Viewing Station: AZ-PM-143 : Tucson 11.7 ENE
Jan 1, 2010 - May 21, 20265,915 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.49"
May 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
0.13"
Departure from Normal
0.36" : 381% of Normal
Year-To-Date: 3.28"
Jan 1 to May 21, 2026(141 of 141 days covered by obs)
NOAA Normal
3.33"
Departure from Normal
-0.05" : 99% of Normal
Water Year-To-Date: 7.46"
Oct 1, 2025 to May 21, 2026(233 of 233 days covered by obs)
NOAA Normal
5.90"
Departure from Normal
1.56" : 126% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.07
1.18
-0.11
Feb
1.10
1.17
-0.07
Mar
0.72
0.82
-0.10
Apr
0.31
0.30
0.01
May
0.19
0.22
-0.03
Jun
0.24
0.32
-0.08
Jul
2.09
2.34
-0.25
Aug
2.33
2.58
-0.25
Sep
1.41
1.37
0.04
Oct
0.63
0.79
-0.16
Nov
0.68
0.68
0.00
Dec
1.26
1.28
-0.02
12.03
13.05
-1.02