Viewing Station: AZ-PM-148 : Tucson 5.0 NNW
Apr 20, 2010 - Sep 18, 20255,393 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.10"
September 1-18, 2025(18 of 18 days covered by obs)
NOAA Normal
0.68"
Departure from Normal
0.42" : 162% of Normal
Year-To-Date: 5.33"
Jan 1 to Sep 18, 2025(261 of 261 days covered by obs)
NOAA Normal
7.88"
Departure from Normal
-2.55" : 68% of Normal
Water Year-To-Date: 5.69"
Oct 1, 2024 to Sep 18, 2025(353 of 353 days covered by obs)
NOAA Normal
10.23"
Departure from Normal
-4.54" : 56% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.02
1.00
0.02
Feb
0.98
0.96
0.02
Mar
0.65
0.62
0.03
Apr
0.28
0.28
0.00
May
0.17
0.15
0.02
Jun
0.19
0.27
-0.08
Jul
1.85
1.81
0.04
Aug
2.06
2.07
-0.01
Sep
1.13
1.26
-0.13
Oct
0.61
0.63
-0.02
Nov
0.67
0.61
0.06
Dec
1.07
1.04
0.03
10.68
10.70
-0.02