Station Overview Station Location
Station Number AZ-PM-137 Latitude 32.474517
Station Name Oro Valley 5.8 N Longitude -110.957964
County Pima Elevation (ft) 3000



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 1.15 1.99 31 1.99 31 0.00 0 0 5 0 0.0 0 0
Nov 10 0.77 0.00 22 0.00 22 0.00 0 0 0 1 0.0 0 0
Dec 10 1.18 2.02 31 2.02 31 0.00 0 0 7 0 0.0 0 0
Jan 11 1.20 0.00 31 0.00 31 0.00 0 0 0 0 0.0 0 0
Feb 11 1.08 0.52 28 0.52 28 0.00 0 0 4 0 0.8 1 1
March 11 1.05 0.10 31 0.10 31 0.00 0 0 1 0 0.0 0 0
April 11 0.37 0.75 30 0.75 30 0.00 0 0 1 0 0.0 0 0
May 11 0.23 0.07 31 0.07 31 0.00 0 0 1 0 0.0 0 0
June 11 0.31 0.00 30 0.00 30 0.00 0 0 0 0 0.0 0 0
July 11 2.08 2.83 31 2.83 31 0.00 0 0 12 0 0.0 0 0
Aug 11 2.82 2.37 30 2.37 30 0.00 0 0 11 0 0.0 0 0
Sept 11 1.39 2.00 30 2.00 30 0.00 0 0 10 1 0.0 0 0
Water Year Totals: 13.63" 12.65" 356 days 12.65" 356 0.00" 0 days 0 52 days 2 days 0.8" 1 days 1 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 0.00
10/2/2010 0.55
10/3/2010 0.00
10/4/2010 0.00
10/5/2010 0.19
10/6/2010 1.11
10/7/2010 0.00
10/8/2010 0.00
10/9/2010 0.00
10/10/2010 0.00
10/11/2010 0.00
10/12/2010 0.00
10/13/2010 0.00
10/14/2010 0.00
10/15/2010 0.00
10/16/2010 0.00
10/17/2010 0.00
10/18/2010 0.00
10/19/2010 0.00
10/20/2010 0.00
10/21/2010 0.05
10/22/2010 0.09
10/23/2010 0.00
10/24/2010 0.00
10/25/2010 0.00
10/26/2010 0.00
10/27/2010 0.00
10/28/2010 0.00
10/29/2010 0.00
10/30/2010 0.00
10/31/2010 0.00
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 0.00
11/10/2010 0.00
11/11/2010 0.00
11/12/2010 0.00
11/13/2010 0.00
11/14/2010 0.00
11/15/2010 0.00
11/16/2010 0.00
11/17/2010 0.00
11/18/2010 0.00
11/19/2010 0.00
11/20/2010 0.00
11/21/2010 0.00
11/22/2010 0.00
11/23/2010 0.00
11/24/2010 0.00
11/25/2010 0.00
11/26/2010 0.00
11/27/2010 0.00
11/28/2010 0.00
11/29/2010 T
11/30/2010 0.00
12/1/2010 0.00
12/2/2010 0.00
12/3/2010 0.00
12/4/2010 0.00
12/5/2010 0.00
12/6/2010 0.00
12/7/2010 0.00
12/8/2010 0.00
12/9/2010 0.00
12/10/2010 0.00
12/11/2010 0.00
12/12/2010 0.00
12/13/2010 0.00
12/14/2010 0.00
12/15/2010 0.00
12/16/2010 0.00
12/17/2010 0.43
12/18/2010 0.01
12/19/2010 0.00
12/20/2010 0.00
12/21/2010 0.00
12/22/2010 0.00
12/23/2010 0.56
12/24/2010 0.01
12/25/2010 0.00
12/26/2010 0.00
12/27/2010 0.00
12/28/2010 0.01
12/29/2010 0.00
12/30/2010 0.81
12/31/2010 0.19
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.00
1/2/2011 0.00
1/3/2011 0.00
1/4/2011 0.00
1/5/2011 0.00
1/6/2011 0.00
1/7/2011 0.00
1/8/2011 0.00
1/9/2011 0.00
1/10/2011 0.00
1/11/2011 0.00
1/12/2011 0.00
1/13/2011 0.00
1/14/2011 0.00
1/15/2011 0.00
1/16/2011 0.00
1/17/2011 0.00
1/18/2011 0.00
1/19/2011 0.00
1/20/2011 0.00
1/21/2011 0.00
1/22/2011 0.00
1/23/2011 0.00
1/24/2011 0.00
1/25/2011 0.00
1/26/2011 0.00
1/27/2011 0.00
1/28/2011 0.00
1/29/2011 0.00
1/30/2011 0.00
1/31/2011 0.00
2/1/2011 0.01
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 0.00
