Viewing Station: WY-CM-20 : Gillette 13.9 NNW
Jan 31, 2011 - Oct 21, 20255,276 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.92"
October 1-21, 2025(21 of 21 days covered by obs)
NOAA Normal
0.96"
Departure from Normal
0.96" : 200% of Normal
Year-To-Date: 18.04"
Jan 1 to Oct 21, 2025(294 of 294 days covered by obs)
NOAA Normal
14.20"
Departure from Normal
3.84" : 127% of Normal
Water Year-To-Date: 1.92"
Oct 1, 2025 to Oct 21, 2025(21 of 21 days covered by obs)
NOAA Normal
0.96"
Departure from Normal
0.96" : 200% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.47
0.44
0.03
Feb
0.65
0.65
0.00
Mar
0.92
0.88
0.04
Apr
1.84
1.84
0.00
May
2.98
2.75
0.23
Jun
2.46
2.23
0.23
Jul
1.61
1.60
0.01
Aug
1.14
1.14
0.00
Sep
1.17
1.14
0.03
Oct
1.42
1.40
0.02
Nov
0.54
0.48
0.06
Dec
0.51
0.52
-0.01
15.71
15.07
0.64