Viewing Station: IA-DW-6 : Hopkinton 5.4 WSW
Apr 15, 2014 - Sep 15, 20254,081 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.07"
September 1-15, 2025(15 of 15 days covered by obs)
NOAA Normal
1.84"
Departure from Normal
-1.77" : 4% of Normal
Year-To-Date: 32.49"
Jan 1 to Sep 15, 2025(244 of 258 days covered by obs)
NOAA Normal
29.65"
Departure from Normal
2.84" : 110% of Normal
Water Year-To-Date: 40.55"
Oct 1, 2024 to Sep 15, 2025(335 of 350 days covered by obs)
NOAA Normal
36.55"
Departure from Normal
4.00" : 111% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.23
1.19
0.04
Feb
1.41
1.37
0.04
Mar
2.19
2.10
0.09
Apr
3.90
3.82
0.08
May
4.56
4.53
0.03
Jun
5.93
5.75
0.18
Jul
4.52
4.67
-0.15
Aug
4.06
4.23
-0.17
Sep
3.69
3.69
0.00
Oct
3.04
3.01
0.03
Nov
2.17
2.19
-0.02
Dec
1.69
1.64
0.05
38.39
38.19
0.20