Viewing Station: IL-SL-5 : Thompsonville 3.5 ESE
Mar 24, 2023 - May 27, 2026939 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.83"
May 1-27, 2026(23 of 27 days covered by obs)
NOAA Normal
4.36"
Departure from Normal
-2.53" : 42% of Normal
Year-To-Date: 13.18"
Jan 1 to May 27, 2026(141 of 147 days covered by obs)
NOAA Normal
20.80"
Departure from Normal
-7.62" : 63% of Normal
Water Year-To-Date: 20.07"
Oct 1, 2025 to May 27, 2026(230 of 239 days covered by obs)
NOAA Normal
31.99"
Departure from Normal
-11.92" : 63% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.37
3.26
0.11
Feb
3.13
3.05
0.08
Mar
4.48
4.18
0.30
Apr
5.46
5.14
0.32
May
5.01
4.92
0.09
Jun
4.54
4.50
0.04
Jul
3.91
3.83
0.08
Aug
3.33
3.08
0.25
Sep
3.45
3.16
0.29
Oct
3.60
3.43
0.17
Nov
4.09
4.06
0.03
Dec
3.50
3.51
-0.01
47.87
46.12
1.75