Station Overview Station Location
Station Number AZ-PM-82 Latitude 32.22607
Station Name Tucson 5.8 ENE Longitude -110.79839
County Pima Elevation (ft) 2644



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 16 0.99 0.18 31 0.18 31 0.00 0 0 3 1 0.0 0 0
Nov 16 0.75 0.37 30 0.37 30 0.00 0 0 4 0 0.0 0 0
Dec 16 1.27 1.72 31 1.72 31 0.00 0 0 6 2 0.0 0 0
Jan 17 1.15 1.97 31 1.97 31 0.00 0 0 7 0 0.0 0 0
Feb 17 1.12 0.25 28 0.25 28 0.00 0 0 6 3 0.0 0 0
March 17 1.08 0.16 31 0.16 31 0.00 0 0 2 1 0.0 0 0
April 17 0.37 0.00 30 0.00 30 0.00 0 0 0 0 0.0 0 0
May 17 0.29 0.12 31 0.12 31 0.00 0 0 2 2 0.0 0 0
June 17 0.19 0.00 30 0.00 30 0.00 0 0 0 0 0.0 0 0
July 17 2.08 3.63 31 3.63 31 0.00 0 0 11 4 0.0 0 0
Aug 17 2.52 2.37 31 2.37 31 0.00 0 0 6 4 0.0 0 0
Sept 17 1.36 0.09 30 0.09 30 0.00 0 0 4 3 0.0 0 0
Water Year Totals: 13.17" 10.86" 365 days 10.86" 365 0.00" 0 days 0 51 days 20 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
10/1/2016 0.00
10/2/2016 0.14
10/3/2016 0.00
10/4/2016 0.00
10/5/2016 0.00
10/6/2016 0.00
10/7/2016 0.00
10/8/2016 T
10/9/2016 0.00
10/10/2016 0.00
10/11/2016 0.00
10/12/2016 0.00
10/13/2016 0.00
10/14/2016 0.00
10/15/2016 0.00
10/16/2016 0.00
10/17/2016 0.00
10/18/2016 0.00
10/19/2016 0.00
10/20/2016 0.00
10/21/2016 0.00
10/22/2016 0.00
10/23/2016 0.00
10/24/2016 0.01
10/25/2016 0.03
10/26/2016 0.00
10/27/2016 0.00
10/28/2016 0.00
10/29/2016 0.00
10/30/2016 0.00
10/31/2016 0.00
11/1/2016 0.00
11/2/2016 0.00
11/3/2016 0.04
11/4/2016 0.22
11/5/2016 0.00
11/6/2016 0.00
11/7/2016 0.00
11/8/2016 0.00
11/9/2016 0.00
11/10/2016 0.00
11/11/2016 0.00
11/12/2016 0.00
11/13/2016 0.00
11/14/2016 0.00
11/15/2016 0.00
11/16/2016 0.00
11/17/2016 0.00
11/18/2016 0.00
11/19/2016 0.00
11/20/2016 0.00
11/21/2016 0.01
11/22/2016 0.00
11/23/2016 0.00
11/24/2016 0.00
11/25/2016 0.00
11/26/2016 0.00
11/27/2016 0.00
11/28/2016 0.10
11/29/2016 0.00
11/30/2016 0.00
12/1/2016 0.00
12/2/2016 0.00
12/3/2016 T
12/4/2016 0.00
12/5/2016 0.00
12/6/2016 0.00
12/7/2016 0.00
12/8/2016 0.00
12/9/2016 0.00
12/10/2016 0.00
12/11/2016 0.00
12/12/2016 0.00
12/13/2016 0.00
12/14/2016 0.00
12/15/2016 0.00
12/16/2016 T
12/17/2016 0.28
12/18/2016 0.00
12/19/2016 0.00
12/20/2016 0.00
12/21/2016 0.04
12/22/2016 0.37
12/23/2016 0.00
12/24/2016 0.20
12/25/2016 0.20
12/26/2016 0.00
12/27/2016 0.00
12/28/2016 0.00
12/29/2016 0.00
12/30/2016 0.00
12/31/2016 0.63
Day of YearDaily PrcpMultiday Prcp
1/1/2017 0.28
1/2/2017 0.00
1/3/2017 0.00
1/4/2017 0.00
1/5/2017 0.00
1/6/2017 0.00
1/7/2017 0.00
1/8/2017 0.00
1/9/2017 0.00
1/10/2017 0.00
1/11/2017 0.00
1/12/2017 0.00
1/13/2017 0.00
1/14/2017 0.04
1/15/2017 0.73
1/16/2017 0.26
1/17/2017 0.00
1/18/2017 0.00
1/19/2017 0.00
1/20/2017 0.11
1/21/2017 0.35
1/22/2017 0.00
1/23/2017 0.00
1/24/2017 0.20
1/25/2017 0.00
1/26/2017 0.00
1/27/2017 0.00
1/28/2017 0.00
1/29/2017 0.00
1/30/2017 0.00
1/31/2017 0.00
2/1/2017 0.00
2/2/2017 0.00
2/3/2017 0.00
2/4/2017 0.00
2/5/2017 0.00
2/6/2017 T
2/7/2017 0.00
2/8/2017 0.00
2/9/2017 0.00
2/10/2017 0.00
2/11/2017 0.00
2/12/2017 0.02
2/13/2017 T
2/14/2017 0.05
2/15/2017 0.00
2/16/2017 0.00
2/17/2017 0.00
2/18/2017 0.05
2/19/2017 0.07
2/20/2017 0.04
2/21/2017 0.00
2/22/2017 0.00
2/23/2017 0.00
2/24/2017 0.00
2/25/2017 0.00
2/26/2017 T
2/27/2017 0.00
2/28/2017 0.02
3/1/2017 0.00
3/2/2017 0.00
3/3/2017 0.00
3/4/2017 0.00
3/5/2017 0.00
3/6/2017 0.00
3/7/2017 0.00
3/8/2017 0.00
3/9/2017 0.00
3/10/2017 0.00
3/11/2017 0.00
3/12/2017 0.00
3/13/2017 0.00