2/15/2011 0.00
2/16/2011 0.00
2/17/2011 0.00
2/18/2011 0.00
2/19/2011 0.00
2/20/2011 0.00
2/21/2011 0.02
2/22/2011 0.00
2/23/2011 0.00
2/24/2011 0.00
2/25/2011 0.00
2/26/2011 0.00
2/27/2011 0.47
2/28/2011 0.02
3/1/2011 0.00
3/2/2011 0.00
3/3/2011 0.00
3/4/2011 0.00
3/5/2011 0.00
3/6/2011 0.00
3/7/2011 0.00
3/8/2011 0.00
3/9/2011 0.00
3/10/2011 0.00
3/11/2011 0.00
3/12/2011 0.00
3/13/2011 0.00
3/14/2011 0.00
3/15/2011 0.00
3/16/2011 0.00
3/17/2011 0.00
3/18/2011 0.00
3/19/2011 0.00
3/20/2011 0.00
3/21/2011 0.00
3/22/2011 0.10
3/23/2011 0.00
3/24/2011 0.00
3/25/2011 0.00
3/26/2011 0.00
3/27/2011 0.00
3/28/2011 0.00
3/29/2011 0.00
3/30/2011 0.00
3/31/2011 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.00
4/2/2011 0.00
4/3/2011 0.00
4/4/2011 0.00
4/5/2011 0.00
4/6/2011 0.00
4/7/2011 0.00
4/8/2011 0.00
4/9/2011 0.00
4/10/2011 0.75
4/11/2011 0.00
4/12/2011 0.00
4/13/2011 0.00
4/14/2011 0.00
4/15/2011 0.00
4/16/2011 0.00
4/17/2011 0.00
4/18/2011 0.00
4/19/2011 0.00
4/20/2011 0.00
4/21/2011 0.00
4/22/2011 0.00
4/23/2011 0.00
4/24/2011 0.00
4/25/2011 0.00
4/26/2011 0.00
4/27/2011 0.00
4/28/2011 0.00
4/29/2011 0.00
4/30/2011 0.00
5/1/2011 0.00
5/2/2011 0.00
5/3/2011 0.00
5/4/2011 0.00
5/5/2011 0.00
5/6/2011 0.00
5/7/2011 0.00
5/8/2011 0.00
5/9/2011 0.00
5/10/2011 0.00
5/11/2011 0.00
5/12/2011 0.00
5/13/2011 0.00
5/14/2011 0.00
5/15/2011 0.00
5/16/2011 0.00
5/17/2011 0.00
5/18/2011 0.00
5/19/2011 0.07
5/20/2011 0.00
5/21/2011 0.00
5/22/2011 0.00
5/23/2011 0.00
5/24/2011 0.00
5/25/2011 0.00
5/26/2011 0.00
5/27/2011 0.00
5/28/2011 0.00
5/29/2011 0.00
5/30/2011 0.00
5/31/2011 0.00
6/1/2011 0.00
6/2/2011 0.00
6/3/2011 0.00
6/4/2011 0.00
6/5/2011 0.00
6/6/2011 0.00
6/7/2011 0.00
6/8/2011 0.00
6/9/2011 0.00
6/10/2011 0.00
6/11/2011 0.00
6/12/2011 0.00
6/13/2011 0.00
6/14/2011 0.00
6/15/2011 0.00
6/16/2011 0.00
6/17/2011 0.00
6/18/2011 0.00
6/19/2011 0.00
6/20/2011 0.00
6/21/2011 0.00
6/22/2011 0.00
6/23/2011 0.00
6/24/2011 0.00
6/25/2011 0.00
6/26/2011 0.00
6/27/2011 0.00
6/28/2011 0.00
6/29/2011 0.00
6/30/2011 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.00
7/2/2011 0.00
7/3/2011 0.00
7/4/2011 0.00
7/5/2011 0.31
7/6/2011 0.12
7/7/2011 0.01
7/8/2011 0.54
7/9/2011 0.00
7/10/2011 1.06
7/11/2011 0.01
7/12/2011 0.00
7/13/2011 0.00
7/14/2011 0.00
7/15/2011 0.00
7/16/2011 0.00
7/17/2011 0.00
7/18/2011 0.11
7/19/2011 0.14
7/20/2011 0.02
7/21/2011 0.00
7/22/2011 0.00
7/23/2011 0.00
7/24/2011 0.02
7/25/2011 0.08
7/26/2011 0.00
7/27/2011 0.00
7/28/2011 0.00
7/29/2011 0.00
7/30/2011 0.00
7/31/2011 0.41
8/1/2011 0.08
8/2/2011 0.00
8/3/2011 0.11
8/4/2011 0.25
8/5/2011 0.00
8/6/2011 0.00
8/7/2011 0.00
8/8/2011 0.67
8/9/2011 0.00
8/10/2011 0.00
8/11/2011 0.26
8/12/2011
8/13/2011 0.08
8/14/2011 0.00
8/15/2011 0.00
8/16/2011 0.00
8/17/2011 0.03
8/18/2011 0.00
8/19/2011 0.40
8/20/2011 0.00
8/21/2011 0.00
8/22/2011 0.00
