Viewing Station: AZ-PM-135 : Tucson 7.3 WNW
Jan 1, 2010 - May 21, 20265,958 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.27"
May 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
0.13"
Departure from Normal
0.14" : 210% of Normal
Year-To-Date: 2.89"
Jan 1 to May 21, 2026(141 of 141 days covered by obs)
NOAA Normal
3.04"
Departure from Normal
-0.15" : 95% of Normal
Water Year-To-Date: 5.84"
Oct 1, 2025 to May 21, 2026(233 of 233 days covered by obs)
NOAA Normal
5.34"
Departure from Normal
0.50" : 109% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.95
0.97
-0.02
Feb
1.00
0.97
0.03
Mar
0.65
0.66
-0.01
Apr
0.31
0.29
0.02
May
0.19
0.17
0.02
Jun
0.18
0.30
-0.12
Jul
1.75
1.76
-0.01
Aug
2.14
2.13
0.01
Sep
1.18
1.13
0.05
Oct
0.60
0.68
-0.08
Nov
0.63
0.63
0.00
Dec
1.07
1.03
0.04
10.65
10.72
-0.07