Viewing Station: IL-MR-11 : New Boston 9.3 NNE
Mar 31, 2024 - Sep 22, 2026895 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.11"
September 1-23, 2026(22 of 23 days covered by obs)
NOAA Normal
2.72"
Departure from Normal
2.39" : 188% of Normal
Year-To-Date: 41.78"
Jan 1 to Sep 23, 2026(265 of 266 days covered by obs)
NOAA Normal
29.75"
Departure from Normal
12.03" : 140% of Normal
Water Year-To-Date: 46.32"
Oct 1, 2025 to Sep 23, 2026(357 of 358 days covered by obs)
NOAA Normal
36.71"
Departure from Normal
9.61" : 126% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.40
1.38
0.02
Feb
1.68
1.65
0.03
Mar
2.41
2.37
0.04
Apr
3.65
3.53
0.12
May
4.86
4.84
0.02
Jun
5.03
4.85
0.18
Jul
4.07
3.81
0.26
Aug
3.93
3.84
0.09
Sep
3.55
3.44
0.11
Oct
2.86
2.74
0.12
Nov
2.25
2.19
0.06
Dec
1.85
1.83
0.02
37.54
36.47
1.07