Viewing Station: IL-DK-5 : Cortland 0.3 SSW
Jul 23, 2007 - Sep 18, 20266,967 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 3.22"
September 1-19, 2026(18 of 19 days covered by obs)
NOAA Normal
2.17"
Departure from Normal
1.05" : 148% of Normal
Year-To-Date: 25.85"
Jan 1 to Sep 19, 2026(261 of 262 days covered by obs)
NOAA Normal
28.56"
Departure from Normal
-2.71" : 91% of Normal
Water Year-To-Date: 32.30"
Oct 1, 2025 to Sep 19, 2026(353 of 354 days covered by obs)
NOAA Normal
36.08"
Departure from Normal
-3.78" : 90% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.76
1.71
0.05
Feb
1.72
1.74
-0.02
Mar
2.20
2.23
-0.03
Apr
3.63
3.46
0.17
May
4.56
4.74
-0.18
Jun
4.74
4.53
0.21
Jul
3.88
3.75
0.13
Aug
3.90
3.86
0.04
Sep
3.43
3.32
0.11
Oct
3.10
2.98
0.12
Nov
2.47
2.31
0.16
Dec
1.95
1.98
-0.03
37.34
36.61
0.73