3/14/2017 0.00
3/15/2017 0.00
3/16/2017 0.00
3/17/2017 0.00
3/18/2017 0.00
3/19/2017 0.00
3/20/2017 0.00
3/21/2017 0.00
3/22/2017 0.00
3/23/2017 T
3/24/2017 0.00
3/25/2017 0.00
3/26/2017 0.00
3/27/2017 0.00
3/28/2017 0.14
3/29/2017 0.00
3/30/2017 0.00
3/31/2017 0.02
Day of YearDaily PrcpMultiday Prcp
4/1/2017 0.00
4/2/2017 0.00
4/3/2017 0.00
4/4/2017 0.00
4/5/2017 0.00
4/6/2017 0.00
4/7/2017 0.00
4/8/2017 0.00
4/9/2017 0.00
4/10/2017 0.00
4/11/2017 0.00
4/12/2017 0.00
4/13/2017 0.00
4/14/2017 0.00
4/15/2017 0.00
4/16/2017 0.00
4/17/2017 0.00
4/18/2017 0.00
4/19/2017 0.00
4/20/2017 0.00
4/21/2017 0.00
4/22/2017 0.00
4/23/2017 0.00
4/24/2017 0.00
4/25/2017 0.00
4/26/2017 0.00
4/27/2017 0.00
4/28/2017 0.00
4/29/2017 0.00
4/30/2017 0.00
5/1/2017 0.00
5/2/2017 0.00
5/3/2017 0.00
5/4/2017 0.00
5/5/2017 0.00
5/6/2017 0.00
5/7/2017 T
5/8/2017 0.01
5/9/2017 0.11
5/10/2017 0.00
5/11/2017 0.00
5/12/2017 0.00
5/13/2017 0.00
5/14/2017 0.00
5/15/2017 0.00
5/16/2017 T
5/17/2017 0.00
5/18/2017 0.00
5/19/2017 0.00
5/20/2017 0.00
5/21/2017 0.00
5/22/2017 0.00
5/23/2017 0.00
5/24/2017 0.00
5/25/2017 0.00
5/26/2017 0.00
5/27/2017 0.00
5/28/2017 0.00
5/29/2017 0.00
5/30/2017 0.00
5/31/2017 0.00
6/1/2017 0.00
6/2/2017 0.00
6/3/2017 0.00
6/4/2017 0.00
6/5/2017 0.00
6/6/2017 0.00
6/7/2017 0.00
6/8/2017 0.00
6/9/2017 0.00
6/10/2017 0.00
6/11/2017 0.00
6/12/2017 0.00
6/13/2017 0.00
6/14/2017 0.00
6/15/2017 0.00
6/16/2017 0.00
6/17/2017 0.00
6/18/2017 0.00
6/19/2017 0.00
6/20/2017 0.00
6/21/2017 0.00
6/22/2017 0.00
6/23/2017 0.00
6/24/2017 0.00
6/25/2017 0.00
6/26/2017 0.00
6/27/2017 0.00
6/28/2017 0.00
6/29/2017 0.00
6/30/2017 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2017 0.00
7/2/2017 0.00
7/3/2017 0.00
7/4/2017 0.00
7/5/2017 0.00
7/6/2017 0.00
7/7/2017 0.00
7/8/2017 0.00
7/9/2017 T
7/10/2017 0.00
7/11/2017 1.15
7/12/2017 0.00
7/13/2017 T
7/14/2017 0.31
7/15/2017 0.04
7/16/2017 0.50
7/17/2017 T
7/18/2017 0.03
7/19/2017 T
7/20/2017 0.00
7/21/2017 0.16
7/22/2017 0.08
7/23/2017 0.32
7/24/2017 0.00
7/25/2017 0.00
7/26/2017 0.00
7/27/2017 0.00
7/28/2017 0.39
7/29/2017 0.64
7/30/2017 0.01
7/31/2017 0.00
8/1/2017 T
8/2/2017 T
8/3/2017 0.00
8/4/2017 0.00
8/5/2017 0.00
8/6/2017 0.00
8/7/2017 0.00
8/8/2017 0.00
8/9/2017 0.00
8/10/2017 0.52
8/11/2017 T
8/12/2017 0.00
8/13/2017 1.57
8/14/2017 0.00
8/15/2017 T
8/16/2017 0.00
8/17/2017 0.00
8/18/2017 0.00
8/19/2017 0.00
8/20/2017 0.00
8/21/2017 0.00
8/22/2017 0.00
8/23/2017 0.10
8/24/2017 0.06
8/25/2017 0.01
8/26/2017 0.00
8/27/2017 0.11
8/28/2017 0.00
8/29/2017 0.00
8/30/2017 0.00
8/31/2017 0.00
9/1/2017 0.00
9/2/2017 0.00
9/3/2017 0.00
9/4/2017 T
9/5/2017 0.00
9/6/2017 0.00
9/7/2017 0.02
9/8/2017 0.02
9/9/2017 0.04
9/10/2017 0.00
9/11/2017 0.00
9/12/2017 0.00
9/13/2017 T
9/14/2017 0.00
9/15/2017 0.01
9/16/2017 0.00
9/17/2017 0.00
9/18/2017 0.00
9/19/2017 0.00
9/20/2017 0.00
9/21/2017 0.00
9/22/2017 0.00
9/23/2017 T
9/24/2017 0.00
9/25/2017 0.00
9/26/2017 0.00
9/27/2017 0.00
9/28/2017 0.00
9/29/2017 0.00
9/30/2017 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2016 6:00 PM 0.00 0.0 M M M
10/2/2016 6:00 PM 0.14 M M M M Moderate to heavy rainshowers this afternoon, which is unusual since most of our storms here are thunderstorms. There was a brief sprinkle around 12:30 pm which only amounted to a trace, and then the heavier showers moved in at the time indicated below. Maximum observed rainfall rate was 1.57 inch/hour during the heaviest precipitation period.
