Viewing Station: WY-AB-170 : Rock River 1.6 ENE
Dec 13, 2018 - May 23, 20262,078 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.21"
May 1-23, 2026(18 of 23 days covered by obs)
NOAA Normal
1.45"
Departure from Normal
0.76" : 153% of Normal
Year-To-Date: 3.97"
Jan 1 to May 23, 2026(125 of 143 days covered by obs)
NOAA Normal
4.80"
Departure from Normal
-0.83" : 83% of Normal
Water Year-To-Date: 6.12"
Oct 1, 2025 to May 23, 2026(180 of 235 days covered by obs)
NOAA Normal
7.11"
Departure from Normal
-0.99" : 86% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.48
0.45
0.03
Feb
0.61
0.58
0.03
Mar
0.85
0.87
-0.02
Apr
1.41
1.44
-0.03
May
1.95
2.01
-0.06
Jun
1.36
1.42
-0.06
Jul
1.18
1.39
-0.21
Aug
0.94
1.04
-0.10
Sep
1.07
1.04
0.03
Oct
1.09
1.10
-0.01
Nov
0.66
0.70
-0.04
Dec
0.56
0.58
-0.02
12.16
12.62
-0.46