8/23/2011 0.38
8/24/2011 0.00
8/25/2011 0.02
8/26/2011 0.00
8/27/2011 0.00
8/28/2011 0.09
8/29/2011 0.00
8/30/2011 0.00
8/31/2011 0.00
9/1/2011 0.09
9/2/2011 0.50
9/3/2011 0.00
9/4/2011 0.00
9/5/2011 0.14
9/6/2011 T
9/7/2011 0.44
9/8/2011 0.00
9/9/2011 0.00
9/10/2011 0.03
9/11/2011 0.17
9/12/2011 0.00
9/13/2011 0.14
9/14/2011 0.46
9/15/2011 0.02
9/16/2011 0.00
9/17/2011 0.00
9/18/2011 0.00
9/19/2011 0.00
9/20/2011 0.00
9/21/2011 0.00
9/22/2011 0.00
9/23/2011 0.00
9/24/2011 0.00
9/25/2011 0.00
9/26/2011 0.00
9/27/2011 0.00
9/28/2011 0.01
9/29/2011 0.00
9/30/2011 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 7:00 AM 0.00 0.0 M M M Monthly rainfall totals: Sep 0.29 Aug 1.49 Jul 3.41 Jun 0.0 5.19 for Summer
10/2/2010 7:00 AM 0.55 M M M M 02 Oct: a line of thunderstorms moving from S to N
10/3/2010 7:00 AM 0.00 0.0 M M M
10/4/2010 7:00 AM 0.00 0.0 M M M
10/5/2010 7:00 AM 0.19 M M M M Rainfall for 04 Oct= 0.00
10/6/2010 7:00 AM 1.11 M M M M 05 OCT:0230-0530=0.19 Off & on TRW from 1545-55; 1700-1800 TRW overhead; TRW 1945-2100= 1.11 Total for calendar day:1.30
10/7/2010 7:00 AM 0.00 0.0 M M M
10/8/2010 7:00 AM 0.00 0.0 M M M
10/9/2010 7:00 AM 0.00 0.0 M M M
10/10/2010 7:00 AM 0.00 0.0 M M M
10/11/2010 7:00 AM 0.00 0.0 M M M
10/12/2010 7:00 AM 0.00 0.0 M M M
10/13/2010 7:00 AM 0.00 0.0 M M M
10/14/2010 7:00 AM 0.00 0.0 M M M
10/15/2010 7:00 AM 0.00 0.0 M M M
10/16/2010 7:00 AM 0.00 0.0 M M M
10/17/2010 7:00 AM 0.00 0.0 M M M
10/18/2010 7:00 AM 0.00 0.0 M M M
10/19/2010 7:00 AM 0.00 0.0 M M M
10/20/2010 7:00 AM 0.00 0.0 M M M
10/21/2010 7:00 AM 0.05 M M M M
10/22/2010 7:00 AM 0.09 M M M M 21 Oct: Intermittent light rain 0800-1030.
10/23/2010 7:00 AM 0.00 0.0 M M M
10/24/2010 7:00 AM 0.00 0.0 M M M
10/25/2010 7:00 AM 0.00 0.0 M M M
10/26/2010 7:00 AM 0.00 0.0 M M M
10/27/2010 7:00 AM 0.00 0.0 M M M
10/28/2010 7:00 AM 0.00 0.0 M M M
10/29/2010 7:00 AM 0.00 0.0 M M M
10/30/2010 7:00 AM 0.00 0.0 M M M
10/31/2010 7:00 AM 0.00 0.0 M M M
11/9/2010 7:00 AM 0.00 0.0 M M M
11/10/2010 7:00 AM 0.00 0.0 M M M
11/11/2010 7:00 AM 0.00 0.0 M M M
11/12/2010 7:00 AM 0.00 0.0 M M M
11/13/2010 7:00 AM 0.00 0.0 M M M
11/14/2010 7:00 AM 0.00 0.0 M M M
11/15/2010 7:00 AM 0.00 0.0 M M M
11/16/2010 7:00 AM 0.00 0.0 M M M
11/17/2010 7:00 AM 0.00 0.0 M M M
11/18/2010 7:00 AM 0.00 0.0 M M M
11/19/2010 7:00 AM 0.00 0.0 M M M
11/20/2010 7:00 AM 0.00 0.0 M M M
11/21/2010 7:00 AM 0.00 0.0 M M M
11/22/2010 7:00 AM 0.00 0.0 M M M
11/23/2010 7:00 AM 0.00 0.0 M M M
11/24/2010 7:00 AM 0.00 0.0 M M M
11/25/2010 7:00 AM 0.00 0.0 M M M
11/26/2010 7:00 AM 0.00 0.0 M M M
11/27/2010 7:00 AM 0.00 0.0 M M M
11/28/2010 7:00 AM 0.00 0.0 M M M
11/29/2010 7:00 AM T M M M M 28 Nov: Rain showers at 1300 and 1500; about 5 min dureation each. NO accumulation in rain guage. Snow observed on Mt Lemmon and higher peaks of Catalina Mts to East late in afternoon when cloud cover broke.
