Viewing Station: AZ-PM-422 : Tucson 14.6 WSW
Jul 1, 2021 - May 21, 20261,781 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.36"
May 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
0.10"
Departure from Normal
0.26" : 354% of Normal
Year-To-Date: 3.10"
Jan 1 to May 21, 2026(141 of 141 days covered by obs)
NOAA Normal
2.49"
Departure from Normal
0.61" : 124% of Normal
Water Year-To-Date: 6.11"
Oct 1, 2025 to May 21, 2026(233 of 233 days covered by obs)
NOAA Normal
4.71"
Departure from Normal
1.40" : 130% 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