Viewing Station: AZ-PM-145 : Tucson 4.9 E
Jan 21, 2010 - May 21, 20265,589 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.44"
May 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
0.12"
Departure from Normal
0.32" : 361% of Normal
Year-To-Date: 3.20"
Jan 1 to May 21, 2026(141 of 141 days covered by obs)
NOAA Normal
3.21"
Departure from Normal
-0.01" : 100% of Normal
Water Year-To-Date: 6.78"
Oct 1, 2025 to May 21, 2026(232 of 233 days covered by obs)
NOAA Normal
5.70"
Departure from Normal
1.08" : 119% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.07
1.06
0.01
Feb
1.02
1.02
0.00
Mar
0.72
0.75
-0.03
Apr
0.28
0.29
-0.01
May
0.18
0.18
0.00
Jun
0.22
0.29
-0.07
Jul
2.04
1.94
0.10
Aug
2.18
2.41
-0.23
Sep
1.24
1.29
-0.05
Oct
0.64
0.74
-0.10
Nov
0.68
0.62
0.06
Dec
1.17
1.16
0.01
11.44
11.75
-0.31