Station Overview Station Location
Station Number CA-SC-17 Latitude 37.451555
Station Name Palo Alto 1.2 NE Longitude -122.148628
County Santa Clara Elevation (ft) 32



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 0.72 2.69 12 0.31 3 2.38 9 1 1 1 0.0 0 0
Nov 09 1.84 0.25 10 0.25 10 0.00 0 0 6 1 0.0 0 0
Dec 09 3.14 2.34 17 2.34 17 0.00 0 0 14 0 0.0 0 0
Jan 10 3.27 5.85 23 5.85 23 0.00 0 0 17 1 0.0 0 0
Feb 10 3.33 2.44 18 2.44 18 0.00 0 0 11 5 0.0 0 0
March 10 2.51 1.54 11 1.54 11 0.00 0 0 9 2 0.0 0 0
April 10 1.00 2.89 13 2.89 13 0.00 0 0 12 1 0.0 0 0
May 10 0.42 0.87 13 0.72 9 0.15 4 1 4 2 0.0 0 0
June 10 0.10 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 10 0.01 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 10 0.03 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 10 0.12 0.00 1 0.00 1 0.00 0 0 0 1 0.0 0 0
Water Year Totals: 16.49" 18.87" 118 days 16.34" 105 2.53" 13 days 2 74 days 14 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
10/2/2009
10/3/2009
10/4/2009
10/5/2009
10/6/2009
10/7/2009
10/8/2009
10/9/2009 **
10/10/2009 **
10/11/2009 **
10/12/2009 **
10/13/2009 **
10/14/2009 **
10/15/2009 **
10/16/2009 **
10/17/2009 0.00 2.38
10/18/2009
10/19/2009 T
10/20/2009 0.31
10/21/2009
10/22/2009
10/23/2009
10/24/2009
10/25/2009
10/26/2009
10/27/2009
10/28/2009
10/29/2009
10/30/2009
10/31/2009
11/1/2009
11/2/2009 0.00
11/3/2009
11/4/2009
11/5/2009
11/6/2009
11/7/2009 0.01
11/8/2009 0.00
11/9/2009
11/10/2009
11/11/2009
11/12/2009
11/13/2009
11/14/2009 0.02
11/15/2009 T
11/16/2009
11/17/2009
11/18/2009 0.03
11/19/2009
11/20/2009
11/21/2009 0.07
11/22/2009
11/23/2009
11/24/2009
11/25/2009
11/26/2009 0.00
11/27/2009 0.02
11/28/2009 0.10
11/29/2009
11/30/2009
12/1/2009
12/2/2009
12/3/2009
12/4/2009
12/5/2009
12/6/2009
12/7/2009 0.60
12/8/2009 0.03
12/9/2009
12/10/2009 0.01
12/11/2009 0.28
12/12/2009 0.16
12/13/2009 0.39
12/14/2009 0.03
12/15/2009
12/16/2009 0.04
12/17/2009
12/18/2009 0.00
12/19/2009 0.00
12/20/2009
12/21/2009 0.01
12/22/2009 0.10
12/23/2009
12/24/2009
12/25/2009
12/26/2009
12/27/2009 0.53
12/28/2009 0.01
12/29/2009 0.12
12/30/2009 0.03
12/31/2009 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.00
1/2/2010 0.03
1/3/2010
1/4/2010
1/5/2010
1/6/2010
1/7/2010
1/8/2010 0.00
1/9/2010 0.01
1/10/2010 T
1/11/2010 0.00
1/12/2010 0.19
1/13/2010 0.11
1/14/2010 0.04
1/15/2010
1/16/2010
1/17/2010 0.01
1/18/2010 0.05
1/19/2010 1.55
1/20/2010 0.84
1/21/2010 1.40
