Viewing Station: AZ-PM-108 : Tucson 4.1 N
Jan 15, 2009 - Sep 17, 20265,555 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.39"
September 1-26, 2026(7 of 26 days covered by obs)
NOAA Normal
0.99"
Departure from Normal
0.40" : 141% of Normal
Year-To-Date: 7.20"
Jan 1 to Sep 26, 2026(63 of 269 days covered by obs)
NOAA Normal
8.29"
Departure from Normal
-1.09" : 87% of Normal
Water Year-To-Date: 11.05"
Oct 1, 2025 to Sep 26, 2026(79 of 361 days covered by obs)
NOAA Normal
10.70"
Departure from Normal
0.35" : 103% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.04
1.02
0.02
Feb
0.98
0.97
0.01
Mar
0.66
0.67
-0.01
Apr
0.29
0.28
0.01
May
0.16
0.15
0.01
Jun
0.19
0.28
-0.09
Jul
1.89
1.87
0.02
Aug
2.09
2.28
-0.19
Sep
1.14
1.27
-0.13
Oct
0.60
0.65
-0.05
Nov
0.69
0.64
0.05
Dec
1.12
1.09
0.03
10.85
11.17
-0.32