Viewing Station: IL-BU-9 : La Moille 0.2 NNE
Jul 6, 2014 - Sep 17, 20264,303 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.01"
September 1-22, 2026(17 of 22 days covered by obs)
NOAA Normal
2.62"
Departure from Normal
-1.61" : 39% of Normal
Year-To-Date: 31.28"
Jan 1 to Sep 22, 2026(260 of 265 days covered by obs)
NOAA Normal
29.34"
Departure from Normal
1.94" : 107% of Normal
Water Year-To-Date: 36.59"
Oct 1, 2025 to Sep 22, 2026(352 of 357 days covered by obs)
NOAA Normal
36.85"
Departure from Normal
-0.26" : 99% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.77
1.76
0.01
Feb
1.70
1.73
-0.03
Mar
2.44
2.32
0.12
Apr
3.58
3.58
0.00
May
4.75
4.63
0.12
Jun
4.78
4.71
0.07
Jul
3.93
3.97
-0.04
Aug
3.77
3.81
-0.04
Sep
3.57
3.42
0.15
Oct
3.05
2.98
0.07
Nov
2.48
2.42
0.06
Dec
1.98
2.00
-0.02
37.80
37.33
0.47