Viewing Station: AZ-PM-245 : Tucson 8.1 E
Oct 13, 2013 - May 21, 20264,574 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.47"
May 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
0.12"
Departure from Normal
0.35" : 385% of Normal
Year-To-Date: 4.47"
Jan 1 to May 21, 2026(141 of 141 days covered by obs)
NOAA Normal
3.38"
Departure from Normal
1.09" : 132% of Normal
Water Year-To-Date: 10.78"
Oct 1, 2025 to May 21, 2026(231 of 233 days covered by obs)
NOAA Normal
6.07"
Departure from Normal
4.71" : 178% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.12
1.13
-0.01
Feb
1.06
1.08
-0.02
Mar
0.79
0.79
0.00
Apr
0.29
0.30
-0.01
May
0.18
0.23
-0.05
Jun
0.26
0.27
-0.01
Jul
2.19
2.15
0.04
Aug
2.32
2.46
-0.14
Sep
1.33
1.36
-0.03
Oct
0.64
0.79
-0.15
Nov
0.76
0.62
0.14
Dec
1.29
1.24
0.05
12.23
12.42
-0.19