11/30/2010 7:00 AM 0.00 0.0 M M M
12/1/2010 7:00 AM 0.00 0.0 M M M
12/2/2010 7:00 AM 0.00 0.0 M M M
12/3/2010 7:00 AM 0.00 0.0 M M M
12/4/2010 7:00 AM 0.00 0.0 M M M
12/5/2010 7:00 AM 0.00 0.0 M M M
12/6/2010 7:00 AM 0.00 0.0 M M M
12/7/2010 7:00 AM 0.00 0.0 M M M
12/8/2010 7:00 AM 0.00 0.0 M M M
12/9/2010 7:00 AM 0.00 0.0 M M M
12/10/2010 7:00 AM 0.00 0.0 M M M
12/11/2010 7:00 AM 0.00 0.0 M M M
12/12/2010 7:00 AM 0.00 0.0 M M M
12/13/2010 7:00 AM 0.00 0.0 M M M
12/14/2010 7:00 AM 0.00 0.0 M M M
12/15/2010 7:00 AM 0.00 0.0 M M M
12/16/2010 7:00 AM 0.00 0.0 M M M
12/17/2010 7:00 AM 0.43 M M M M 16 Dec: Light rain for approx 2 hrs, then intermittent light to very light rain, occasionally drizzle. FOG at 0700 17 Dec!
12/18/2010 7:00 AM 0.01 M M M M 17 Dec: 0.01 in rain guage accumulated from fog Midnight to 0700.
12/19/2010 7:00 AM 0.00 0.0 M M M 19 Dec COPIOUS DEW on ground and horizontal surfaces this AM! Rain guage dry with dew on collector.
12/20/2010 7:00 AM 0.00 0.0 M M M
12/21/2010 7:00 AM 0.00 0.0 M M M
12/22/2010 7:00 AM 0.00 0.0 M M M
12/23/2010 7:00 AM 0.56 M M M M 22 DEC: 0.01 in rainguage at 1430 when I returned home; left at 0730. 23 DEC: 0.55
12/24/2010 7:00 AM 0.01 M M M M Overnight accumulation of DEW in rain guage. No rain.
12/25/2010 7:00 AM 0.00 0.0 M M M
12/26/2010 7:00 AM 0.00 0.0 M M M
12/27/2010 7:00 AM 0.00 0.0 M M M
12/28/2010 7:00 AM 0.01 M M M M Overnight accumulation of DEW. NO RAIN.
12/29/2010 7:00 AM 0.00 0.0 M M M
12/30/2010 7:00 AM 0.81 M M M M 29 DEC: Rain began 1450, intermittent, mostly light, ended 2300; 0.64 total. 30 DEC: Rain began 0300 and continues; 0.17 total FROPA between 0600 & 0700.
12/31/2010 7:00 AM 0.19 M M M M 30 DEC: 0.19 after 0700. Total for calandar day: 0.36. Mixed rain and snow with occasional sleet fell 0630-1330. No snow accumulation.
1/1/2011 7:00 AM 0.00 0.0 M M M DEC 2010: 2.02 JUL thru DEC 6 MOS Total: 9.20 2010 Total: 17.39
1/2/2011 7:00 AM 0.00 0.0 M M M
1/3/2011 7:00 AM 0.00 0.0 M M M
1/4/2011 7:00 AM 0.00 0.0 M M M
1/5/2011 7:00 AM 0.00 0.0 M M M
1/6/2011 7:00 AM 0.00 0.0 M M M
1/7/2011 7:00 AM 0.00 0.0 M M M
1/8/2011 7:00 AM 0.00 0.0 M M M
1/9/2011 7:00 AM 0.00 0.0 M M M
1/10/2011 7:00 AM 0.00 0.0 M M M
1/11/2011 7:00 AM 0.00 0.0 M M M
1/12/2011 7:00 AM 0.00 0.0 M M M
1/13/2011 7:00 AM 0.00 0.0 M M M
1/14/2011 7:00 AM 0.00 0.0 M M M
1/15/2011 7:00 AM 0.00 0.0 M M M
1/16/2011 7:00 AM 0.00 0.0 M M M
1/17/2011 7:00 AM 0.00 0.0 M M M
1/18/2011 7:00 AM 0.00 0.0 M M M
1/19/2011 7:00 AM 0.00 0.0 M M M
1/20/2011 7:00 AM 0.00 0.0 M M M
1/21/2011 7:00 AM 0.00 0.0 M M M
1/22/2011 7:00 AM 0.00 0.0 M M M
1/23/2011 7:00 AM 0.00 0.0 M M M
1/24/2011 7:00 AM 0.00 0.0 M M M
1/25/2011 7:00 AM 0.00 0.0 M M M
1/26/2011 7:00 AM 0.00 0.0 M M M
1/27/2011 7:00 AM 0.00 0.0 M M M
1/28/2011 7:00 AM 0.00 0.0 M M M
1/29/2011 7:00 AM 0.00 0.0 M M M
1/30/2011 7:00 AM 0.00 0.0 M M M
1/31/2011 7:00 AM 0.00 0.0 M M M
2/1/2011 7:00 AM 0.01 M M M M 31 JAN 2011: Intermittent very light rain fell PM.
