2013
3/6/2013 0.12
3/7/2013 0.00
3/8/2013 0.00
3/9/2013
3/10/2013 0.00
3/11/2013 0.00
3/12/2013
3/13/2013 0.00
3/14/2013 0.00
3/15/2013 0.00
3/16/2013
3/17/2013
3/18/2013 0.00
3/19/2013 0.00
3/20/2013
3/21/2013
3/22/2013
3/23/2013
3/24/2013
3/25/2013 0.00
3/26/2013
3/27/2013
3/28/2013
3/29/2013
3/30/2013
3/31/2013 0.12
Day of YearDaily PrcpMultiday Prcp
4/1/2013 0.68
4/2/2013 0.00
4/3/2013 0.00
4/4/2013 0.50
4/5/2013 0.06
4/6/2013
4/7/2013
4/8/2013
4/9/2013
4/10/2013
4/11/2013
4/12/2013 0.00
4/13/2013
4/14/2013
4/15/2013
4/16/2013
4/17/2013
4/18/2013
4/19/2013
4/20/2013 0.00
4/21/2013
4/22/2013
4/23/2013
4/24/2013
4/25/2013
4/26/2013
4/27/2013
4/28/2013
4/29/2013
4/30/2013
5/1/2013 0.00
5/2/2013
5/3/2013 0.00
5/4/2013
5/5/2013
5/6/2013
5/7/2013 0.18
5/8/2013 0.00
5/9/2013
5/10/2013
5/11/2013
5/12/2013
5/13/2013 0.00
5/14/2013
5/15/2013
5/16/2013
5/17/2013
5/18/2013
5/19/2013
5/20/2013
5/21/2013 0.00
5/22/2013
5/23/2013 0.00
5/24/2013
5/25/2013
5/26/2013
5/27/2013
5/28/2013 0.10
5/29/2013
5/30/2013
5/31/2013
6/1/2013
6/2/2013
6/3/2013
6/4/2013
6/5/2013 0.00
6/6/2013 0.00
6/7/2013
6/8/2013
6/9/2013
6/10/2013 T
6/11/2013 0.00
6/12/2013
6/13/2013 0.00
6/14/2013
6/15/2013
6/16/2013
6/17/2013 0.00
6/18/2013
6/19/2013
6/20/2013
6/21/2013
6/22/2013
6/23/2013
6/24/2013
6/25/2013
6/26/2013
6/27/2013
6/28/2013
6/29/2013
6/30/2013
Day of YearDaily PrcpMultiday Prcp
7/1/2013 0.00
7/2/2013
7/3/2013
7/4/2013
7/5/2013
7/6/2013
7/7/2013
7/8/2013 0.00
7/9/2013
7/10/2013
7/11/2013
7/12/2013 0.00
7/13/2013
7/14/2013
7/15/2013
7/16/2013 0.00
7/17/2013
7/18/2013
7/19/2013
7/20/2013
7/21/2013 0.00
7/22/2013
7/23/2013
7/24/2013
7/25/2013 0.00
7/26/2013
7/27/2013
7/28/2013
7/29/2013 0.00
7/30/2013 0.00
7/31/2013
8/1/2013
8/2/2013
8/3/2013
8/4/2013
8/5/2013 0.00
8/6/2013
8/7/2013
8/8/2013 0.00
8/9/2013 0.00
8/10/2013 0.00
8/11/2013
8/12/2013 0.00
8/13/2013 0.00
8/14/2013
8/15/2013 0.00
8/16/2013 0.00
8/17/2013
8/18/2013
8/19/2013
8/20/2013 0.00
8/21/2013
8/22/2013 0.00
8/23/2013 0.00
8/24/2013
8/25/2013 0.00
8/26/2013
8/27/2013 0.00
8/28/2013
8/29/2013
8/30/2013
8/31/2013
9/1/2013 0.00
9/2/2013 0.00
9/3/2013 0.00
9/4/2013 0.00
9/5/2013 0.00
9/6/2013 0.00
9/7/2013 0.00
9/8/2013 0.00
9/9/2013 0.00
9/10/2013 0.00
9/11/2013 0.00
9/12/2013 0.00
9/13/2013 0.00
9/14/2013 0.00
9/15/2013 0.00
9/16/2013 0.00
9/17/2013 0.00
9/18/2013 0.00
9/19/2013 0.00
9/20/2013 0.00
9/21/2013 0.00
9/22/2013 0.00
9/23/2013 0.00 **
9/24/2013 **
9/25/2013 **
9/26/2013 **
9/27/2013 **
9/28/2013 **
9/29/2013 **
9/30/2013 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2012 9:00 AM 0.00 0.0 M M M
10/2/2012 9:00 AM 0.00 0.0 M M M
10/3/2012 9:00 AM 0.00 0.0 M M M
10/5/2012 9:00 AM 0.00 0.0 M M M
10/6/2012 9:00 AM 0.00 0.0 M M M
10/8/2012 9:00 AM 0.00 0.0 M M M
10/9/2012 9:00 AM 0.00 0.0 M M M
10/10/2012 9:00 AM 0.00 0.0 M M M
10/11/2012 9:00 AM 0.03 M M M M Storm cell came through last night with three rounds of thunder and a little rain.