1/22/2010 0.76
1/23/2010 0.43
1/24/2010 0.06
1/25/2010 0.02
1/26/2010 0.04
1/27/2010 0.05
1/28/2010
1/29/2010 0.00
1/30/2010 0.26
1/31/2010 0.00
2/1/2010
2/2/2010
2/3/2010 0.02
2/4/2010
2/5/2010 0.53
2/6/2010 0.27
2/7/2010 0.02
2/8/2010 0.00
2/9/2010 0.24
2/10/2010 0.02
2/11/2010
2/12/2010 T
2/13/2010 T
2/14/2010
2/15/2010 0.00
2/16/2010
2/17/2010
2/18/2010
2/19/2010 0.03
2/20/2010 0.02
2/21/2010 T
2/22/2010 0.21
2/23/2010
2/24/2010 0.53
2/25/2010
2/26/2010 T
2/27/2010 0.55
2/28/2010 T
3/1/2010
3/2/2010 0.05
3/3/2010
3/4/2010 0.35
3/5/2010
3/6/2010
3/7/2010
3/8/2010 T
3/9/2010 0.18
3/10/2010 0.15
3/11/2010
3/12/2010 T
3/13/2010 0.39
3/14/2010
3/15/2010
3/16/2010
3/17/2010
3/18/2010
3/19/2010
3/20/2010
3/21/2010
3/22/2010
3/23/2010
3/24/2010
3/25/2010 0.02
3/26/2010 0.04
3/27/2010
3/28/2010
3/29/2010
3/30/2010 0.17
3/31/2010 0.19
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.27
4/2/2010
4/3/2010 0.06
4/4/2010
4/5/2010 0.59
4/6/2010 0.15
4/7/2010
4/8/2010
4/9/2010
4/10/2010
4/11/2010 T
4/12/2010 0.87
4/13/2010 0.20
4/14/2010
4/15/2010
4/16/2010
4/17/2010
4/18/2010
4/19/2010
4/20/2010 0.32
4/21/2010 0.06
4/22/2010 0.13
4/23/2010
4/24/2010
4/25/2010
4/26/2010
4/27/2010 0.04
4/28/2010 0.17
4/29/2010 0.03
4/30/2010
5/1/2010
5/2/2010
5/3/2010
5/4/2010
5/5/2010
5/6/2010
5/7/2010
5/8/2010
5/9/2010 T
5/10/2010 0.06
5/11/2010 0.14
5/12/2010
5/13/2010 0.00
5/14/2010 0.00
5/15/2010
5/16/2010 0.00
5/17/2010
5/18/2010 0.49
5/19/2010 0.03
5/20/2010
5/21/2010
5/22/2010
5/23/2010
5/24/2010 T
5/25/2010 **
5/26/2010 **
5/27/2010 **
5/28/2010 0.15
5/29/2010
5/30/2010
5/31/2010
6/1/2010
6/2/2010
6/3/2010
6/4/2010
6/5/2010
6/6/2010
6/7/2010
6/8/2010
6/9/2010
6/10/2010
6/11/2010
6/12/2010
6/13/2010
6/14/2010
6/15/2010
6/16/2010
6/17/2010
6/18/2010
6/19/2010
6/20/2010
6/21/2010
6/22/2010
6/23/2010
6/24/2010
6/25/2010
6/26/2010
6/27/2010
6/28/2010
6/29/2010
6/30/2010
Day of YearDaily PrcpMultiday Prcp
7/1/2010
7/2/2010
7/3/2010
7/4/2010
7/5/2010
7/6/2010
7/7/2010
7/8/2010
7/9/2010
7/10/2010
7/11/2010
7/12/2010
7/13/2010
7/14/2010
7/15/2010
7/16/2010
7/17/2010
7/18/2010
7/19/2010
7/20/2010
7/21/2010
7/22/2010
7/23/2010
7/24/2010
7/25/2010
7/26/2010
7/27/2010
7/28/2010
7/29/2010
7/30/2010
7/31/2010
8/1/2010
8/2/2010
8/3/2010
8/4/2010
8/5/2010
8/6/2010
8/7/2010
8/8/2010
8/9/2010
8/10/2010
8/11/2010
8/12/2010
8/13/2010
8/14/2010
8/15/2010
8/16/2010
8/17/2010
8/18/2010
8/19/2010
8/20/2010
8/21/2010
8/22/2010