2/2/2011 7:00 AM 0.00 0.0 M M M
2/3/2011 7:00 AM 0.00 0.0 M M M
2/4/2011 7:00 AM 0.00 0.0 M M M
2/5/2011 7:00 AM 0.00 0.0 M M M
2/6/2011 7:00 AM 0.00 0.0 M M M
2/7/2011 7:00 AM 0.00 0.0 M M M
2/8/2011 7:00 AM 0.00 0.0 M M M
2/9/2011 7:00 AM 0.00 0.0 M M M
2/10/2011 7:00 AM 0.00 0.0 M M M
2/11/2011 7:00 AM 0.00 0.0 M M M
2/12/2011 7:00 AM 0.00 0.0 M M M
2/13/2011 7:00 AM 0.00 0.0 M M M
2/14/2011 7:00 AM 0.00 0.0 M M M
2/15/2011 7:00 AM 0.00 0.0 M M M
2/16/2011 7:00 AM 0.00 0.0 M M M
2/17/2011 7:00 AM 0.00 0.0 M M M
2/18/2011 7:00 AM 0.00 0.0 M M M
2/19/2011 7:00 AM 0.00 0.0 M M M
2/20/2011 7:00 AM 0.00 0.0 M M M
2/21/2011 7:00 AM 0.02 M M M M 20 FEB: Light intermittent RW 1600-2000.
2/22/2011 7:00 AM 0.00 0.0 M M M
2/23/2011 7:00 AM 0.00 0.0 M M M
2/24/2011 7:00 AM 0.00 0.0 M M M
2/25/2011 7:00 AM 0.00 0.0 M M M
2/26/2011 7:00 AM 0.00 0.0 M M M
2/27/2011 7:00 AM 0.47 0.8 0.17 0.8 0.17 Rain began 0320; snow began 0500(?) ended 0615. Measured snow depth=3/4"
2/28/2011 7:00 AM 0.02 M M M M 27 Feb: in addition to the .47 reported yesterday; .02 accumulation in rain guage from two showers AM, one with sleet, rain & hail, bb size.
3/1/2011 7:00 AM 0.00 0.0 M M M
3/2/2011 7:00 AM 0.00 0.0 M M M
3/3/2011 7:00 AM 0.00 0.0 M M M
3/4/2011 7:00 AM 0.00 0.0 M M M
3/5/2011 7:00 AM 0.00 0.0 M M M
3/6/2011 7:00 AM 0.00 0.0 M M M
3/7/2011 7:00 AM 0.00 0.0 M M M
3/8/2011 7:00 AM 0.00 0.0 M M M
3/9/2011 7:00 AM 0.00 0.0 M M M
3/10/2011 7:00 AM 0.00 0.0 M M M
3/11/2011 7:00 AM 0.00 0.0 M M M
3/12/2011 7:00 AM 0.00 0.0 M M M
3/13/2011 7:00 AM 0.00 0.0 M M M
3/14/2011 7:00 AM 0.00 0.0 M M M
3/15/2011 7:00 AM 0.00 0.0 M M M
3/16/2011 7:00 AM 0.00 0.0 M M M
3/17/2011 7:00 AM 0.00 0.0 M M M
3/18/2011 7:00 AM 0.00 0.0 M M M
3/19/2011 7:00 AM 0.00 0.0 M M M
3/20/2011 7:00 AM 0.00 0.0 M M M
3/21/2011 7:00 AM 0.00 0.0 M M M
3/22/2011 7:00 AM 0.10 M M M M R-1800 1815; R-- intermittent to 1930. R-- intermittent 2030-2100; = .09. Unk rain after midnight = .01
3/23/2011 7:00 AM 0.00 0.0 M M M
3/24/2011 7:00 AM 0.00 0.0 M M M
3/25/2011 7:00 AM 0.00 0.0 M M M
3/26/2011 7:00 AM 0.00 0.0 M M M
3/27/2011 7:00 AM 0.00 0.0 M M M
3/28/2011 7:00 AM 0.00 0.0 M M M
3/29/2011 7:00 AM 0.00 0.0 M M M
3/30/2011 7:00 AM 0.00 0.0 M M M
3/31/2011 7:00 AM 0.00 0.0 M M M
4/1/2011 7:00 AM 0.00 0.0 M M M
4/2/2011 7:00 AM 0.00 0.0 M M M
4/3/2011 7:00 AM 0.00 0.0 M M M
4/4/2011 7:00 AM 0.00 0.0 M M M
4/5/2011 7:00 AM 0.00 0.0 M M M
4/6/2011 7:00 AM 0.00 0.0 M M M
4/7/2011 7:00 AM 0.00 0.0 M M M VIRGA all quads from mid morning until sunset. A few drops occasionally hit the ground, but not enough for a Trace.
4/8/2011 7:00 AM 0.00 0.0 M M M
4/9/2011 7:00 AM 0.00 0.0 M M M
4/10/2011 7:00 AM 0.75 M M M M 09 Apr: 0740 Intermittent light rain to 0915; occasionally moderate rain until 1300; intermittent light rain to 2045. FROPA 1830 +.01 DEW overnight.