10/3/2016 6:00 PM 0.00 0.0 M M M
10/4/2016 6:00 PM 0.00 0.0 M M M
10/5/2016 6:00 PM 0.00 0.0 M M M
10/6/2016 6:00 PM 0.00 0.0 M M M
10/7/2016 6:00 PM 0.00 0.0 M M M
10/8/2016 6:00 PM T M M M M Just a late afternoon sprinkle. Strong storms went either side of us moving northward.
10/9/2016 6:00 PM 0.00 0.0 M M M
10/10/2016 6:00 PM 0.00 0.0 M M M
10/11/2016 6:00 PM 0.00 0.0 M M M
10/12/2016 6:00 PM 0.00 0.0 M M M
10/13/2016 6:00 PM 0.00 0.0 M M M
10/14/2016 6:00 PM 0.00 0.0 M M M
10/15/2016 6:00 PM 0.00 0.0 M M M
10/16/2016 6:00 PM 0.00 0.0 M M M
10/17/2016 6:00 PM 0.00 0.0 M M M
10/18/2016 6:00 PM 0.00 0.0 M M M
10/19/2016 6:00 PM 0.00 0.0 M M M
10/20/2016 6:00 PM 0.00 0.0 M M M
10/21/2016 6:00 PM 0.00 0.0 M M M
10/22/2016 6:00 PM 0.00 0.0 M M M
10/23/2016 6:00 PM 0.00 0.0 M M M
10/24/2016 6:00 PM 0.01 M M M M Still thundering and raining at ob time.
10/25/2016 6:00 PM 0.03 M M M M
10/26/2016 6:00 PM 0.00 0.0 M M M
10/27/2016 6:00 PM 0.00 0.0 M M M
10/28/2016 6:00 PM 0.00 0.0 M M M
10/29/2016 6:00 PM 0.00 0.0 M M M
10/30/2016 6:00 PM 0.00 0.0 M M M
10/31/2016 6:00 PM 0.00 0.0 M M M
11/1/2016 6:00 PM 0.00 0.0 M M M
11/2/2016 6:00 PM 0.00 0.0 M M M
11/3/2016 6:00 PM 0.04 M M M M Thunderstorms close by presently. Had several fast moving cells last night, one of which produced a rainfall rate of 3.18 inch/hour.
11/4/2016 6:00 PM 0.22 M M M M Strong but fast moving storm. Recorded maximum rainfall rate of 4.30 inch/hour during heaviest precipitation period noted below.
11/5/2016 6:00 PM 0.00 0.0 M M M
11/6/2016 6:00 PM 0.00 0.0 M M M
11/7/2016 6:00 PM 0.00 0.0 M M M
11/8/2016 6:00 PM 0.00 0.0 M M M
11/9/2016 6:00 PM 0.00 0.0 M M M
11/10/2016 6:00 PM 0.00 0.0 M M M
11/11/2016 6:00 PM 0.00 0.0 M M M
11/12/2016 6:00 PM 0.00 0.0 M M M
11/13/2016 6:00 PM 0.00 0.0 M M M
11/14/2016 6:00 PM 0.00 0.0 M M M
11/15/2016 6:00 PM 0.00 0.0 M M M
11/16/2016 6:00 PM 0.00 0.0 M M M
11/17/2016 6:00 PM 0.00 0.0 M M M
11/18/2016 6:00 PM 0.00 0.0 M M M
11/19/2016 6:00 PM 0.00 0.0 M M M
11/20/2016 6:00 PM 0.00 0.0 M M M
11/21/2016 6:00 PM 0.01 M M M M
11/22/2016 6:00 PM 0.00 0.0 M M M
11/23/2016 6:00 PM 0.00 0.0 M M M
11/24/2016 6:00 PM 0.00 0.0 M M M
11/25/2016 6:00 PM 0.00 0.0 M M M
11/26/2016 6:00 PM 0.00 0.0 M M M
11/27/2016 6:00 PM 0.00 0.0 M M M
11/28/2016 6:00 PM 0.10 M M M M Rain began with cold frontal passage.