8/23/2010
8/24/2010
8/25/2010
8/26/2010
8/27/2010
8/28/2010
8/29/2010
8/30/2010
8/31/2010
9/1/2010
9/2/2010
9/3/2010
9/4/2010
9/5/2010
9/6/2010
9/7/2010
9/8/2010
9/9/2010
9/10/2010
9/11/2010
9/12/2010
9/13/2010
9/14/2010
9/15/2010
9/16/2010
9/17/2010
9/18/2010
9/19/2010
9/20/2010 T
9/21/2010
9/22/2010
9/23/2010
9/24/2010
9/25/2010
9/26/2010
9/27/2010
9/28/2010
9/29/2010
9/30/2010



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/17/2009 7:00 AM 0.00 0.0 M M M
10/19/2009 7:00 AM T M M M M
10/20/2009 7:00 AM 0.31 M M M M
11/2/2009 7:00 AM 0.00 0.0 M M M
11/7/2009 7:00 AM 0.01 M M M M light rain showers around 4pm
11/8/2009 7:00 AM 0.00 0.0 M M M
11/14/2009 5:30 AM 0.02 M M M M light rain
11/15/2009 7:00 AM T M M M M light drizzle early am on 11/14/09 between 7am and 10am
11/18/2009 7:00 AM 0.03 M M M M light rain in the evening
11/21/2009 7:00 AM 0.07 M M M M very short moderate rain event around noon
11/26/2009 7:00 AM 0.00 0.0 M M M 39F fair weather at 7 am
11/27/2009 7:00 AM 0.02 M M M M very light early am rain
11/28/2009 6:00 AM 0.10 M M M M rain showers in the mid-day and afternoon times
12/7/2009 7:00 AM 0.60 M M M M rain. 39F
12/8/2009 7:00 AM 0.03 M M M M 26F
12/10/2009 7:00 AM 0.01 M M M M light rain overnight
12/11/2009 7:00 AM 0.28 M M M M
12/12/2009 6:45 AM 0.16 M M M M rain showers
12/13/2009 7:00 AM 0.39 M M M M rain showers
12/14/2009 7:00 AM 0.03 M M M M very light rain showers
12/16/2009 7:00 AM 0.04 M M M M
12/18/2009 7:00 AM 0.00 0.0 M M M
12/19/2009 7:00 AM 0.00 0.0 M M M dense ground fog
12/21/2009 7:00 AM 0.01 M M M M light rain shower last evening
12/22/2009 7:00 AM 0.10 M M M M
12/27/2009 7:00 AM 0.53 M M M M heavy rain showers overnight
12/28/2009 7:00 AM 0.01 M M M M
12/29/2009 7:00 AM 0.12 M M M M
12/30/2009 7:00 AM 0.03 M M M M very light rain off and on
12/31/2009 7:00 AM 0.00 0.0 M M M fog
1/1/2010 7:00 AM 0.00 0.0 M M M
1/2/2010 6:45 AM 0.03 M M M M light morning showers
1/8/2010 7:00 AM 0.00 0.0 M M M
1/9/2010 7:00 AM 0.01 M M M M light rain around noon
1/10/2010 7:00 AM T M M M M light showers early afternoon. dense fog this am
1/11/2010 7:00 AM 0.00 0.0 M M M
1/12/2010 7:00 AM 0.19 M M M M rain overnight
1/13/2010 7:00 AM 0.11 M M M M rain overnight
1/14/2010 7:00 AM 0.04 M M M M
1/17/2010 7:00 AM 0.01 M M M M very light rain overnight
1/18/2010 7:00 AM 0.05 M M M M impressive radar returns yesterday around noon, but very little rain hitting the ground.
