Viewing Station: AZ-PM-463 : Tucson 1.3 WSW
Sep 12, 2023 - May 21, 2026970 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.37"
May 1-21, 2026(20 of 21 days covered by obs)
NOAA Normal
0.12"
Departure from Normal
0.25" : 321% of Normal
Year-To-Date: 2.71"
Jan 1 to May 21, 2026(137 of 141 days covered by obs)
NOAA Normal
3.07"
Departure from Normal
-0.36" : 88% of Normal
Water Year-To-Date: 5.83"
Oct 1, 2025 to May 21, 2026(226 of 233 days covered by obs)
NOAA Normal
5.48"
Departure from Normal
0.35" : 106% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.02
1.00
0.02
Feb
0.99
0.93
0.06
Mar
0.66
0.65
0.01
Apr
0.28
0.28
0.00
May
0.17
0.15
0.02
Jun
0.20
0.26
-0.06
Jul
1.94
2.04
-0.10
Aug
2.12
2.25
-0.13
Sep
1.15
1.28
-0.13
Oct
0.62
0.66
-0.04
Nov
0.68
0.61
0.07
Dec
1.11
1.06
0.05
10.94
11.17
-0.23