Viewing Station: IL-MC-3 : Brookport 7.3 ENE
May 17, 2019 - May 22, 20262,520 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.30"
May 1-22, 2026(22 of 22 days covered by obs)
NOAA Normal
3.50"
Departure from Normal
-0.20" : 94% of Normal
Year-To-Date: 13.09"
Jan 1 to May 22, 2026(142 of 142 days covered by obs)
NOAA Normal
20.74"
Departure from Normal
-7.65" : 63% of Normal
Water Year-To-Date: 22.48"
Oct 1, 2025 to May 22, 2026(234 of 234 days covered by obs)
NOAA Normal
32.91"
Departure from Normal
-10.43" : 68% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.80
3.81
-0.01
Feb
3.76
3.72
0.04
Mar
4.65
4.75
-0.10
Apr
5.03
5.00
0.03
May
4.93
4.88
0.05
Jun
4.49
4.59
-0.10
Jul
4.17
4.31
-0.14
Aug
3.21
2.91
0.30
Sep
3.35
3.49
-0.14
Oct
3.66
3.80
-0.14
Nov
4.26
4.20
0.06
Dec
4.25
4.30
-0.05
49.56
49.76
-0.20