Viewing Station: MA-DK-21 : Chilmark 0.9 E
Jan 31, 2012 - Dec 12, 20251,890 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.24"
December 1-12, 2025(12 of 12 days covered by obs)
NOAA Normal
1.86"
Departure from Normal
-0.62" : 67% of Normal
Year-To-Date: 40.45"
Jan 1 to Dec 12, 2025(346 of 346 days covered by obs)
NOAA Normal
44.14"
Departure from Normal
-3.69" : 92% of Normal
Water Year-To-Date: 11.50"
Oct 1, 2025 to Dec 12, 2025(73 of 73 days covered by obs)
NOAA Normal
10.65"
Departure from Normal
0.85" : 108% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.93
4.13
-0.20
Feb
3.53
3.63
-0.10
Mar
4.90
5.01
-0.11
Apr
4.18
4.31
-0.13
May
3.42
3.44
-0.02
Jun
3.44
3.34
0.10
Jul
2.67
2.75
-0.08
Aug
3.40
3.55
-0.15
Sep
4.02
3.80
0.22
Oct
4.59
4.64
-0.05
Nov
4.20
4.15
0.05
Dec
4.81
4.98
-0.17
47.09
47.73
-0.64