11/29/2016 6:00 PM 0.00 0.0 M M M
11/30/2016 6:00 PM 0.00 0.0 M M M
12/1/2016 6:00 PM 0.00 0.0 M M M
12/2/2016 6:00 PM 0.00 0.0 M M M
12/3/2016 6:00 PM T M M M M Heard a sprinkle on the skylight at 11:27 pm, so called it a trace. There was VIRGA around.
12/4/2016 6:00 PM 0.00 0.0 M M M
12/5/2016 6:00 PM 0.00 0.0 M M M
12/6/2016 6:00 PM 0.00 0.0 M M M
12/7/2016 6:00 PM 0.00 0.0 M M M
12/8/2016 6:00 PM 0.00 0.0 M M M
12/9/2016 6:00 PM 0.00 0.0 M M M
12/10/2016 6:00 PM 0.00 0.0 M M M
12/11/2016 6:00 PM 0.00 0.0 M M M
12/12/2016 6:00 PM 0.00 0.0 M M M
12/13/2016 6:00 PM 0.00 0.0 M M M
12/14/2016 6:00 PM 0.00 0.0 M M M
12/15/2016 6:00 PM 0.00 0.0 M M M
12/16/2016 6:00 PM T M M M M Very light sprinkles from fast moving showers between 3:00 and 6:00 am.
12/17/2016 6:00 PM 0.28 M M M M There was an earlier rain period from 1:10 to 1:20 am that produced a couple hundredths. Then things got interesting as the cold front came through at 4:20 am with a 14 degree F temperature drop and wind gusts up to 21KTS. There was an observed maximum rainfall rate of .94 inch/hour at 4:30 am and some small hail or ice pellets in with the rain.
12/18/2016 6:00 PM 0.00 0.0 M M M
12/19/2016 6:00 PM 0.00 0.0 M M M
12/20/2016 6:00 PM 0.00 0.0 M M M
12/21/2016 6:00 PM 0.04 M M M M Very light, started and stopped numerous times.
12/22/2016 6:00 PM 0.37 M M M M There were a couple more light rain events after the initial ending time.
12/23/2016 6:00 PM 0.00 0.0 M M M
12/24/2016 6:00 PM 0.20 M M M M Pre-frontal wind gusts in the 20-24KT range this afternoon. Cold front passage was observed at 4:30 pm with moderate rainshowers and a 16 F temperature drop in 30 minutes. Maximum observed rainfall rate was 1.27 inch/hour at 4:30 pm. It continues to rain at observation time.
12/25/2016 6:00 PM 0.20 M M M M Maximum observed rainfall rate .85 inch/hour at indicated heaviest precipitation time.
12/26/2016 6:00 PM 0.00 0.0 M M M
12/27/2016 6:00 PM 0.00 0.0 M M M
12/28/2016 6:00 PM 0.00 0.0 M M M
12/29/2016 6:00 PM 0.00 0.0 M M M
12/30/2016 6:00 PM 0.00 0.0 M M M
12/31/2016 6:00 PM 0.63 M M M M There were three periods of measurable precipitation during the period. I will use the earliest starting time and the latest ending time for duration and specify in remarks the intermediate times. The first period ended at 7:48 pm and was accompanied by some rumbles of thunder to the south and east. Received .10 inch in that 32 minutes and also observed a maximum rainfall rate of 1.27 inch/hour. Rain began again at 11:15 pm and rained fairly continuously overnight until 5:50 am. Total rain during that period was .52 inch. Then it sprinkled on and off throughout the day with a measurable period starting at 4:50 pm and ending 25 minutes later for another .01 inch. It is raining again as I type this as another wave approaches.
1/1/2017 6:00 PM 0.28 M M M M Light rain continued for a time last night after the 6 pm measurement between 6:10 pm and 9:15 pm producing maybe .02-.03 inch. The second wave came through the area this morning with a distinctive cold frontal pattern of moderate rainshowers and some gusty winds. The actual frontal band of showers passed from 10:20 am through 11:15 am where a maximum rainfall rate of .38 inch/hour was observed at 10:50 am.
1/2/2017 6:00 PM 0.00 0.0 M M M
1/3/2017 6:00 PM 0.00 0.0 M M M
1/4/2017 6:00 PM 0.00 0.0 M M M
1/5/2017 6:00 PM 0.00 0.0 M M M
1/6/2017 6:00 PM 0.00 0.0 M M M
1/7/2017 6:00 PM 0.00 0.0 M M M
1/8/2017 6:00 PM 0.00 0.0 M M M
1/9/2017 6:00 PM 0.00 0.0 M M M
1/10/2017 6:00 PM 0.00 0.0 M M M
1/11/2017 6:00 PM 0.00 0.0 M M M
1/12/2017 6:00 PM 0.00 0.0 M M M
1/13/2017 6:00 PM 0.00 0.0 M M M
1/14/2017 6:00 PM 0.04 M M M M Fast moving thunderstorm this afternoon produced some small hail (which I did not measure) and a maximum observed rainfall rate of 1.01 inch per hour at 3:10 pm. Before the storm, the surface winds became gusty from the southeast with a mean of 9KTS and gust to 23KT at 12:35 pm.
