Viewing Station: WY-CM-20 : Gillette 13.9 NNW
Jan 31, 2011 - May 23, 20265,491 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.22"
May 1-23, 2026(23 of 23 days covered by obs)
NOAA Normal
2.21"
Departure from Normal
-1.99" : 10% of Normal
Year-To-Date: 3.00"
Jan 1 to May 23, 2026(143 of 143 days covered by obs)
NOAA Normal
6.09"
Departure from Normal
-3.09" : 49% of Normal
Water Year-To-Date: 5.90"
Oct 1, 2025 to May 23, 2026(238 of 235 days covered by obs)
NOAA Normal
8.56"
Departure from Normal
-2.66" : 69% 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