10/12/2012 9:00 AM 0.01 M M M M
10/13/2012 9:00 AM 0.00 0.0 M M M
10/17/2012 9:00 AM 0.00 0.0 M M M
10/18/2012 9:00 AM 0.00 0.0 M M M
10/19/2012 9:00 AM 0.00 0.0 M M M
10/20/2012 9:00 AM 0.00 0.0 M M M
10/27/2012 9:00 AM 0.00 0.0 M M M
10/28/2012 9:00 AM 0.00 0.0 M M M
10/29/2012 9:00 AM 0.00 0.0 M M M
10/30/2012 9:00 AM 0.00 0.0 M M M
11/5/2012 9:00 AM 0.00 0.0 M M M
11/7/2012 9:00 AM 0.00 0.0 M M M
11/9/2012 9:00 AM 0.14 M M M M
11/16/2012 9:00 AM 0.16 M M M M
11/17/2012 9:00 AM 0.60 M M M M
11/18/2012 9:00 AM 0.22 M M M M
11/19/2012 9:00 AM 0.00 0.0 M M M
12/10/2012 9:00 AM 0.00 0.0 M M M
12/11/2012 9:00 AM 0.00 0.0 M M M
12/12/2012 9:00 AM 0.02 M M M M
12/13/2012 9:00 AM T M M M M
12/16/2012 9:00 AM 0.10 M M M M
12/17/2012 9:00 AM 0.31 M M M M
12/18/2012 9:00 AM 0.02 M M M M
12/19/2012 9:00 AM T M M M M Lots of frost this morning!! Big rise in Barometric pressure over night.
12/21/2012 9:00 AM 0.02 M M M M
12/23/2012 9:00 AM 0.05 M M M M
12/24/2012 9:00 AM 0.98 M M M M We had lightening and thunder two times: at 3:32 a.m. and again 3:42 a.m. The 3:32 lightning was about 6 seconds to the thunder. The second one the thunder woke me up so I did get a count.
12/25/2012 9:00 AM 0.89 M M M M
12/29/2012 9:00 AM 0.04 M M M M
1/1/2013 9:00 AM 0.00 0.0 M M M
1/2/2013 9:00 AM 0.00 0.0 M M M
1/3/2013 9:00 AM 0.31 M M M M
1/4/2013 9:00 AM 0.00 0.0 M M M
1/5/2013 9:00 AM 0.00 0.0 M M M
1/6/2013 9:00 AM 0.00 0.0 M M M
1/7/2013 9:00 AM 0.00 0.0 M M M
1/8/2013 9:00 AM 0.00 0.0 M M M
1/9/2013 9:00 AM 0.00 0.0 M M M
1/14/2013 9:00 AM 0.00 0.0 M M M
1/15/2013 9:00 AM 0.00 0.0 M M M
1/16/2013 9:00 AM 0.00 0.0 M M M
1/20/2013 9:00 AM 0.00 0.0 M M M
1/21/2013 9:00 AM 0.00 0.0 M M M
1/22/2013 9:00 AM 0.00 0.0 M M M
1/23/2013 9:00 AM 0.00 0.0 M M M
1/24/2013 9:00 AM 0.35 M M M M
1/26/2013 9:00 AM 0.00 0.0 M M M
1/27/2013 9:00 AM 0.00 0.0 M M M
1/28/2013 9:00 AM 0.00 0.0 M M M
1/30/2013 9:00 AM 0.00 0.0 M M M
2/4/2013 9:00 AM 0.00 0.0 M M M
2/7/2013 9:00 AM 0.10 M M M M
2/11/2013 9:00 AM 0.00 0.0 M M M
2/12/2013 9:00 AM 0.00 0.0 M M M
2/14/2013 9:00 AM 0.00 0.0 M M M
2/19/2013 9:00 AM 0.07 M M M M
2/20/2013 9:00 AM 0.07 M M M M
2/21/2013 9:00 AM 0.00 0.0 M M M
2/22/2013 9:00 AM 0.00 0.0 M M M
2/25/2013 9:00 AM 0.00 0.0 M M M
2/28/2013 9:00 AM 0.00 0.0 M M M
3/2/2013 9:00 AM 0.00 0.0 M M M
3/3/2013 9:00 AM 0.00 0.0 M M M
3/6/2013 9:00 AM 0.12 M M M M
3/7/2013 9:00 AM 0.00 0.0 M M M
3/8/2013 7:50 AM 0.00 0.0 M M M
3/10/2013 9:00 AM 0.00 0.0 M M M
3/11/2013 9:00 AM 0.00 0.0 M M M
3/13/2013 9:00 AM 0.00 0.0 M M M
3/14/2013 9:00 AM 0.00 0.0 M M M
3/15/2013 9:00 AM 0.00 0.0 M M M
3/18/2013 9:00 AM 0.00 0.0 M M M
3/19/2013 9:00 AM 0.00 0.0 M M M
3/25/2013 9:00 AM 0.00 0.0 M M M
3/31/2013 9:00 AM 0.12 M M M M
4/1/2013 9:00 AM 0.68 M M M M 0.41 occurred in a 10 minute downpour with hail, thunder and lightning on 3/31 1:30 - 1:40 p.m. There was local street flooding due to the event, which cleared within minutes.
