Viewing Station: AZ-CH-17 : Sierra Vista 1.3 E
Dec 6, 2009 - May 21, 20266,004 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.35"
May 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
0.12"
Departure from Normal
0.23" : 304% of Normal
Year-To-Date: 2.92"
Jan 1 to May 21, 2026(141 of 141 days covered by obs)
NOAA Normal
2.67"
Departure from Normal
0.25" : 110% of Normal
Water Year-To-Date: 4.63"
Oct 1, 2025 to May 21, 2026(233 of 233 days covered by obs)
NOAA Normal
4.83"
Departure from Normal
-0.20" : 96% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.91
0.82
0.09
Feb
0.77
0.66
0.11
Mar
0.64
0.49
0.15
Apr
0.23
0.22
0.01
May
0.17
0.19
-0.02
Jun
0.46
0.52
-0.06
Jul
3.51
3.43
0.08
Aug
3.28
3.53
-0.25
Sep
1.75
1.68
0.07
Oct
0.68
0.65
0.03
Nov
0.53
0.53
0.00
Dec
0.95
0.85
0.10
13.88
13.57
0.31