Station Overview Station Location
Station Number AZ-PM-7 Latitude 32.253399
Station Name Tucson 6.6 NE Longitude -110.802347
County Pima Elevation (ft) 2537



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 0.96 0.40 31 0.40 31 0.00 0 0 3 1 0.0 0 0
Nov 10 0.76 0.00 30 0.00 30 0.00 0 0 0 1 0.0 0 0
Dec 10 1.28 1.30 31 1.30 31 0.00 0 0 4 1 0.0 0 0
Jan 11 1.17 0.00 30 0.00 30 0.00 0 0 0 0 0.0 0 0
Feb 11 1.13 0.32 26 0.32 26 0.00 0 0 4 1 0.0 0 0
March 11 1.10 0.07 31 0.07 31 0.00 0 0 1 0 0.0 0 0
April 11 0.37 0.23 30 0.23 30 0.00 0 0 2 0 0.0 0 0
May 11 0.28 0.00 31 0.00 31 0.00 0 0 0 1 0.0 0 0
June 11 0.20 0.31 30 0.31 30 0.00 0 0 1 0 0.0 0 0
July 11 2.03 0.86 31 0.81 13 0.05 18 1 4 2 0.0 0 0
Aug 11 2.55 0.95 31 0.95 31 0.00 0 0 7 8 0.0 0 0
Sept 11 1.38 2.38 30 2.38 30 0.00 0 0 9 4 0.0 0 0
Water Year Totals: 13.21" 6.82" 362 days 6.77" 344 0.05" 18 days 1 35 days 19 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
10/1/2010 0.00
10/2/2010 0.00
10/3/2010 0.00
10/4/2010 0.00
10/5/2010 0.00
10/6/2010 0.31
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 0.02
10/16/2010 0.00
10/17/2010 0.00
10/18/2010 0.00
10/19/2010 0.00
10/20/2010 T
10/21/2010 0.07
10/22/2010 0.00
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 0.00
11/2/2010 0.00
11/3/2010 0.00
11/4/2010 0.00
11/5/2010 0.00
11/6/2010 0.00
11/7/2010 0.00
11/8/2010 0.00
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 0.24
12/18/2010 0.00
12/19/2010 0.00
12/20/2010 0.00
12/21/2010 0.00
12/22/2010 T
12/23/2010 0.39
12/24/2010 0.00
12/25/2010 0.00
12/26/2010 0.00
12/27/2010 0.00
12/28/2010 0.00
12/29/2010 0.00
12/30/2010 0.52
12/31/2010 0.15
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
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 0.02
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 T
2/21/2011 0.02
2/22/2011 0.00
2/23/2011 0.00
2/24/2011 0.00
2/25/2011
2/26/2011
2/27/2011 0.26
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 0.07
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 0.01
4/8/2011 0.00
4/9/2011 0.00
4/10/2011 0.22
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 T
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 0.31
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 0.43
7/6/2011 0.04
7/7/2011 0.03
7/8/2011 0.31
7/9/2011 T
7/10/2011 **
7/11/2011 **
7/12/2011 **
7/13/2011 **
7/14/2011 **
7/15/2011 **
7/16/2011 **
7/17/2011 **
7/18/2011 **
7/19/2011 **
7/20/2011 **
7/21/2011 **
7/22/2011 **
7/23/2011 **
7/24/2011 **
7/25/2011 **
7/26/2011 **
7/27/2011 0.05
7/28/2011 0.00
7/29/2011 T
7/30/2011 0.00
7/31/2011 0.00
8/1/2011 T
8/2/2011 0.00
8/3/2011 0.10
8/4/2011 0.01
8/5/2011 0.00
8/6/2011 0.00
8/7/2011 0.00
8/8/2011 0.16
8/9/2011 0.00
8/10/2011 T
8/11/2011 T
8/12/2011 0.00
8/13/2011 0.00
8/14/2011 0.06
8/15/2011 0.00
8/16/2011 T
8/17/2011 0.00
8/18/2011 0.00
8/19/2011 0.43
8/20/2011 0.00
8/21/2011 0.00
8/22/2011 T
8/23/2011 T
8/24/2011 T
8/25/2011 0.17
8/26/2011 0.02
8/27/2011 0.00
8/28/2011 0.00
8/29/2011 0.00
8/30/2011 0.00
8/31/2011 T
9/1/2011 T
9/2/2011 0.02
9/3/2011 0.03
9/4/2011 0.00
9/5/2011 0.00
9/6/2011 T
9/7/2011 0.00
9/8/2011 0.00
9/9/2011 0.00
9/10/2011 0.08
9/11/2011 1.28
9/12/2011 T
9/13/2011 0.40
9/14/2011 0.27
9/15/2011 0.01
9/16/2011 0.25
9/17/2011 T
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 0.04
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
10/2/2010 7:00 AM 0.00 0.0 M M M
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 0.00 0.0 M M M
10/6/2010 8:00 AM 0.31 M M M M Evening rain. No flooding observed but puddles remaining following morning.
