Viewing Station: AZ-PM-138 : Oro Valley 4.9 NNW
Jan 18, 2010 - Aug 28, 20254,379 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.31"
August 1-29, 2025(28 of 29 days covered by obs)
NOAA Normal
2.10"
Departure from Normal
-0.79" : 62% of Normal
Year-To-Date: 4.44"
Jan 1 to Aug 29, 2025(239 of 241 days covered by obs)
NOAA Normal
8.13"
Departure from Normal
-3.69" : 55% of Normal
Water Year-To-Date: 5.36"
Oct 1, 2024 to Aug 29, 2025(331 of 333 days covered by obs)
NOAA Normal
10.96"
Departure from Normal
-5.60" : 49% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.23
1.28
-0.05
Feb
1.20
1.13
0.07
Mar
0.90
0.83
0.07
Apr
0.34
0.31
0.03
May
0.20
0.22
-0.02
Jun
0.20
0.28
-0.08
Jul
1.96
1.99
-0.03
Aug
2.25
2.59
-0.34
Sep
1.34
1.17
0.17
Oct
0.63
0.92
-0.29
Nov
0.84
0.70
0.14
Dec
1.36
1.27
0.09
12.45
12.69
-0.24