Viewing Station: AZ-PM-143 : Tucson 11.7 ENE
Jan 1, 2010 - Sep 10, 20266,027 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.25"
September 1-10, 2026(10 of 10 days covered by obs)
NOAA Normal
0.47"
Departure from Normal
-0.22" : 53% of Normal
Year-To-Date: 10.39"
Jan 1 to Sep 10, 2026(253 of 253 days covered by obs)
NOAA Normal
8.52"
Departure from Normal
1.87" : 122% of Normal
Water Year-To-Date: 14.57"
Oct 1, 2025 to Sep 10, 2026(345 of 345 days covered by obs)
NOAA Normal
11.09"
Departure from Normal
3.48" : 131% 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