Viewing Station: MA-MD-104 : Littleton 2.8 NNW
Oct 5, 2017 - Dec 15, 20252,789 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.35"
December 1-15, 2025(15 of 15 days covered by obs)
NOAA Normal
2.06"
Departure from Normal
-0.71" : 65% of Normal
Year-To-Date: 36.71"
Jan 1 to Dec 15, 2025(349 of 349 days covered by obs)
NOAA Normal
44.29"
Departure from Normal
-7.58" : 83% of Normal
Water Year-To-Date: 7.62"
Oct 1, 2025 to Dec 15, 2025(76 of 76 days covered by obs)
NOAA Normal
10.53"
Departure from Normal
-2.91" : 72% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.35
3.46
-0.11
Feb
3.16
3.27
-0.11
Mar
4.13
4.21
-0.08
Apr
3.99
4.01
-0.02
May
3.68
3.54
0.14
Jun
4.17
4.11
0.06
Jul
3.66
3.65
0.01
Aug
3.75
3.74
0.01
Sep
3.87
3.78
0.09
Oct
4.67
4.76
-0.09
Nov
3.80
3.68
0.12
Dec
4.26
4.47
-0.21
46.49
46.68
-0.19