Viewing Station: AZ-PM-371 : Tucson 13.2 WSW
Oct 27, 2019 - May 21, 20262,281 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.25"
May 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
0.11"
Departure from Normal
0.14" : 231% of Normal
Year-To-Date: 2.35"
Jan 1 to May 21, 2026(141 of 141 days covered by obs)
NOAA Normal
2.61"
Departure from Normal
-0.26" : 90% of Normal
Water Year-To-Date: 7.40"
Oct 1, 2025 to May 21, 2026(233 of 233 days covered by obs)
NOAA Normal
4.88"
Departure from Normal
2.52" : 152% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.81
0.80
0.01
Feb
0.85
0.87
-0.02
Mar
0.56
0.56
0.00
Apr
0.28
0.23
0.05
May
0.16
0.20
-0.04
Jun
0.19
0.24
-0.05
Jul
2.15
2.01
0.14
Aug
2.28
2.16
0.12
Sep
1.32
1.00
0.32
Oct
0.67
0.74
-0.07
Nov
0.57
0.48
0.09
Dec
1.03
1.02
0.01
10.87
10.31
0.56