4/11/2011 7:00 AM 0.00 0.0 M M M
4/12/2011 7:00 AM 0.00 0.0 M M M
4/13/2011 7:00 AM 0.00 0.0 M M M
4/14/2011 7:00 AM 0.00 0.0 M M M
4/15/2011 7:00 AM 0.00 0.0 M M M
4/16/2011 7:00 AM 0.00 0.0 M M M
4/17/2011 7:00 AM 0.00 0.0 M M M
4/18/2011 7:00 AM 0.00 0.0 M M M
4/19/2011 7:00 AM 0.00 0.0 M M M
4/20/2011 7:00 AM 0.00 0.0 M M M
4/21/2011 7:00 AM 0.00 0.0 M M M
4/22/2011 7:00 AM 0.00 0.0 M M M
4/23/2011 7:00 AM 0.00 0.0 M M M
4/24/2011 7:00 AM 0.00 0.0 M M M
4/25/2011 7:00 AM 0.00 0.0 M M M
4/26/2011 7:00 AM 0.00 0.0 M M M
4/27/2011 7:00 AM 0.00 0.0 M M M
4/28/2011 7:00 AM 0.00 0.0 M M M
4/29/2011 7:00 AM 0.00 0.0 M M M
4/30/2011 7:00 AM 0.00 0.0 M M M
5/1/2011 7:00 AM 0.00 0.0 M M M Precipitation total for April 2011= 0.76
5/2/2011 7:00 AM 0.00 0.0 M M M
5/3/2011 7:00 AM 0.00 0.0 M M M
5/4/2011 7:00 AM 0.00 0.0 M M M
5/5/2011 7:00 AM 0.00 0.0 M M M
5/6/2011 7:00 AM 0.00 0.0 M M M
5/7/2011 7:00 AM 0.00 0.0 M M M
5/8/2011 7:00 AM 0.00 0.0 M M M
5/9/2011 7:00 AM 0.00 0.0 M M M
5/10/2011 7:00 AM 0.00 0.0 M M M
5/11/2011 7:00 AM 0.00 0.0 M M M
5/12/2011 7:00 AM 0.00 0.0 M M M
5/13/2011 7:00 AM 0.00 0.0 M M M
5/14/2011 7:00 AM 0.00 0.0 M M M
5/15/2011 7:00 AM 0.00 0.0 M M M
5/16/2011 7:00 AM 0.00 0.0 M M M
5/17/2011 7:00 AM 0.00 0.0 M M M
5/18/2011 7:00 AM 0.00 0.0 M M M
5/19/2011 7:00 AM 0.07 M M M M 1ST MEASURABLE RAIN SINCE 09 APRIL.
5/20/2011 7:00 AM 0.00 0.0 M M M
5/21/2011 7:00 AM 0.00 0.0 M M M
5/22/2011 7:00 AM 0.00 0.0 M M M
5/23/2011 7:00 AM 0.00 0.0 M M M
5/24/2011 7:00 AM 0.00 0.0 M M M
5/25/2011 7:00 AM 0.00 0.0 M M M
5/26/2011 7:00 AM 0.00 0.0 M M M
5/27/2011 7:00 AM 0.00 0.0 M M M
5/28/2011 7:00 AM 0.00 0.0 M M M
5/29/2011 7:00 AM 0.00 0.0 M M M
5/30/2011 7:00 AM 0.00 0.0 M M M
5/31/2011 7:00 AM 0.00 0.0 M M M Monthly rainfall total 0.07 all on 19 May.
6/1/2011 7:00 AM 0.00 0.0 M M M
6/2/2011 7:00 AM 0.00 0.0 M M M
6/3/2011 7:00 AM 0.00 0.0 M M M
6/4/2011 7:00 AM 0.00 0.0 M M M
6/5/2011 7:00 AM 0.00 0.0 M M M
6/6/2011 7:00 AM 0.00 0.0 M M M
6/7/2011 7:00 AM 0.00 0.0 M M M
6/8/2011 7:00 AM 0.00 0.0 M M M
6/9/2011 7:00 AM 0.00 0.0 M M M
6/10/2011 7:00 AM 0.00 0.0 M M M
6/11/2011 7:00 AM 0.00 0.0 M M M
6/12/2011 7:00 AM 0.00 0.0 M M M
6/13/2011 7:00 AM 0.00 0.0 M M M
6/14/2011 7:00 AM 0.00 0.0 M M M
6/15/2011 7:00 AM 0.00 0.0 M M M
6/16/2011 7:00 AM 0.00 0.0 M M M
6/17/2011 7:00 AM 0.00 0.0 M M M
6/18/2011 7:00 AM 0.00 0.0 M M M
6/19/2011 7:00 AM 0.00 0.0 M M M
6/20/2011 7:00 AM 0.00 0.0 M M M
6/21/2011 7:00 AM 0.00 0.0 M M M
6/22/2011 7:00 AM 0.00 0.0 M M M
6/23/2011 7:00 AM 0.00 0.0 M M M
6/24/2011 7:00 AM 0.00 0.0 M M M
6/25/2011 7:00 AM 0.00 0.0 M M M
6/26/2011 7:00 AM 0.00 0.0 M M M
6/27/2011 7:00 AM 0.00 0.0 M M M
6/28/2011 7:00 AM 0.00 0.0 M M M
6/29/2011 7:00 AM 0.00 0.0 M M M
6/30/2011 7:00 AM 0.00 0.0 M M M Last day with rain was 19 May (0.07). Jan thru June rainfall total: 1.45. Lightning observed ENE through NNE all night long.
7/1/2011 7:00 AM 0.00 0.0 M M M
7/2/2011 7:00 AM 0.00 0.0 M M M
7/3/2011 7:00 AM 0.00 0.0 M M M
7/4/2011 7:00 AM 0.00 0.0 M M M TRW-- 1607 TO 1617, observed large droplets & gusty winds during this period; @ edge of TRW. Virga NW 1630-1830. No rain in guage.