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 8:00 AM 0.02 M 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 8:00 AM T M M M M Light rainshower just before observation
10/21/2010 8:00 AM 0.07 M M M M Low cloud at time of ob
10/22/2010 8:00 AM 0.00 0.0 M M M
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
11/1/2010 7:00 AM 0.00 0.0 M M M
11/2/2010 7:00 AM 0.00 0.0 M M M
11/3/2010 7:00 AM 0.00 0.0 M M M
11/4/2010 7:00 AM 0.00 0.0 M M M
11/5/2010 7:00 AM 0.00 0.0 M M M
11/6/2010 7:00 AM 0.00 0.0 M M M
11/7/2010 7:00 AM 0.00 0.0 M M M
11/8/2010 7:00 AM 0.00 0.0 M M M
11/9/2010 8:00 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 8:00 AM T M M M M
11/30/2010 8:00 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 8:00 AM 0.24 M M M M
12/18/2010 7:00 AM 0.00 0.0 M M M
12/19/2010 7:00 AM 0.00 0.0 M M M
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 8:00 AM T M M M M
12/23/2010 8:00 AM 0.39 M M M M Brief showers 1:30 to 1:40 pm and 3:30 pm but left only a trace. Main precip event after midnight.
12/24/2010 7:00 AM 0.00 0.0 M M M
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 0.00 0.0 M M M
12/29/2010 7:00 AM 0.00 0.0 M M M
12/30/2010 8:00 AM 0.52 M M M M Steady precip by 5pm. Continued through time of observation.
12/31/2010 8:00 AM 0.15 M M M M Rain falling at previous day's observation.
1/1/2011 7:00 AM 0.00 0.0 M M M
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
1/21/2011 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 8:00 AM 0.02 M M M M
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 8:00 AM T M M M M Mid afternoon on 19 Feb
2/21/2011 8:00 AM 0.02 M M M M
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
2/27/2011 8:00 AM 0.26 M M M M Precip began sometime after midnight and ended sometime before 8 am.
2/28/2011 8:00 AM 0.02 M M M M Hail report sent after occurrence on 27 Feb
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 8:00 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 8:00 AM 0.07 M M M M Overnight rain. Periodic heavier downpours starting at 9 pm lasting only a few minutes.
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 8:00 AM 0.01 M M M M 2 brief showers yesterday afternoon. Accumulation only from second shower. However, virga present much of afternoon.
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 8:00 AM 0.22 M M M M Light rain becoming drizzle after 5 pm. Brief shower from 8:30 to 8:45 am prior to rain, also light.
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
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 8:00 AM T M M M M Very brief shower previous evening.
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
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 8:00 AM 0.31 M M M M
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
7/5/2011 8:00 AM 0.43 M M M M By 10 pm on 4 Jul, 0.41 inches had fallen. Remaining fell in a light rain, ending about 11 pm. Much debris on the ground, including a few small branches. Lightning north of Tucson over the mountains, until at least 10 pm. I was not in town for the start of precip.
7/6/2011 8:00 AM 0.04 M M M M Green clouds during precip; mammatus present. Svr tstm warning in effect.
7/7/2011 8:00 AM 0.03 M M M M Beginning half hour before precip until end of precip: Frequent low-rumbling thunder, some lightning (probably much of it was obscured by daylight). Gusts blew down small twigs.
