Viewing Station: IL-WN-45 : Machesney Park 0.9 W
Apr 16, 2020 - Sep 23, 20262,353 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 6.33"
September 1-23, 2026(23 of 23 days covered by obs)
NOAA Normal
2.71"
Departure from Normal
3.62" : 233% of Normal
Year-To-Date: 35.53"
Jan 1 to Sep 23, 2026(266 of 266 days covered by obs)
NOAA Normal
28.74"
Departure from Normal
6.79" : 124% of Normal
Water Year-To-Date: 40.19"
Oct 1, 2025 to Sep 23, 2026(358 of 358 days covered by obs)
NOAA Normal
35.72"
Departure from Normal
4.47" : 113% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.56
1.61
-0.05
Feb
1.55
1.62
-0.07
Mar
2.13
2.15
-0.02
Apr
3.65
3.59
0.06
May
4.23
4.25
-0.02
Jun
5.23
5.36
-0.13
Jul
3.73
3.67
0.06
Aug
3.95
4.07
-0.12
Sep
3.54
3.67
-0.13
Oct
2.83
2.83
0.00
Nov
2.27
2.34
-0.07
Dec
1.88
1.98
-0.10
36.55
37.14
-0.59