Viewing Station: AZ-PM-14 : Tucson 1.5 NNE
Oct 1, 2009 - May 21, 20265,648 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.46"
May 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
0.12"
Departure from Normal
0.34" : 399% of Normal
Year-To-Date: 3.14"
Jan 1 to May 21, 2026(141 of 141 days covered by obs)
NOAA Normal
3.15"
Departure from Normal
-0.01" : 100% of Normal
Water Year-To-Date: 6.61"
Oct 1, 2025 to May 21, 2026(232 of 233 days covered by obs)
NOAA Normal
5.64"
Departure from Normal
0.97" : 117% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.05
1.04
0.01
Feb
1.01
0.99
0.02
Mar
0.69
0.70
-0.01
Apr
0.28
0.28
0.00
May
0.17
0.16
0.01
Jun
0.21
0.28
-0.07
Jul
1.99
1.95
0.04
Aug
2.16
2.20
-0.04
Sep
1.18
1.28
-0.10
Oct
0.62
0.67
-0.05
Nov
0.71
0.59
0.12
Dec
1.16
1.11
0.05
11.23
11.25
-0.02