Viewing Station: MA-MD-104 : Littleton 2.8 NNW
Oct 5, 2017 - Sep 8, 20263,047 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.00"
September 1-8, 2026(8 of 8 days covered by obs)
NOAA Normal
1.03"
Departure from Normal
-0.03" : 97% of Normal
Year-To-Date: 20.67"
Jan 1 to Sep 8, 2026(251 of 251 days covered by obs)
NOAA Normal
30.92"
Departure from Normal
-10.25" : 67% of Normal
Water Year-To-Date: 29.93"
Oct 1, 2025 to Sep 8, 2026(343 of 343 days covered by obs)
NOAA Normal
43.65"
Departure from Normal
-13.72" : 69% 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