1/19/2010 7:00 AM 1.55 M M M M heavy rain and wind at times
1/20/2010 7:00 AM 0.84 M M M M heavy rain at times
1/21/2010 7:00 AM 1.40 0.0 M M M
1/22/2010 7:00 AM 0.76 M M M M
1/23/2010 7:00 AM 0.43 M M M M rain showers off and on
1/24/2010 7:00 AM 0.06 M M M M short, heavy rain showers during the day yesterday
1/25/2010 7:00 AM 0.02 M M M M very light rain showers yesterday and overnight
1/26/2010 7:00 AM 0.04 M M M M light rain showers
1/27/2010 7:00 AM 0.05 M M M M light rain in the afternoon
1/29/2010 7:00 AM 0.00 0.0 M M M
1/30/2010 7:00 AM 0.26 M M M M brief, heavy rain last evening
1/31/2010 7:00 AM 0.00 0.0 M M M
2/3/2010 7:00 AM 0.02 M M M M
2/5/2010 7:00 AM 0.53 M M M M heavy rain from 7pm to 9pm
2/6/2010 7:00 AM 0.27 M M M M
2/7/2010 7:00 AM 0.02 M M M M
2/8/2010 7:00 AM 0.00 0.0 M M M
2/9/2010 6:58 AM 0.24 M M M M
2/10/2010 7:00 AM 0.02 M M M M
2/12/2010 7:00 AM T M M M M
2/13/2010 7:00 AM T M M M M
2/15/2010 7:00 AM 0.00 0.0 M M M dense ground fog
2/19/2010 7:00 AM 0.03 M M M M light rain overnight
2/20/2010 6:00 AM 0.02 M M M M light rain yesterday morning
2/21/2010 7:00 AM T M M M M
2/22/2010 6:45 AM 0.21 M M M M light to moderate showers off and on during the day and evening
2/24/2010 7:00 AM 0.53 M M M M
2/26/2010 7:00 AM T M M M M
2/27/2010 7:00 AM 0.55 M M M M brief, heavy rain friday afternoon
2/28/2010 7:00 AM T M M M M
3/2/2010 7:00 AM 0.05 M M M M heavy rain started just before 7 am
3/4/2010 7:00 AM 0.35 M M M M
3/8/2010 7:00 AM T M M M M light rain overnight
3/9/2010 7:00 AM 0.18 M M M M small hail(pea size) in the afternoon showers
3/10/2010 7:00 AM 0.15 M M M M
3/12/2010 6:45 AM T M M M M
3/13/2010 7:00 AM 0.39 M M M M
3/25/2010 7:00 AM 0.02 M M M M
3/26/2010 7:00 AM 0.04 M M M M
3/30/2010 7:00 AM 0.17 M M M M
3/31/2010 7:00 AM 0.19 M M M M
4/1/2010 6:30 AM 0.27 M M M M
4/3/2010 6:30 AM 0.06 M M M M
4/5/2010 7:00 AM 0.59 M M M M steady rain yesterday evening. heavy showers overnight.
4/6/2010 5:45 AM 0.15 M M M M short, heavy rain showers yesterday morning
4/11/2010 7:00 AM T M M M M
4/12/2010 7:00 AM 0.87 M M M M heavy rain for 3 to 4 hours yesterday afternoon
4/13/2010 6:30 AM 0.20 M M M M
4/20/2010 6:58 AM 0.32 M M M M
4/21/2010 7:00 AM 0.06 M M M M
4/22/2010 7:00 AM 0.13 M M M M
4/27/2010 7:00 AM 0.04 M M M M light rain starting just before 7am
4/28/2010 7:00 AM 0.17 M M M M
4/29/2010 7:00 AM 0.03 M M M M
5/9/2010 7:00 AM T M M M M
5/10/2010 7:00 AM 0.06 M M M M brief light to moderate rain yesterday around 9am
5/11/2010 7:00 AM 0.14 M M M M
5/13/2010 6:30 AM 0.00 0.0 M M M
5/14/2010 7:00 AM 0.00 0.0 M M M
5/16/2010 7:00 AM 0.00 0.0 M M M morning fog
5/18/2010 7:00 AM 0.49 M M M M light rain overnight accounted for most of the rainfall
5/19/2010 7:00 AM 0.03 M M M M
5/24/2010 7:00 AM T M M M M
9/20/2010 7:00 AM T M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/9/2009 10/17/2009 7:00 AM 9 2.38 M M Understand from other reports that most rain fell from 10/12/2009 to 10/14/2009. I was out of town.
5/25/2010 5/28/2010 7:00 AM 4 0.15 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