Viewing Station: AZ-PM-137 : Oro Valley 5.8 N
Feb 7, 2010 - May 21, 20265,790 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.44"
May 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
0.15"
Departure from Normal
0.29" : 295% of Normal
Year-To-Date: 2.96"
Jan 1 to May 21, 2026(141 of 141 days covered by obs)
NOAA Normal
4.10"
Departure from Normal
-1.14" : 72% of Normal
Water Year-To-Date: 6.17"
Oct 1, 2025 to May 21, 2026(230 of 233 days covered by obs)
NOAA Normal
7.08"
Departure from Normal
-0.91" : 87% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.33
1.29
0.04
Feb
1.31
1.19
0.12
Mar
0.95
0.79
0.16
Apr
0.36
0.31
0.05
May
0.22
0.21
0.01
Jun
0.21
0.30
-0.09
Jul
2.00
2.04
-0.04
Aug
2.34
2.43
-0.09
Sep
1.49
1.19
0.30
Oct
0.67
0.88
-0.21
Nov
0.84
0.76
0.08
Dec
1.47
1.32
0.15
13.19
12.71
0.48