Viewing Station: IL-CT-10 : Bartelso 1.7 E
Apr 16, 2023 - May 27, 20261,103 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.05"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
4.28"
Departure from Normal
0.77" : 118% of Normal
Year-To-Date: 19.18"
Jan 1 to May 27, 2026(145 of 147 days covered by obs)
NOAA Normal
17.70"
Departure from Normal
1.48" : 108% of Normal
Water Year-To-Date: 26.38"
Oct 1, 2025 to May 27, 2026(237 of 239 days covered by obs)
NOAA Normal
27.28"
Departure from Normal
-0.90" : 97% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.86
2.83
0.03
Feb
2.30
2.42
-0.12
Mar
3.50
3.40
0.10
Apr
4.76
4.69
0.07
May
4.91
4.99
-0.08
Jun
4.46
4.76
-0.30
Jul
3.80
3.91
-0.11
Aug
3.23
3.28
-0.05
Sep
3.35
3.37
-0.02
Oct
3.16
3.17
-0.01
Nov
3.68
3.65
0.03
Dec
2.74
2.82
-0.08
42.75
43.29
-0.54