Viewing Station: AZ-PM-422 : Tucson 14.6 WSW
Jul 1, 2021 - Aug 19, 20261,871 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.59"
August 1-19, 2026(19 of 19 days covered by obs)
NOAA Normal
1.34"
Departure from Normal
2.25" : 269% of Normal
Year-To-Date: 10.14"
Jan 1 to Aug 19, 2026(231 of 231 days covered by obs)
NOAA Normal
6.05"
Departure from Normal
4.09" : 168% of Normal
Water Year-To-Date: 13.15"
Oct 1, 2025 to Aug 19, 2026(323 of 323 days covered by obs)
NOAA Normal
8.27"
Departure from Normal
4.88" : 159% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.77
0.79
-0.02
Feb
0.81
0.88
-0.07
Mar
0.53
0.56
-0.03
Apr
0.28
0.24
0.04
May
0.15
0.20
-0.05
Jun
0.17
0.24
-0.07
Jul
2.00
1.99
0.01
Aug
2.18
2.14
0.04
Sep
1.26
0.99
0.27
Oct
0.66
0.74
-0.08
Nov
0.56
0.48
0.08
Dec
1.00
1.02
-0.02
10.37
10.27
0.10