7/8/2011 8:00 AM 0.31 M M M M Continuous thunder from 5 pm to 6:30 pm. Storm moved westerly along the Santa Catalina Mtns. Rotating clouds in advance of rain shaft which itself appeared greenish but no hail seen. Sent email to NWS Tucson with picture just after seeing rotation. At time of morning observation, very humid with thoroughly wet ground but few puddles in neighborhood.
7/9/2011 8:00 AM T M M M M A few drops off and on after 10 pm but no steady precip.
7/28/2011 7:00 AM 0.00 0.0 M M M
7/29/2011 8:00 AM T M M M M Start time of precip is accurate; end time is less accurate. Very light precip. Strong gusts with onset of rain.
7/30/2011 7:00 AM 0.00 0.0 M M M
7/31/2011 7:00 AM 0.00 0.0 M M M
8/1/2011 8:00 AM T M M M M
8/2/2011 7:00 AM 0.00 0.0 M M M
8/3/2011 8:00 AM 0.10 M M M M Very light rain, low overcast, and distant thunder at time of observation; continuous thunder from 5 am to 7 am seemed close. Brief shower last night 10:38-10:50 pm.
8/4/2011 8:00 AM 0.01 M M M M Light rain at beginning of 24-hour period, ending by 10 am, with a trace of rain. Thunderstorm about 3 am with continuous thunder, frequent lightning.
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 8:00 AM 0.16 M M M M Afternoon precip associated with lightning and thunder. Strong winds prior to start of rainfall. 0.16 inches fell during heaviest precip. Otherwise, a trace with remainder of rainfall as well as from a nighttime shower 8:30 to 9 pm.
8/9/2011 8:00 AM 0.00 0.0 M M M
8/10/2011 8:00 AM T M M M M
8/11/2011 8:00 AM T M M M M Several showers/thunderstorms in the area, esp over Rincons, on afternoon of Aug 10.
8/12/2011 7:00 AM 0.00 0.0 M M M
8/13/2011 8:00 AM 0.00 0.0 M M M
8/14/2011 8:00 AM 0.06 M M M M Thunder and lightning with precip. Start time of precip is accurate; end time is estimate.
8/15/2011 7:00 AM 0.00 0.0 M M M
8/16/2011 8:00 AM T M M M M Two brief precip events: 2:19 to 2:25 pm and 8:15 to 8:30pm.
8/17/2011 8:00 AM 0.00 0.0 M M M
8/18/2011 7:00 AM 0.00 0.0 M M M
8/19/2011 8:00 AM 0.43 M M M M Thunderstorms came from the north from over the Santa Catalina mountains. Even though precip was relatively heavy for almost 3.5 hours, there were brief periods of lighter rain during that time. Thunder began at 2:30 pm; frequent thunder and lightning from 4:08 until 8 pm, setting off car alarms. Gusty winds started at 4 pm; strong winds began at 4:08 pm and lasted until about 8pm, blowing over plastic trash cans and kicking up dust.
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 8:00 AM T M M M M
8/23/2011 8:00 AM T M M M M Thunder heard from about 2 pm to 3:30 pm.
8/24/2011 8:00 AM T M M M M
8/25/2011 8:00 AM 0.17 M M M M First rain event: 0.16 inches, strong winds 5:34 to 7 pm. Second rain event, 9:50 pm for 15 minutes: 0.01
8/26/2011 8:00 AM 0.02 M M M M
8/27/2011 8:00 AM 0.00 0.0 M M M
8/28/2011 8:00 AM 0.00 0.0 M M M
8/29/2011 8:00 AM 0.00 0.0 M M M
8/30/2011 8:00 AM 0.00 0.0 M M M
8/31/2011 8:00 AM T M M M M Rainshowers in area by 6 am. Lightning observed in rainshaft over Rincon Mtns at 6:48 am. Significant cloud mass forming over Santa Catalinas by 8 am observation.
9/1/2011 8:00 AM T M M M M Just a few raindrops here and there. Lightning over Rincons from about 5 pm to 8 pm.
9/2/2011 8:00 AM 0.02 M M M M
9/3/2011 8:00 AM 0.03 M M M M Rain shaft appeared to carry a lot of dust with it. Gusty winds with precip.