7/5/2011 7:00 AM 0.31 M M M M TRW- 1407-1417 = 0.01; TRW 1726-1745 = 0.27; TRW- 2030-2045 = 0.03. Lightning NW thru NNE all afternoon and through evening until after midnight.
7/6/2011 7:00 AM 0.12 M M M M All rain 05 Jul: Intermittent TRW-; ocnl TRW. One cell passed N; bulk of TRW passed to S; we missed most of the TSTM activity over Tucson to S.
7/7/2011 7:00 AM 0.01 M M M M ALL RAIN 06 JUL: RW-- 1825-27 = T--; plus recorded below was R oncl R-/R-- Year to date (>01 Jan) rainfall = 1.90"
7/8/2011 7:00 AM 0.54 M M M M All on 07 July: TRW 1814-1840; RW- intmt RW-- 1841-2005. Total 04-07 July = 0.98 Most rainfall in one day since 0.75 on 09 April 2011.
7/9/2011 7:00 AM 0.00 0.0 M M M
7/10/2011 7:00 AM 1.06 M M M M 09 Jul: TRW- 1704-1709; TRW 1710-1724; TRW- intermittently TRW-- 1725-1845. 1.05" fell 1704-1804; spotter report called in to Tucson office NWS.
7/11/2011 7:00 AM 0.01 M M M M Unk time 0001-0600 11 July = 0.01
7/12/2011 7:00 AM 0.00 0.0 M M M
7/13/2011 7:00 AM 0.00 0.0 M M M
7/14/2011 7:00 AM 0.00 0.0 M M M
7/15/2011 7:00 AM 0.00 0.0 M M M
7/16/2011 7:00 AM 0.00 0.0 M M M
7/17/2011 7:00 AM 0.00 0.0 M M M
7/18/2011 7:00 AM 0.11 M M M M All on 17 Jul: TRW 1430-45=0.01; TRW 1633-1725=0.04; TRW 2045-2230=0.06; heaviest TRW/rain passed NE & SW of station. Jul total rainfall = 2.16 to date.
7/19/2011 7:00 AM 0.14 M M M M All rain 18 Jul: TRW 1446-1535 = 0.13; TRW- ocnl -- 1645-1745 = 0.01
7/20/2011 7:00 AM 0.02 M M M M All rain 19 Jul: TRW- = 0.02 July rainfall to date = 2.32
7/21/2011 7:00 AM 0.00 0.0 M M M TRW past SW, E & NE of station all afternoon and evening: missed us = 0.0
7/22/2011 7:00 AM 0.00 0.0 M M M
7/23/2011 7:00 AM 0.00 0.0 M M M
7/24/2011 7:00 AM 0.02 M M M M All rain 23 Jul: TRW--; briefly TRW- July rain total to date: 2.34
7/25/2011 7:00 AM 0.08 M M M M All rain 24 Jul: TRW-/ocnly RW--. Jul rainfall to date 2.42"
7/26/2011 7:00 AM 0.00 0.0 M M M CORRECTION: Correct July rainfall to date: 2.44"
7/27/2011 7:00 AM 0.00 0.0 M M M
7/28/2011 7:00 AM 0.00 0.0 M M M
7/29/2011 7:00 AM 0.00 0.0 M M M
7/30/2011 7:00 AM 0.00 0.0 M M M
7/31/2011 7:00 AM 0.41 M M M M all rain on 30 Jul: TRW 1530-1550=0.19; TRW- 1724-1740=0.04; TRW 2100-2230=0.18
8/1/2011 7:00 AM 0.08 M M M M All rain 31 Jul: TRW- 1559-1715 = 0.08 JUL Monthly total: 2.90
8/2/2011 7:00 AM 0.00 0.0 M M M
8/3/2011 7:00 AM 0.11 M M M M TRW 2300 02 Aug-0045 03 Aug = 0.11.
8/4/2011 7:00 AM 0.25 M M M M 03 Aug: TRW- 0535-0600 = 0.03; RW- 0900-0920 = 0.01 04 Aug: TRW 0200-0400 = 0.25
8/5/2011 7:00 AM 0.00 0.0 M M M
8/6/2011 7:00 AM 0.00 0.0 M M M
8/7/2011 7:00 AM 0.00 0.0 M M M
8/8/2011 7:00 AM 0.67 M M M M All rain 07 Aug: TRW 1440-1530; RW-- 1530-1630 = 0.67" Aug rain to date 1.04" Jul + Aug rain total to date = 3.94"
8/9/2011 7:00 AM 0.00 0.0 M M M
8/10/2011 7:00 AM 0.00 0.0 M M M
8/11/2011 7:00 AM 0.26 M M M M All rain 10 Aug: TRW 1300-1530 = 0.26" Heaviest rain passed to SW of station.