1/15/2017 6:00 PM 0.73 M M M M Rained off and on numerous times today. Start and stop times below are inclusive of this situation. Maximum observed rainfall rate was 1.44 inch/hour at 7:30 pm with another thunderstorm. It began to rain moderately at the time of this observation.
1/16/2017 6:00 PM 0.26 M M M M Maximum observed rainfall rate was 1.20 inch/hour at 6:05 pm.
1/17/2017 6:00 PM 0.00 0.0 M M M I did get a .01 bucket tip in my Davis Vantage Vue weather station, but I think it must have been frost.
1/18/2017 6:00 PM 0.00 0.0 M M M
1/19/2017 6:00 PM 0.00 0.0 M M M
1/20/2017 6:00 PM 0.11 M M M M A little sprinkle this morning 7:05-7:45 am for .02 inch. More productive clouds this afternoon.
1/21/2017 6:00 PM 0.35 M M M M I think the cold front came through around 1:09 am, with a line of heavier showers and even a lightning strike. There was some small hail or ice pellets briefly too. The maximum observed rainfall rate was 1.47 inch/hour at 1:10 am. Maximum wind gusts to 20KT from the west were observed around that time also. Rain started and stopped numerous times between the Began/Ended times below.
1/22/2017 6:00 PM 0.00 0.0 M M M
1/23/2017 6:00 PM 0.00 0.0 M M M
1/24/2017 6:00 PM 0.20 M M M M Maximum observed rainfall rate 1.33 inch/hour.
1/25/2017 6:00 PM 0.00 0.0 M M M
1/26/2017 6:00 PM 0.00 0.0 M M M
1/27/2017 6:00 PM 0.00 0.0 M M M
1/28/2017 6:00 PM 0.00 0.0 M M M
1/29/2017 6:00 PM 0.00 0.0 M M M
1/30/2017 6:00 PM 0.00 0.0 M M M
1/31/2017 6:00 PM 0.00 0.0 M M M
2/1/2017 6:00 PM 0.00 0.0 M M M
2/2/2017 6:00 PM 0.00 0.0 M M M
2/3/2017 6:00 PM 0.00 0.0 M M M
2/4/2017 6:00 PM 0.00 0.0 M M M
2/5/2017 6:00 PM 0.00 0.0 M M M
2/6/2017 6:00 PM T M M M M
2/7/2017 6:00 PM 0.00 0.0 M M M
2/8/2017 6:00 PM 0.00 0.0 M M M
2/9/2017 6:00 PM 0.00 0.0 M M M
2/10/2017 6:00 PM 0.00 0.0 M M M
2/11/2017 6:00 PM 0.00 0.0 M M M
2/12/2017 6:00 PM 0.02 M M M M Some sprinkles which started about 4:15 pm before a cell finally moved OHD. Couple of rumbles of thunder around the area too.
2/13/2017 6:00 PM T M M M M A couple periods of brief sprinkles overnight from fast moving cells, one in particular noted when leaving for work at 4:20 am.
2/14/2017 6:00 PM 0.05 M M M M
2/15/2017 6:00 PM 0.00 0.0 M M M
2/16/2017 6:00 PM 0.00 0.0 M M M
2/17/2017 6:00 PM 0.00 0.0 M M M
2/18/2017 6:00 PM 0.05 M M M M Sprinkles began at 10 am this morning, but measurable precipitation didn't start until 2:50 pm. It is still raining lightly, but radar shows the back edge very close.
2/19/2017 6:00 PM 0.07 M M M M Rain and drizzle off and on all day. After noon the character of the rain became more showery as the cold pool associated with the upper low moved across the Tucson Metro. Since I started the rain yesterday, and it was also still raining at measurement time, I will end what started yesterday and put today's rain in the notes. This morning very light rain with periods of drizzle began at 7:25 am, became more showery with longer periods of no rain in the afternoon, and was still lightly drizzling at measurement time.
2/20/2017 6:00 PM 0.04 M M M M Some more light sprinkles around and after midnight.
2/21/2017 6:00 PM 0.00 0.0 M M M
2/22/2017 6:00 PM 0.00 0.0 M M M
2/23/2017 6:00 PM 0.00 0.0 M M M
2/24/2017 6:00 PM 0.00 0.0 M M M
2/25/2017 6:00 PM 0.00 0.0 M M M
2/26/2017 6:00 PM T M M M M Some sprinkles between 10:40 - 10:50 am.
2/27/2017 6:00 PM 0.00 0.0 M M M
2/28/2017 6:00 PM 0.02 M M M M Light rain started and stopped numerous times.
