Viewing Station: MT-CB-13 : Joliet 2.2 WNW
Dec 1, 2015 - Sep 19, 20263,017 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.37"
September 1-20, 2026(11 of 20 days covered by obs)
NOAA Normal
0.85"
Departure from Normal
0.52" : 162% of Normal
Year-To-Date: 8.04"
Jan 1 to Sep 20, 2026(173 of 263 days covered by obs)
NOAA Normal
10.79"
Departure from Normal
-2.75" : 75% of Normal
Water Year-To-Date: 11.11"
Oct 1, 2025 to Sep 20, 2026(239 of 355 days covered by obs)
NOAA Normal
13.43"
Departure from Normal
-2.32" : 83% 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