Viewing Station: AZ-PM-265 : Tucson 13.8 NW
Aug 24, 2015 - May 21, 20263,827 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
0.16"
Departure from Normal
0.14" : 185% of Normal
Year-To-Date: 1.89"
Jan 1 to May 21, 2026(141 of 141 days covered by obs)
NOAA Normal
3.12"
Departure from Normal
-1.23" : 61% of Normal
Water Year-To-Date: 4.89"
Oct 1, 2025 to May 21, 2026(232 of 233 days covered by obs)
NOAA Normal
5.49"
Departure from Normal
-0.60" : 89% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.91
0.97
-0.06
Feb
1.07
1.07
0.00
Mar
0.66
0.70
-0.04
Apr
0.32
0.27
0.05
May
0.24
0.14
0.10
Jun
0.15
0.24
-0.09
Jul
1.59
1.92
-0.33
Aug
2.09
2.18
-0.09
Sep
1.13
1.02
0.11
Oct
0.57
0.71
-0.14
Nov
0.70
0.65
0.05
Dec
1.10
1.11
-0.01
10.53
10.98
-0.45