3/1/2017 6:00 PM 0.00 0.0 M M M
3/2/2017 6:00 PM 0.00 0.0 M M M
3/3/2017 6:00 PM 0.00 0.0 M M M
3/4/2017 6:00 PM 0.00 0.0 M M M
3/5/2017 6:00 PM 0.00 0.0 M M M
3/6/2017 6:00 PM 0.00 0.0 M M M
3/7/2017 6:00 PM 0.00 0.0 M M M
3/8/2017 6:00 PM 0.00 0.0 M M M
3/9/2017 6:00 PM 0.00 0.0 M M M
3/10/2017 6:00 PM 0.00 0.0 M M M
3/11/2017 6:00 PM 0.00 0.0 M M M
3/12/2017 6:00 PM 0.00 0.0 M M M
3/13/2017 6:00 PM 0.00 0.0 M M M
3/14/2017 6:00 PM 0.00 0.0 M M M
3/15/2017 6:00 PM 0.00 0.0 M M M
3/16/2017 6:00 PM 0.00 0.0 M M M
3/17/2017 6:00 PM 0.00 0.0 M M M
3/18/2017 6:00 PM 0.00 0.0 M M M
3/19/2017 6:00 PM 0.00 0.0 M M M
3/20/2017 6:00 PM 0.00 0.0 M M M
3/21/2017 6:00 PM 0.00 0.0 M M M
3/22/2017 6:00 PM 0.00 0.0 M M M
3/23/2017 6:00 PM T M M M M
3/24/2017 6:00 PM 0.00 0.0 M M M
3/25/2017 6:00 PM 0.00 0.0 M M M
3/26/2017 6:00 PM 0.00 0.0 M M M
3/27/2017 6:00 PM 0.00 0.0 M M M
3/28/2017 6:00 PM 0.14 M M M M Some thunder close by. I was at work though.
3/29/2017 6:00 PM 0.00 0.0 M M M
3/30/2017 6:00 PM 0.00 0.0 M M M
3/31/2017 6:00 PM 0.02 M M M M Very windy pre-frontal with a peak gust SW 13G27KT at 1:55 am. Cold frontal passage at 4:20 am.
4/1/2017 6:00 PM 0.00 0.0 M M M
4/2/2017 6:00 PM 0.00 0.0 M M M
4/3/2017 6:00 PM 0.00 0.0 M M M
4/4/2017 6:00 PM 0.00 0.0 M M M
4/5/2017 6:00 PM 0.00 0.0 M M M
4/6/2017 6:00 PM 0.00 0.0 M M M
4/7/2017 6:00 PM 0.00 0.0 M M M
4/8/2017 6:00 PM 0.00 0.0 M M M
4/9/2017 6:00 PM 0.00 0.0 M M M
4/10/2017 6:00 PM 0.00 0.0 M M M
4/11/2017 6:00 PM 0.00 0.0 M M M
4/12/2017 6:00 PM 0.00 0.0 M M M
4/13/2017 6:00 PM 0.00 0.0 M M M
4/14/2017 6:00 PM 0.00 0.0 M M M
4/15/2017 6:00 PM 0.00 0.0 M M M
4/16/2017 6:00 PM 0.00 0.0 M M M
4/17/2017 6:00 PM 0.00 0.0 M M M
4/18/2017 6:00 PM 0.00 0.0 M M M
4/19/2017 6:00 PM 0.00 0.0 M M M
4/20/2017 6:00 PM 0.00 0.0 M M M
4/21/2017 6:00 PM 0.00 0.0 M M M
4/22/2017 6:00 PM 0.00 0.0 M M M
4/23/2017 6:00 PM 0.00 0.0 M M M
4/24/2017 6:00 PM 0.00 0.0 M M M
4/25/2017 6:00 PM 0.00 0.0 M M M
4/26/2017 6:00 PM 0.00 0.0 M M M
4/27/2017 6:00 PM 0.00 0.0 M M M
4/28/2017 6:00 PM 0.00 0.0 M M M
4/29/2017 6:00 PM 0.00 0.0 M M M
4/30/2017 6:00 PM 0.00 0.0 M M M
5/1/2017 6:00 PM 0.00 0.0 M M M
5/2/2017 6:00 PM 0.00 0.0 M M M
5/3/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/4/2017 6:00 PM 0.00 0.0 M M M
5/5/2017 6:00 PM 0.00 0.0 M M M Lots of virga but no sprinkles reaching the ground.
5/6/2017 6:00 PM 0.00 0.0 M M M Several gusts to 25KT from the south today. Breezy.
5/7/2017 6:00 PM T M M M M Some light sprinkles between 3 and 4 pm. Successful VIRGA.
5/8/2017 6:00 PM 0.01 M M M M Very light rain, mostly VIRGA again.
5/9/2017 6:00 PM 0.11 M M M M Two rain events, documented the longer one below. Second brief event started at 1:00 pm and ended at 1:15 pm for only .02 inch. Cloudy and cool all day.
5/10/2017 6:00 PM 0.00 0.0 M M M
5/11/2017 6:00 PM 0.00 0.0 M M M
5/12/2017 6:00 PM 0.00 0.0 M M M
5/13/2017 6:00 PM 0.00 0.0 M M M
5/14/2017 6:00 PM 0.00 0.0 M M M
5/15/2017 6:00 PM 0.00 0.0 M M M
5/16/2017 6:00 PM T M M M M
5/17/2017 6:00 PM 0.00 0.0 M M M
5/18/2017 6:00 PM 0.00 0.0 M M M
5/19/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/20/2017 6:00 PM 0.00 0.0 M M M
5/21/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/22/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/23/2017 6:00 PM 0.00 0.0 M M M
5/24/2017 6:00 PM 0.00 0.0 M M M
5/25/2017 6:00 PM 0.00 0.0 M M M
5/26/2017 6:00 PM 0.00 0.0 M M M
5/27/2017 6:00 PM 0.00 0.0 M M M
5/28/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
5/29/2017 6:00 PM 0.00 0.0 M M M
5/30/2017 6:00 PM 0.00 0.0 M M M Nice Monsoon preview around the area.
