Viewing Station: WY-CM-34 : Gillette 2.6 S
Jun 1, 2020 - Sep 20, 2026482 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.00"
September 1-20, 2026(3 of 20 days covered by obs)
NOAA Normal
0.75"
Departure from Normal
0.25" : 134% of Normal
Year-To-Date: 3.59"
Jan 1 to Sep 20, 2026(16 of 263 days covered by obs)
NOAA Normal
12.85"
Departure from Normal
-9.26" : 28% of Normal
Water Year-To-Date: 3.59"
Oct 1, 2025 to Sep 20, 2026(16 of 355 days covered by obs)
NOAA Normal
15.45"
Departure from Normal
-11.86" : 23% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.47
0.52
-0.05
Feb
0.67
0.73
-0.06
Mar
1.00
1.09
-0.09
Apr
1.92
1.99
-0.07
May
2.96
3.24
-0.28
Jun
2.32
2.45
-0.13
Jul
1.56
1.63
-0.07
Aug
1.20
1.26
-0.06
Sep
1.12
1.16
-0.04
Oct
1.45
1.52
-0.07
Nov
0.62
0.62
0.00
Dec
0.53
0.61
-0.08
15.82
16.82
-1.00