Viewing Station: IL-CM-4 : Greenup 0.2 W
May 2, 2026 - May 27, 202623 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.70"
May 1-27, 2026(24 of 27 days covered by obs)
NOAA Normal
4.26"
Departure from Normal
0.44" : 110% of Normal
Year-To-Date: 4.70"
Jan 1 to May 27, 2026(24 of 147 days covered by obs)
NOAA Normal
17.42"
Departure from Normal
-12.72" : 27% of Normal
Water Year-To-Date: 4.70"
Oct 1, 2025 to May 27, 2026(24 of 239 days covered by obs)
NOAA Normal
27.54"
Departure from Normal
-22.84" : 17% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.87
3.06
-0.19
Feb
2.32
2.44
-0.12
Mar
3.28
3.33
-0.05
Apr
4.69
4.85
-0.16
May
4.89
4.80
0.09
Jun
5.20
5.24
-0.04
Jul
4.19
4.35
-0.16
Aug
2.98
3.03
-0.05
Sep
3.14
3.08
0.06
Oct
3.73
3.69
0.04
Nov
3.70
3.76
-0.06
Dec
2.69
2.85
-0.16
43.68
44.48
-0.80