Viewing Station: IL-DP-208 : Naperville 2.0 N
May 22, 2026 - May 27, 20266 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.43"
May 1-27, 2026(6 of 27 days covered by obs)
NOAA Normal
3.98"
Departure from Normal
-3.55" : 11% of Normal
Year-To-Date: 0.43"
Jan 1 to May 27, 2026(6 of 147 days covered by obs)
NOAA Normal
13.93"
Departure from Normal
-13.50" : 3% of Normal
Water Year-To-Date: 0.43"
Oct 1, 2025 to May 27, 2026(6 of 239 days covered by obs)
NOAA Normal
22.08"
Departure from Normal
-21.65" : 2% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.94
2.00
-0.06
Feb
1.79
1.88
-0.09
Mar
2.34
2.30
0.04
Apr
3.88
3.82
0.06
May
4.57
4.69
-0.12
Jun
4.40
4.37
0.03
Jul
3.86
3.84
0.02
Aug
4.05
3.92
0.13
Sep
3.24
3.23
0.01
Oct
3.45
3.47
-0.02
Nov
2.59
2.54
0.05
Dec
2.11
2.11
0.00
38.22
38.17
0.05