Viewing Station: IL-IR-24 : Clifton 3.9 ESE
Jul 27, 2020 - Sep 18, 20261,441 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.76"
September 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
1.83"
Departure from Normal
-0.07" : 96% of Normal
Year-To-Date: 23.69"
Jan 1 to Sep 18, 2026(162 of 261 days covered by obs)
NOAA Normal
28.63"
Departure from Normal
-4.94" : 83% of Normal
Water Year-To-Date: 24.92"
Oct 1, 2025 to Sep 18, 2026(182 of 353 days covered by obs)
NOAA Normal
36.45"
Departure from Normal
-11.53" : 68% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.21
2.15
0.06
Feb
1.77
1.88
-0.11
Mar
2.30
2.45
-0.15
Apr
3.53
3.59
-0.06
May
4.32
4.33
-0.01
Jun
4.78
4.83
-0.05
Jul
4.36
4.41
-0.05
Aug
3.53
3.60
-0.07
Sep
3.05
3.21
-0.16
Oct
3.12
3.25
-0.13
Nov
2.61
2.66
-0.05
Dec
2.09
2.16
-0.07
37.67
38.52
-0.85