8/13/2011 7:00 AM 0.08 M M M M All rain 12 Aug: 0430-0530 = 0.01"; 0805-1045 =0.07 Aug to date = 1.38"
8/14/2011 7:00 AM 0.00 0.0 M M M
8/15/2011 7:00 AM 0.00 0.0 M M M
8/16/2011 7:00 AM 0.00 0.0 M M M
8/17/2011 7:00 AM 0.03 M M M M All rain 16 Aug: = 0.03 various unrecorded times during the afternoon. Aug rain total to date: 1.41" Jul+Aug to date: 4.31
8/18/2011 7:00 AM 0.00 0.0 M M M
8/19/2011 7:00 AM 0.40 M M M M All rain 18 Aug: TRW-- 1625-1630 = T; TRW 1730-2200 = 0.40" Aug rain to date: 1.81" Jul + Aug to date = 4.71"
8/20/2011 7:00 AM 0.00 0.0 M M M
8/21/2011 7:00 AM 0.00 0.0 M M M
8/22/2011 7:00 AM 0.00 0.0 M M M
8/23/2011 7:00 AM 0.38 M M M M All rain 22 Aug:TRW-- 1524-35 = T; TRW 1600-1630 = 0.38. Aug rain to date: = 2.19 Jul-Aug total to date: = 5.09
8/24/2011 7:00 AM 0.00 0.0 M M M
8/25/2011 7:00 AM 0.02 M M M M All rain on 24 Aug: TRW- 1840-1900 = 0.02 Aug rain to date: 2.21 Jul + Aug to date: 5.11
8/26/2011 7:00 AM 0.00 0.0 M M M
8/27/2011 7:00 AM 0.00 0.0 M M M
8/28/2011 7:00 AM 0.09 M M M M All rain 27 Aug: TRW 1438-1450 = 0.09 Aug rain to date: 2.30 Jul + Aug rain to date: 5.20
8/29/2011 7:00 AM 0.00 0.0 M M M
8/30/2011 7:00 AM 0.00 0.0 M M M
8/31/2011 7:00 AM 0.00 0.0 M M M
9/1/2011 7:00 AM 0.09 M M M M All rain 31 Aug: TRW as below = 0.09 REVISED Rainfall total for Aug 2011 = 2.01" REVISED JUL + AUG = 4.91
9/2/2011 7:00 AM 0.50 M M M M TRW 2215-2250 = 0.50 01 Jul thru 01 Sep rainfall total to date 5.41"
9/3/2011 7:00 AM 0.00 0.0 M M M
9/4/2011 7:00 AM 0.00 0.0 M M M
9/5/2011 7:00 AM 0.14 M M M M All rain on 04 Aug: TRW 1605-1700 = 0.14 Sep rainfall to date: 0.64 Jul/Aug/Sep rainfall to date: 5.55
9/6/2011 7:00 AM T M M M M All rain 05 Sep: RW-- 1238-1245 = T--
9/7/2011 7:00 AM 0.44 M M M M All rain 6 Sept: TRW 1650-1658 = 0.05 TRW 1835-2000 = 0.39 Summer rain to date= 5099"
9/8/2011 7:00 AM 0.00 0.0 M M M
9/9/2011 7:00 AM 0.00 0.0 M M M
9/10/2011 7:00 AM 0.03 M M M M All rain 09 Sep: TRW 1645-1700 = 0.01; TRW 2030-2130 = 0.02 Sep rain total: 1.11 Jul + Aug + Sep = 6.02" to date
9/11/2011 7:00 AM 0.17 M M M M All rain 10 Sep: TRW 1626-2045 = 0.17" Sept rain total to date:1.28 Jul + Aug + Sep to date rainfall = 6.19
9/12/2011 7:00 AM 0.00 0.0 M M M
9/13/2011 7:00 AM 0.14 M M M M All rain 12 Sep: TRW- 1740-2120 = 0.14" Sep rain to date: 1.42 Jul + Aug + Sep to date: 6.33
9/14/2011 7:00 AM 0.46 M M M M All rain 13 Sep: TRW 2050-2310 + 0.46" Sep rain to date: 1.88" Jul + Aug + Sep to date: 6.79"
9/15/2011 7:00 AM 0.02 M M M M All rain 14 Sep: RW 0645-0655 + 0.02 Sep rain to date: 1.90 Jul + Aug + Sep to date: 6.81
9/16/2011 7:00 AM 0.00 0.0 M M M
9/17/2011 7:00 AM 0.00 0.0 M M M
9/18/2011 7:00 AM 0.00 0.0 M M M
9/19/2011 7:00 AM 0.00 0.0 M M M
9/20/2011 7:00 AM 0.00 0.0 M M M
9/21/2011 7:00 AM 0.00 0.0 M M M
9/22/2011 7:00 AM 0.00 0.0 M M M
9/23/2011 7:00 AM 0.00 0.0 M M M
9/24/2011 7:00 AM 0.00 0.0 M M M
9/25/2011 7:00 AM 0.00 0.0 M M M
9/26/2011 7:00 AM 0.00 0.0 M M M
9/27/2011 7:00 AM 0.00 0.0 M M M
9/28/2011 7:00 AM 0.01 0.0 M M M All rain 27 Sep: Intermittent RW--: 0.01 Thunder & lightning all around us! Sep rain total 1.91 Jul + Aug + Sep: 6.82
9/29/2011 7:00 AM 0.00 0.0 M M M
9/30/2011 7:00 AM 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