5/31/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/1/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/2/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/3/2017 6:00 PM 0.00 0.0 M M M
6/4/2017 6:00 PM 0.00 0.0 M M M
6/5/2017 6:00 PM 0.00 0.0 M M M
6/6/2017 6:00 PM 0.00 0.0 M M M
6/7/2017 6:00 PM 0.00 0.0 M M M No rain, but a couple of 27 mph gusts from the outflow boundary.
6/8/2017 6:00 PM 0.00 0.0 M M M
6/9/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/10/2017 6:00 PM 0.00 0.0 M M M
6/11/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/12/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/13/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/14/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/15/2017 6:00 PM 0.00 0.0 M M M
6/16/2017 6:00 PM 0.00 0.0 M M M
6/17/2017 6:00 PM 0.00 0.0 M M M
6/18/2017 6:00 PM 0.00 0.0 M M M
6/19/2017 6:00 PM 0.00 0.0 M M M
6/20/2017 6:00 PM 0.00 0.0 M M M
6/21/2017 6:00 PM 0.00 0.0 M M M Showers coming closer.
6/22/2017 6:00 PM 0.00 0.0 M M M
6/23/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/24/2017 6:00 PM 0.00 0.0 M M M
6/25/2017 6:00 PM 0.00 0.0 M M M
6/26/2017 6:00 PM 0.00 0.0 M M M
6/27/2017 6:00 PM 0.00 0.0 M M M
6/28/2017 6:00 PM 0.00 0.0 M M M
6/29/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/30/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/1/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/2/2017 6:00 PM 0.00 0.0 M M M
7/3/2017 6:00 PM 0.00 0.0 M M M
7/4/2017 6:00 PM 0.00 0.0 M M M
7/5/2017 6:00 PM 0.00 0.0 M M M
7/6/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/7/2017 6:00 PM 0.00 0.0 M M M
7/8/2017 6:00 PM 0.00 0.0 M M M
7/9/2017 6:00 PM T M M M M Just a sprinkle sometime between 2 pm and 6 pm. Enough to disturb dust on horizontal surfaces. Heard distant thunder between those times also.
7/10/2017 6:00 PM 0.00 0.0 M M M Just started to rain at 6 pm, and have had 23KT gusts from the southeast. Welcome Monsoon.
7/11/2017 6:00 PM 1.15 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011) and edited later. First of the all-night monsoon thunderstorm outbreaks. There were two identifiable rain periods within the start-stop time below. Began as noted right at measurement time on 7/10/17, then tapered off by 10:05 pm. Began again at 1:40 am and ended at 7:25 am. Maximum observed rainfall rate of 3.22 inch/hour was at 4:35 am.
7/12/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/13/2017 6:00 PM T M M M M The evening of 7/12/17 at approximately 8:20 pm(determined by wind gust) a line of thunderstorms passed through but only left a sprinkle (determined by disturbed dust on horizontal surfaces). Heard some thunder though.
7/14/2017 6:00 PM 0.31 M M M M Maximum observed rainfall rate at 8:10 pm was 2.58 inch/hour.
7/15/2017 6:00 PM 0.04 M M M M Just a quick blast of rain as the gust front passed. It continued to rain very lightly for several hours afterward.
7/16/2017 6:00 PM 0.50 M M M M Maximum observed rainfall rate at 10:20 pm was 4.65 inch/hour.
7/17/2017 6:00 PM T M M M M Some sprinkles on the skylight again after midnight.
7/18/2017 6:00 PM 0.03 M M M M
7/19/2017 6:00 PM T M M M M
7/20/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/21/2017 6:00 PM 0.16 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/22/2017 6:00 PM 0.08 M M M M Flash flood warning out for the area. Moderate to heavy rain moving in from the north.
7/23/2017 6:00 PM 0.32 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011) Added more after mobile upload of rainfall amount. Heavy rain occurred the evening of 7/22/17 associated with several flash flood warnings. I measured .30 inch from that storm system, with a maximum observed rainfall rate of 2.55 inch/hour at 6:40 pm. Received the other .02 inch throughout the day, which remained cloudy with distant rumbles of thunderstorms over the mountains. Not typical Arizona at all.
7/24/2017 6:00 PM 0.00 0.0 M M M
7/25/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/26/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/27/2017 6:00 PM 0.00 0.0 M M M
7/28/2017 6:00 PM 0.39 M M M M Quite a storm so says my family. I was at work in Sierra Vista. Observed a peak wind at 3:04 pm from the NNE at 16 gusting 23 mph after which there was a 23 deg F temperature drop. Maximum observed rainfall rate was 3.41 inch/hour at 3:20 pm. Small hail, unknown dimension, occurred with the heaviest rainfall. Davis Vantage Vue amount +.01 inch.
