Station Overview Station Location
Station Number CA-AL-48 Latitude 37.582558
Station Name Union City 1.3 S Longitude -122.019691
County Alameda Elevation (ft) 45



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 18 0.86 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 18 1.90 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 18 2.75 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 19 3.07 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 19 3.07 3.80 14 3.80 14 0.00 0 0 9 1 0.0 0 0
March 19 2.48 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 19 1.06 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 19 0.53 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 19 0.11 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 19 0.01 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 19 0.03 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 19 0.14 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 16.01" 3.80" 14 days 3.80" 14 0.00" 0 days 0 9 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
10/1/2018
10/2/2018
10/3/2018
10/4/2018
10/5/2018
10/6/2018
10/7/2018
10/8/2018
10/9/2018
10/10/2018
10/11/2018
10/12/2018
10/13/2018
10/14/2018
10/15/2018
10/16/2018
10/17/2018
10/18/2018
10/19/2018
10/20/2018
10/21/2018
10/22/2018
10/23/2018
10/24/2018
10/25/2018
10/26/2018
10/27/2018
10/28/2018
10/29/2018
10/30/2018
10/31/2018
11/1/2018
11/2/2018
11/3/2018
11/4/2018
11/5/2018
11/6/2018
11/7/2018
11/8/2018
11/9/2018
11/10/2018
11/11/2018
11/12/2018
11/13/2018
11/14/2018
11/15/2018
11/16/2018
11/17/2018
11/18/2018
11/19/2018
11/20/2018
11/21/2018
11/22/2018
11/23/2018
11/24/2018
11/25/2018
11/26/2018
11/27/2018
11/28/2018
11/29/2018
11/30/2018
12/1/2018
12/2/2018
12/3/2018
12/4/2018
12/5/2018
12/6/2018
12/7/2018
12/8/2018
12/9/2018
12/10/2018
12/11/2018
12/12/2018
12/13/2018
12/14/2018
12/15/2018
12/16/2018
12/17/2018
12/18/2018
12/19/2018
12/20/2018
12/21/2018
12/22/2018
12/23/2018
12/24/2018
12/25/2018
12/26/2018
12/27/2018
12/28/2018
12/29/2018
12/30/2018
12/31/2018
Day of YearDaily PrcpMultiday Prcp
1/1/2019
1/2/2019
1/3/2019
1/4/2019
1/5/2019
1/6/2019
1/7/2019
1/8/2019
1/9/2019
1/10/2019
1/11/2019
1/12/2019
1/13/2019
1/14/2019
1/15/2019
1/16/2019
1/17/2019
1/18/2019
1/19/2019
1/20/2019
1/21/2019
1/22/2019
1/23/2019
1/24/2019
1/25/2019
1/26/2019
1/27/2019
1/28/2019
1/29/2019
1/30/2019
1/31/2019
2/1/2019
2/2/2019
2/3/2019
2/4/2019
2/5/2019
2/6/2019
2/7/2019
2/8/2019
2/9/2019
2/10/2019 0.64
2/11/2019 0.00
2/12/2019 0.00
2/13/2019 0.69
2/14/2019 0.72
2/15/2019 0.59
2/16/2019 0.36
2/17/2019 0.35
2/18/2019 T
2/19/2019 0.00
2/20/2019
2/21/2019 0.01
2/22/2019
2/23/2019
2/24/2019
2/25/2019 0.00
2/26/2019 0.05
2/27/2019 0.39
2/28/2019
3/1/2019
3/2/2019
3/3/2019
3/4/2019
3/5/2019
3/6/2019
3/7/2019
3/8/2019
3/9/2019
3/10/2019
3/11/2019
3/12/2019
3/13/2019
3/14/2019
3/15/2019
3/16/2019
3/17/2019
3/18/2019
3/19/2019
3/20/2019
3/21/2019
3/22/2019
3/23/2019
3/24/2019
3/25/2019
3/26/2019
3/27/2019
3/28/2019
3/29/2019
3/30/2019
3/31/2019
Day of YearDaily PrcpMultiday Prcp
4/1/2019
4/2/2019
4/3/2019
4/4/2019
4/5/2019
4/6/2019
4/7/2019
4/8/2019
4/9/2019
4/10/2019
4/11/2019
4/12/2019
4/13/2019
4/14/2019
4/15/2019
4/16/2019
4/17/2019
4/18/2019
4/19/2019
4/20/2019
4/21/2019
4/22/2019
4/23/2019
4/24/2019
4/25/2019
4/26/2019
4/27/2019
4/28/2019
4/29/2019
4/30/2019
5/1/2019
5/2/2019
5/3/2019
5/4/2019
5/5/2019
5/6/2019
