Viewing Station: AZ-PM-487 : Tucson 2.0 NNW
Oct 12, 2025 - May 21, 2026221 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.29"
May 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
0.12"
Departure from Normal
0.17" : 252% of Normal
Year-To-Date: 2.09"
Jan 1 to May 21, 2026(141 of 141 days covered by obs)
NOAA Normal
3.07"
Departure from Normal
-0.98" : 68% of Normal
Water Year-To-Date: 5.51"
Oct 1, 2025 to May 21, 2026(221 of 233 days covered by obs)
NOAA Normal
5.48"
Departure from Normal
0.03" : 101% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.02
1.00
0.02
Feb
0.99
0.95
0.04
Mar
0.66
0.66
0.00
Apr
0.28
0.28
0.00
May
0.17
0.15
0.02
Jun
0.20
0.28
-0.08
Jul
1.94
1.92
0.02
Aug
2.12
2.34
-0.22
Sep
1.15
1.30
-0.15
Oct
0.62
0.65
-0.03
Nov
0.68
0.62
0.06
Dec
1.11
1.07
0.04
10.94
11.22
-0.28