Viewing Station: IL-SL-7 : Harrisburg 3.5 NNE
Mar 22, 2023 - May 27, 20261,153 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.31"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
4.22"
Departure from Normal
-0.91" : 78% of Normal
Year-To-Date: 13.43"
Jan 1 to May 27, 2026(147 of 147 days covered by obs)
NOAA Normal
20.66"
Departure from Normal
-7.23" : 65% of Normal
Water Year-To-Date: 21.74"
Oct 1, 2025 to May 27, 2026(236 of 239 days covered by obs)
NOAA Normal
31.89"
Departure from Normal
-10.15" : 68% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.47
3.43
0.04
Feb
3.26
3.23
0.03
Mar
4.55
4.32
0.23
Apr
5.16
5.14
0.02
May
4.85
4.79
0.06
Jun
4.53
4.67
-0.14
Jul
3.95
3.79
0.16
Aug
3.31
2.96
0.35
Sep
3.33
3.21
0.12
Oct
3.58
3.49
0.09
Nov
4.02
4.15
-0.13
Dec
3.63
3.74
-0.11
47.64
46.92
0.72