4/2/2013 9:00 AM 0.00 0.0 M M M
4/3/2013 9:00 AM 0.00 0.0 M M M
4/4/2013 9:00 AM 0.50 M M M M
4/5/2013 9:00 AM 0.06 0.0 M M M
4/12/2013 9:00 AM 0.00 0.0 M M M
4/20/2013 9:00 AM 0.00 0.0 M M M
5/1/2013 9:00 AM 0.00 0.0 M M M
5/3/2013 9:00 AM 0.00 0.0 M M M
5/7/2013 9:00 AM 0.18 M M M M All fell in about 10-15 minutes around 2 pm - fell in a downpour with a bit of slush at the start. Drizzled the last 5 minutes. A good wetting.
5/8/2013 9:00 AM 0.00 0.0 M M M
5/13/2013 9:00 AM 0.00 0.0 M M M
5/21/2013 9:00 AM 0.00 0.0 M M M
5/23/2013 9:00 AM 0.00 0.0 M M M
5/28/2013 9:00 AM 0.10 M M M M
6/5/2013 9:00 AM 0.00 0.0 M M M
6/6/2013 9:00 AM 0.00 0.0 M M M
6/10/2013 9:00 AM T M M M M
6/11/2013 9:00 AM 0.00 0.0 M M M
6/13/2013 9:00 AM 0.00 0.0 M M M
6/17/2013 9:00 AM 0.00 0.0 M M M
7/1/2013 9:00 AM 0.00 0.0 M M M
7/8/2013 9:00 AM 0.00 0.0 M M M
7/12/2013 9:00 AM 0.00 0.0 M M M
7/16/2013 9:00 AM 0.00 0.0 M M M
7/21/2013 9:00 AM 0.00 0.0 M M M
7/25/2013 9:00 AM 0.00 0.0 M M M
7/29/2013 9:00 AM 0.00 0.0 M M M
7/30/2013 9:00 AM 0.00 0.0 M M M
8/5/2013 9:00 AM 0.00 0.0 M M M
8/8/2013 9:00 AM 0.00 0.0 M M M
8/9/2013 9:00 AM 0.00 0.0 M M M
8/10/2013 9:00 AM 0.00 0.0 M M M
8/12/2013 9:00 AM 0.00 0.0 M M M
8/13/2013 9:00 AM 0.00 0.0 M M M
8/15/2013 9:00 AM 0.00 0.0 M M M
8/16/2013 9:00 AM 0.00 0.0 M M M
8/20/2013 9:00 AM 0.00 0.0 M M M
8/22/2013 9:00 AM 0.00 0.0 M M M
8/23/2013 9:00 AM 0.00 0.0 M M M
8/25/2013 9:00 AM 0.00 0.0 M M M
8/27/2013 9:00 AM 0.00 0.0 M M M
9/1/2013 9:00 AM 0.00 0.0 M M M
9/2/2013 9:00 AM 0.00 0.0 M M M
9/3/2013 9:00 AM 0.00 0.0 M M M
9/4/2013 9:00 AM 0.00 0.0 M M M
9/5/2013 9:00 AM 0.00 0.0 M M M
9/6/2013 9:00 AM 0.00 0.0 M M M
9/7/2013 9:00 AM 0.00 0.0 M M M
9/8/2013 9:00 AM 0.00 0.0 M M M
9/9/2013 9:00 AM 0.00 0.0 M M M
9/10/2013 9:00 AM 0.00 0.0 M M M
9/11/2013 9:00 AM 0.00 0.0 M M M
9/12/2013 9:00 AM 0.00 0.0 M M M
9/13/2013 9:00 AM 0.00 0.0 M M M
9/14/2013 9:00 AM 0.00 0.0 M M M
9/15/2013 9:00 AM 0.00 0.0 M M M
9/16/2013 9:00 AM 0.00 0.0 M M M
9/17/2013 9:00 AM 0.00 0.0 M M M
9/18/2013 9:00 AM 0.00 0.0 M M M
9/19/2013 9:00 AM 0.00 0.0 M M M
9/20/2013 9:00 AM 0.00 0.0 M M M
9/21/2013 9:00 AM 0.00 0.0 M M M
9/22/2013 9:00 AM 0.00 0.0 M M M
9/23/2013 9:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/21/2012 10/26/2012 7:00 PM 6 1.55 M M we were gone attending San Francisco Giants games - just got home last night.
10/30/2012 11/01/2012 1:00 PM 3 0.51 M M We were at the SF Giants Parade Celebration - it rained hard on us all night at the Marina near AT&T Park.
11/28/2012 12/08/2012 4:00 PM 11 5.72 M M I was out of town during the most recent storm event - we were visiting family in Southern California for Thanksgiving and a slow return camping up the coast. We just returned last night. Sorry to have miss what may have been the storm of the season.
9/23/2013 10/01/2013 12:00 AM 9 0.63 M M



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