Viewing Station: MT-CB-13 : Joliet 2.2 WNW
Dec 1, 2015 - Sep 17, 20252,767 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.70"
September 1-17, 2025(14 of 17 days covered by obs)
NOAA Normal
0.72"
Departure from Normal
-0.02" : 97% of Normal
Year-To-Date: 15.33"
Jan 1 to Sep 17, 2025(198 of 260 days covered by obs)
NOAA Normal
10.66"
Departure from Normal
4.67" : 144% of Normal
Water Year-To-Date: 16.38"
Oct 1, 2024 to Sep 17, 2025(268 of 352 days covered by obs)
NOAA Normal
13.30"
Departure from Normal
3.08" : 123% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.54
0.55
-0.01
Feb
0.52
0.59
-0.07
Mar
0.83
0.86
-0.03
Apr
1.71
1.85
-0.14
May
2.38
2.75
-0.37
Jun
2.03
2.15
-0.12
Jul
1.07
1.00
0.07
Aug
0.86
0.84
0.02
Sep
1.27
1.30
-0.03
Oct
1.41
1.61
-0.20
Nov
0.67
0.70
-0.03
Dec
0.56
0.59
-0.03
13.85
14.79
-0.94