Station Overview Station Location
Station Number AZ-PM-31 Latitude 32.138868
Station Name Tucson 8.9 SW Longitude -111.038193
County Pima Elevation (ft) 2572



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 0.91 3.22 9 3.22 9 0.00 0 0 9 0 0.0 0 0
Nov 18 0.61 0.13 1 0.13 1 0.00 0 0 1 0 0.0 0 0
Dec 18 1.10 1.23 5 1.23 5 0.00 0 0 4 1 0.0 0 0
Jan 19 0.93 1.04 5 1.04 5 0.00 0 0 5 0 0.0 0 0
Feb 19 0.91 1.85 6 1.85 6 0.00 0 0 6 0 2.7 1 0
March 19 0.83 0.49 3 0.49 3 0.00 0 0 2 1 0.0 0 0
April 19 0.33 0.03 1 0.03 1 0.00 0 0 1 0 0.0 0 0
May 19 0.20 1.31 3 1.31 3 0.00 0 0 2 0 0.0 0 0
June 19 0.23 0.00 1 0.00 1 0.00 0 0 0 1 0.0 0 0
July 19 2.08 0.56 4 0.56 4 0.00 0 0 4 0 0.0 0 0
Aug 19 2.48 2.23 6 1.87 4 0.36 2 1 4 0 0.0 0 0
Sept 19 1.30 2.31 9 2.31 9 0.00 0 0 6 3 0.0 0 0
Water Year Totals: 11.91" 14.40" 53 days 14.04" 51 0.36" 2 days 1 44 days 6 days 2.7" 1 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 0.15
10/2/2018 0.90
10/3/2018 0.03
10/4/2018
10/5/2018
10/6/2018
10/7/2018
10/8/2018 0.24
10/9/2018
10/10/2018
10/11/2018
10/12/2018 0.40
10/13/2018
10/14/2018 0.86
10/15/2018
10/16/2018 0.33
10/17/2018
10/18/2018
10/19/2018
10/20/2018
10/21/2018
10/22/2018 0.15
10/23/2018
10/24/2018 0.16
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 0.13
12/1/2018
12/2/2018
12/3/2018
12/4/2018
12/5/2018
12/6/2018
12/7/2018 T
12/8/2018 0.51
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 0.30
12/27/2018 0.02
12/28/2018 0.40
12/29/2018
12/30/2018
12/31/2018
Day of YearDaily PrcpMultiday Prcp
1/1/2019 0.28
1/2/2019
1/3/2019
1/4/2019
1/5/2019
1/6/2019 0.66
1/7/2019 0.02
1/8/2019
1/9/2019
1/10/2019 0.03
1/11/2019
1/12/2019
1/13/2019 0.05
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 0.48
2/5/2019
2/6/2019
2/7/2019 0.04
2/8/2019
2/9/2019
2/10/2019
2/11/2019
2/12/2019
2/13/2019
2/14/2019
2/15/2019 0.06
2/16/2019
2/17/2019
2/18/2019
2/19/2019 0.08
2/20/2019
2/21/2019
2/22/2019 0.62
2/23/2019 0.57
2/24/2019
2/25/2019
2/26/2019
2/27/2019
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 0.42
3/13/2019 0.07
3/14/2019 T
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 0.03
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 1.27
5/13/2019 0.04
5/14/2019 0.00
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 T
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 0.38
7/15/2019 0.03
7/16/2019
7/17/2019
7/18/2019
7/19/2019
7/20/2019
7/21/2019
7/22/2019
7/23/2019 0.09
7/24/2019
7/25/2019
7/26/2019
7/27/2019
7/28/2019
7/29/2019
7/30/2019
7/31/2019 0.06
8/1/2019 0.04
8/2/2019
8/3/2019
8/4/2019
8/5/2019
8/6/2019
8/7/2019 **
8/8/2019 0.36
8/9/2019 0.13
8/10/2019
8/11/2019 1.09
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 0.61
8/30/2019
8/31/2019
9/1/2019 T
9/2/2019 T
9/3/2019 T
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 0.51
9/16/2019
9/17/2019 0.11
9/18/2019
9/19/2019
9/20/2019
9/21/2019
9/22/2019
9/23/2019 0.52
9/24/2019 0.41
9/25/2019 0.69
9/26/2019 0.07
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
10/1/2018 8:00 AM 0.15 M M M M
10/2/2018 8:00 AM 0.90 M M M M Remnants of Hurricane Rosa came through and dumped a lot of rain on the Old Pueblo. Ponding and flooding of unusual proportion. Many streets were closed due to impassable conditions.