7/29/2017 6:00 PM 0.64 M M M M It rained earlier, 7/28/17 1:55 pm to 7/29/17 12:15 am for a total of .06 inch. The heavier afternoon event is listed below but the amount is the 24 hour cumulative. The afternoon event yielded .58 inch. Maximum observed rainfall rate was 4.43 inch/hour at 2:50 pm.
7/30/2017 6:00 PM 0.01 M M M M Didn't get a tip on the automated system, so I don't know when this sprinkle happened.
7/31/2017 6:00 PM 0.00 0.0 M M M
8/1/2017 6:00 PM T M M M M Received a trace of rain last night and another at the indicated times. I dumped after the first trace because it would have evaporated. Not sure if two traces would have added up to a .01. The automated system remained zero.
8/2/2017 6:00 PM T M M M M Family reports a sprinkle today. There were much bigger storms close by.
8/3/2017 6:00 PM 0.00 0.0 M M M
8/4/2017 6:00 PM 0.00 0.0 M M M
8/5/2017 6:00 PM 0.00 0.0 M M M
8/6/2017 6:00 PM 0.00 0.0 M M M
8/7/2017 6:00 PM 0.00 0.0 M M M
8/8/2017 6:00 PM 0.00 0.0 M M M
8/9/2017 6:00 PM 0.00 0.0 M M M
8/10/2017 6:00 PM 0.52 M M M M Had an earlier 0.02 inch of rain from 4:10 to 4:25 am associated with an outflow boundary. Then the big storm this afternoon. The duration times below document that. At the height of the storm at 4:10 pm I recorded a rainfall rate of 8.73 inch/hour, a south southeast wind of 15KT gusting 33KT, and a 25 degree F temperature drop. There were power outages and wind damage, blown over trees, within 5 miles of my location. Quite a storm. The Davis rain gauge reported 0.44 inch with this storm.
8/11/2017 6:00 PM T 0.0 M M M Corrected on 8/13/17, maybe a 5 minute sprinkle starting at 6:50 pm.
8/12/2017 6:00 PM 0.00 0.0 M M M
8/13/2017 6:00 PM 1.57 M M M M Maximum observed rainfall rate at 1:55 am of 4.17 inch/hour. Period of heavy rain noted below represents the time when the rainfall rate was at least 2.00 inch/hour.
8/14/2017 6:00 PM 0.00 0.0 M M M
8/15/2017 6:00 PM T M M M M
8/16/2017 6:00 PM 0.00 0.0 M M M
8/17/2017 6:00 PM 0.00 0.0 M M M
8/18/2017 6:00 PM 0.00 0.0 M M M
8/19/2017 6:00 PM 0.00 0.0 M M M
8/20/2017 6:00 PM 0.00 0.0 M M M
8/21/2017 6:00 PM 0.00 0.0 M M M
8/22/2017 6:00 PM 0.00 0.0 M M M Thunder close by but no rain.
8/23/2017 6:00 PM 0.10 M M M M Had a sprinkle last night from 9:18 pm to 9:24 pm resulting in a trace. It's still raining at measurement time, falling at a rate of .14 inch/hour. Some thunder earlier but quiet now.
8/24/2017 6:00 PM 0.06 M M M M
8/25/2017 6:00 PM 0.01 M M M M Dissipating cell off the Catalina mountains to the north. Saw a 19KT gust, heard some thunder.
8/26/2017 6:00 PM 0.00 0.0 M M M
8/27/2017 6:00 PM 0.11 M M M M
8/28/2017 6:00 PM 0.00 0.0 M M M
8/29/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
8/30/2017 6:00 PM 0.00 0.0 M M M
8/31/2017 6:00 PM 0.00 0.0 M M M
9/1/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
9/2/2017 6:00 PM 0.00 0.0 M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011) Some VIRGA noted this afternoon in visibly curved feeder bands.
9/3/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
9/4/2017 6:00 PM T M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
9/5/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
9/6/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
9/7/2017 6:00 PM 0.02 M M M M Was at work but watched the cell move over the house.
9/8/2017 6:00 PM 0.02 M M M M At work again.
9/9/2017 6:00 PM 0.04 M M M M
9/10/2017 6:00 PM 0.00 0.0 M M M
9/11/2017 6:00 PM 0.00 0.0 M M M
9/12/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
9/13/2017 6:00 PM T M M M M
9/14/2017 6:00 PM 0.00 0.0 M M M
9/15/2017 6:00 PM 0.01 M M M M
9/16/2017 6:00 PM 0.00 0.0 M M M
9/17/2017 6:00 PM 0.00 0.0 M M M
9/18/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
9/19/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
9/20/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
9/21/2017 6:00 PM 0.00 0.0 M M M
9/22/2017 6:00 PM 0.00 0.0 M M M
9/23/2017 6:00 PM T M M M M Some drizzle around 4 am, and some bigger drops at 6:50 am. Still only a trace.
9/24/2017 6:00 PM 0.00 0.0 M M M
9/25/2017 6:00 PM 0.00 0.0 M M M
9/26/2017 6:00 PM 0.00 0.0 M M M
9/27/2017 6:00 PM 0.00 0.0 M M M
9/28/2017 6:00 PM 0.00 0.0 M M M
9/29/2017 6:00 PM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
9/30/2017 6:00 PM 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