Viewing Station: IL-ST-3 : Manchester 0.1 S
Aug 22, 2026 - Sep 23, 202633 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.32"
September 1-23, 2026(23 of 23 days covered by obs)
NOAA Normal
2.45"
Departure from Normal
-1.13" : 54% of Normal
Year-To-Date: 1.37"
Jan 1 to Sep 23, 2026(33 of 266 days covered by obs)
NOAA Normal
30.84"
Departure from Normal
-29.47" : 4% of Normal
Water Year-To-Date: 1.37"
Oct 1, 2025 to Sep 23, 2026(33 of 358 days covered by obs)
NOAA Normal
39.21"
Departure from Normal
-37.84" : 3% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.24
2.11
0.13
Feb
2.03
2.00
0.03
Mar
2.91
2.86
0.05
Apr
4.23
4.23
0.00
May
4.83
4.78
0.05
Jun
4.81
4.66
0.15
Jul
3.95
3.86
0.09
Aug
3.39
3.25
0.14
Sep
3.19
3.21
-0.02
Oct
3.12
2.97
0.15
Nov
3.05
3.00
0.05
Dec
2.20
2.23
-0.03
39.95
39.16
0.79