Viewing Station: IA-BT-11 : Mount Auburn 2.2 NNW
Aug 26, 2016 - Dec 17, 20253,572 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.03"
December 1-17, 2025(14 of 17 days covered by obs)
NOAA Normal
0.82"
Departure from Normal
-0.79" : 4% of Normal
Year-To-Date: 32.98"
Jan 1 to Dec 17, 2025(336 of 351 days covered by obs)
NOAA Normal
35.76"
Departure from Normal
-2.78" : 92% of Normal
Water Year-To-Date: 2.19"
Oct 1, 2025 to Dec 17, 2025(74 of 78 days covered by obs)
NOAA Normal
5.60"
Departure from Normal
-3.41" : 39% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.06
1.10
-0.04
Feb
1.21
1.22
-0.01
Mar
1.95
2.04
-0.09
Apr
3.78
3.78
0.00
May
4.62
4.76
-0.14
Jun
5.47
5.58
-0.11
Jul
4.25
4.43
-0.18
Aug
4.33
4.19
0.14
Sep
3.49
3.60
-0.11
Oct
2.80
2.88
-0.08
Nov
1.98
2.05
-0.07
Dec
1.50
1.53
-0.03
36.44
37.16
-0.72