5/7/2019
5/8/2019
5/9/2019
5/10/2019
5/11/2019
5/12/2019
5/13/2019
5/14/2019
5/15/2019
5/16/2019
5/17/2019
5/18/2019
5/19/2019
5/20/2019
5/21/2019
5/22/2019
5/23/2019
5/24/2019
5/25/2019
5/26/2019
5/27/2019
5/28/2019
5/29/2019
5/30/2019
5/31/2019
6/1/2019
6/2/2019
6/3/2019
6/4/2019
6/5/2019
6/6/2019
6/7/2019
6/8/2019
6/9/2019
6/10/2019
6/11/2019
6/12/2019
6/13/2019
6/14/2019
6/15/2019
6/16/2019
6/17/2019
6/18/2019
6/19/2019
6/20/2019
6/21/2019
6/22/2019
6/23/2019
6/24/2019
6/25/2019
6/26/2019
6/27/2019
6/28/2019
6/29/2019
6/30/2019
Day of YearDaily PrcpMultiday Prcp
7/1/2019
7/2/2019
7/3/2019
7/4/2019
7/5/2019
7/6/2019
7/7/2019
7/8/2019
7/9/2019
7/10/2019
7/11/2019
7/12/2019
7/13/2019
7/14/2019
7/15/2019
7/16/2019
7/17/2019
7/18/2019
7/19/2019
7/20/2019
7/21/2019
7/22/2019
7/23/2019
7/24/2019
7/25/2019
7/26/2019
7/27/2019
7/28/2019
7/29/2019
7/30/2019
7/31/2019
8/1/2019
8/2/2019
8/3/2019
8/4/2019
8/5/2019
8/6/2019
8/7/2019
8/8/2019
8/9/2019
8/10/2019
8/11/2019
8/12/2019
8/13/2019
8/14/2019
8/15/2019
8/16/2019
8/17/2019
8/18/2019
8/19/2019
8/20/2019
8/21/2019
8/22/2019
8/23/2019
8/24/2019
8/25/2019
8/26/2019
8/27/2019
8/28/2019
8/29/2019
8/30/2019
8/31/2019
9/1/2019
9/2/2019
9/3/2019
9/4/2019
9/5/2019
9/6/2019
9/7/2019
9/8/2019
9/9/2019
9/10/2019
9/11/2019
9/12/2019
9/13/2019
9/14/2019
9/15/2019
9/16/2019
9/17/2019
9/18/2019
9/19/2019
9/20/2019
9/21/2019
9/22/2019
9/23/2019
9/24/2019
9/25/2019
9/26/2019
9/27/2019
9/28/2019
9/29/2019
9/30/2019



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
2/10/2019 10:25 AM 0.64 M M M M We've had Widely scattered showers from 4:45 pm PST to 7:00 PST. There was a period of Steady rain however from 12 am to 3 am on Sunday.
2/11/2019 6:44 AM 0.00 0.0 M M M I Looked very carefully inside the 1-inch tube and not a single drop. Some dew on the outside cylinder though, Will keep values 0.00 in due to to nothing inside. Skies Mostly clear, Temp.38.4F, Winds E 2 mph, Barometer 30.21 inhg. Forecast Mostly sunny today with a H52 L41, Winds Light and Variable under a stagnant pattern today. Increasing clouds with rain arriving by Wednesday morning.
2/12/2019 7:35 AM 0.00 0.0 M M M Cloudy skies, 49.9 degrees SE wind 3 mph Gusting to 8 mph.
2/13/2019 7:48 AM 0.69 M M M M My Davis Weather Vantage Vue Weather Station Reported 0.78 inches of Rain while the CoCoRaHs Rain Guage only had 0.63 inches, therefore, I have to average it out around 0.69 inches.
2/14/2019 7:00 AM 0.72 M M M M Rain continued from Last rain report at 7:47 am Yesterday.
2/15/2019 7:45 AM 0.59 M M M M Rain was Of an On until around 11:00 am PST yesterday. Last night around 10:15 pm PST rain came down very hard for about 15 min but went back of being off and on. I won't be able to fill out the Duration information as there was several times when it started and stoped.
2/16/2019 7:45 AM 0.36 M M M M Rain was off and on Yesterday
2/17/2019 7:45 AM 0.35 M M M M The rain was on and off once again yesterday.
2/18/2019 7:45 AM T M M M M Tiny bit of moisture formed inside the plastic rain gauge.
2/19/2019 7:45 AM 0.00 0.0 M M M Sunny skies and a Dry day
2/21/2019 7:45 AM 0.01 M M M M A Quick Sprinkle yesterday.
2/25/2019 7:45 AM 0.00 0.0 M M M No Rain yet but there will be very heavy rain this evening.
2/26/2019 7:45 AM 0.05 M M M M rained a little overnight.
2/27/2019 7:45 AM 0.39 M 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