Viewing Station: AZ-PM-103 : Tucson 3.0 WNW
Jul 7, 2008 - May 21, 20265,128 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.30"
May 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
0.13"
Departure from Normal
0.17" : 233% of Normal
Year-To-Date: 2.26"
Jan 1 to May 21, 2026(141 of 141 days covered by obs)
NOAA Normal
3.01"
Departure from Normal
-0.75" : 75% of Normal
Water Year-To-Date: 5.80"
Oct 1, 2025 to May 21, 2026(232 of 233 days covered by obs)
NOAA Normal
5.32"
Departure from Normal
0.48" : 109% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.94
0.99
-0.05
Feb
0.98
0.93
0.05
Mar
0.65
0.64
0.01
Apr
0.31
0.28
0.03
May
0.19
0.15
0.04
Jun
0.20
0.26
-0.06
Jul
1.84
1.94
-0.10
Aug
2.19
2.21
-0.02
Sep
1.21
1.26
-0.05
Oct
0.62
0.66
-0.04
Nov
0.62
0.61
0.01
Dec
1.07
1.04
0.03
10.82
10.97
-0.15