10/3/2018 8:00 AM 0.03 M M M M
10/8/2018 8:00 AM 0.24 M M M M storm came in after 4 pm
10/12/2018 8:00 AM 0.40 M M M M heavy rain started around 23:53. again heaviest of rain seemed to come around 00:15
10/14/2018 8:00 AM 0.86 M M M M
10/16/2018 8:00 AM 0.33 M M M M storm rolled in about 1:15 am
10/22/2018 8:00 AM 0.15 M M M M
10/24/2018 8:00 AM 0.16 M M M M
11/30/2018 8:00 AM 0.13 M M M M
12/7/2018 8:00 AM T M M M M
12/8/2018 8:00 AM 0.51 M M M M
12/26/2018 8:00 AM 0.30 M M M M
12/27/2018 8:00 AM 0.02 M M M M
12/28/2018 8:00 AM 0.40 M M M M flooding and ponding around town.
1/1/2019 7:30 AM 0.28 T M 0.0 M Light snow (snow way) earlier this morning. Less than 1/4 of an inch. Still a refreshing change. It was 5 years ago today, that we last received rain.
1/6/2019 8:00 AM 0.66 M M M M lots of ponding.
1/7/2019 8:00 AM 0.02 M M M M Dense fog this morning. A rarity for Tucson.
1/10/2019 8:00 AM 0.03 M M M M
1/13/2019 8:00 AM 0.05 M M M M
2/4/2019 8:00 AM 0.48 M M M M ponding / flooding
2/7/2019 8:00 AM 0.04 M M M M
2/15/2019 8:00 AM 0.06 M M M M
2/19/2019 8:00 AM 0.08 M M M M
2/22/2019 8:00 AM 0.62 M M M M Snowing this morning in Drexel Heights / Tucson. Lovely, big, beautiful flakes. 37F/3C.
2/23/2019 8:00 AM 0.57 2.7 M M M Snow started around 7:30 am and continued till almost 3 pm. Big, white, fluffy snow. Some of it stuck around. The desert was completely transformed into a winter wonderland, all covered in a beautiful, velvety covering of fresh snow.
3/12/2019 8:00 AM 0.42 M M M M
3/13/2019 8:00 AM 0.07 M M M M
3/14/2019 8:00 AM T M M M M
4/6/2019 8:00 AM 0.03 M M M M freak storm out of nowhere, lasted for a few minutes, Starting at 17:30 yesterday evening.
5/12/2019 8:00 AM 1.27 M M M M
5/13/2019 8:00 AM 0.04 M M M M
5/14/2019 8:00 AM 0.00 M M M M
6/11/2019 8:00 AM T M M M M
7/14/2019 8:00 AM 0.38 M M M M
7/15/2019 8:00 AM 0.03 M M M M
7/23/2019 8:00 AM 0.09 M M M M
7/31/2019 8:00 AM 0.06 M M M M disappointed again. we have had very little rain this monsoon season.
8/1/2019 8:00 AM 0.04 M M M M
8/9/2019 8:00 AM 0.13 M M M M
8/11/2019 8:00 AM 1.09 M M M M lots of ponding biggest rain storm this monsoon
8/29/2019 8:00 AM 0.61 M M M M A lot of ponding and runoff. One of the most active monsoon days this season.
9/1/2019 8:00 AM T M M M M
9/2/2019 8:00 AM T M M M M
9/3/2019 8:00 AM T M M M M
9/15/2019 8:00 AM 0.51 M M M M
9/17/2019 8:00 AM 0.11 M M M M
9/23/2019 8:00 AM 0.52 M M M M sudden unexpected storm dumped over half inch of rain.
9/24/2019 8:00 AM 0.41 M M M M lots of flooding and ponding.
9/25/2019 8:00 AM 0.69 M M M M
9/26/2019 8:00 AM 0.07 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
8/7/2019 8/08/2019 8:00 AM 2 0.36 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