Viewing Station: AZ-CH-77 : Sierra Vista 3.2 SSE
Apr 1, 2020 - May 21, 20262,244 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.31"
May 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
0.13"
Departure from Normal
0.18" : 241% of Normal
Year-To-Date: 2.94"
Jan 1 to May 21, 2026(141 of 141 days covered by obs)
NOAA Normal
2.87"
Departure from Normal
0.07" : 102% of Normal
Water Year-To-Date: 4.42"
Oct 1, 2025 to May 21, 2026(233 of 233 days covered by obs)
NOAA Normal
5.16"
Departure from Normal
-0.74" : 86% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.98
0.88
0.10
Feb
0.86
0.69
0.17
Mar
0.66
0.56
0.10
Apr
0.24
0.24
0.00
May
0.19
0.20
-0.01
Jun
0.48
0.61
-0.13
Jul
3.70
3.51
0.19
Aug
3.43
3.65
-0.22
Sep
1.72
1.65
0.07
Oct
0.71
0.78
-0.07
Nov
0.59
0.60
-0.01
Dec
0.99
0.95
0.04
14.55
14.32
0.23