9/4/2011 8:00 AM 0.00 0.0 M M M
9/5/2011 8:00 AM 0.00 0.0 M M M
9/6/2011 8:00 AM T M M M M Very occasional drops.
9/7/2011 8:00 AM 0.00 0.0 M M M
9/8/2011 8:00 AM 0.00 0.0 M M M
9/9/2011 8:00 AM 0.00 0.0 M M M
9/10/2011 8:00 AM 0.08 M M M M Rapid buildup of convective clouds from 10:45 am to noon. Moderate CU by 1130, mainly over mountains around Tucson, except clear NW. CB by 12:15 pm to NE, SE and SW of Tucson. Thunder at 12:56 pm. Light rain 2:40 to 2:50 pm prior to main rain event. Minor stream running through my street had almost no water in it after rain ended which is unusual for this amount of rainfall.
9/11/2011 8:00 AM 1.28 M M M M Strong winds and dust started at 5:15pm, thunder began by 5:30pm. Frequent lightning/thunder with onset of rain; thunder overhead at 6:22 pm. Thunder ended 8:05 pm. At least moderate rain during entire event with heavier rain embedded. Temperature drop. Event compared to a winter frontal passage.
9/12/2011 8:00 AM T M M M M Rain started just before ob; thunder began at 07:41 am, strong winds began at 07:56 am. Storm SE of Tucson. Last night, brief shower 10:12 to 10:16 pm.
9/13/2011 8:00 AM 0.40 M M M M First rain event began prior to observation time on Sep 12 and continued to 9 am when thunder also ended; 0.09 inches of precip. Cool and breezy conditions continued all day. Second precip event added another 0.31 inches of rainfall.
9/14/2011 8:00 AM 0.27 M M M M Also, a light shower at 3:40 pm (about 4 minutes) left only a trace. Evening rain event had several embedded heavier showers; Fahringer Wash crossing my street was deep but not a strong flow. Convective clouds northwest, northeast, and east of Tucson in early morning, dissipating by 8 am.
9/15/2011 8:00 AM 0.01 M M M M Also, light shower 2:09 to 2:30 pm with thunder; trace or precip. Thunder with main rain event.
9/16/2011 8:00 AM 0.25 M M M M At start of rain at 12:30pm, extensive and thick anvil overhead from CB to South with mammatus; thunder overhead at 12:55 pm. Heavier showers off and on through main precip event. Second light precip event at 4:42 to 4:45 pm.
9/17/2011 8:00 AM T M M M M
9/18/2011 8:00 AM 0.00 0.0 M M M
9/19/2011 8:00 AM 0.00 0.0 M M M
9/20/2011 8:00 AM 0.00 0.0 M M M
9/21/2011 8:00 AM 0.00 0.0 M M M
9/22/2011 8:00 AM 0.00 0.0 M M M No precip at this site. However, a few raindrops observed 2 miles due south at 3:30 pm (Broadway and Harrison). Extensive, thick mid-level cloud deck moved in from south during the afternoon hours and had a lot of virga. At time of observation, 2 CBs West and Southwest of Tucson.
9/23/2011 8:00 AM 0.00 0.0 M M M Previous afternoon had several high-based CBs surrounding Tucson metro area. They were small in radius and height and only a few had virga.
9/24/2011 8:00 AM 0.00 0.0 M M M
9/25/2011 8:00 AM 0.00 0.0 M M M
9/26/2011 8:00 AM 0.00 0.0 M M M
9/27/2011 8:00 AM 0.00 0.0 M M M
9/28/2011 8:00 AM 0.04 0.0 M M M Afternoon 0.03 inches; overnight 0.01
9/29/2011 8:00 AM 0.00 0.0 M M M
9/30/2011 8:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
7/10/2011 7/27/2011 8:00 AM 18 0.05 M M Out of town during this period. However, significant lightning evening of Jul 26 as we drove back.



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
2/27/2011 2:31 PM No indentations left on pad. Hail was mainly soft and melted quickly. 1/4" Pea Size Rice Rice Mixed 7 1min no damage Continuous False Same time as rain Same time as smaller hail vertical