Viewing Station: MA-MD-55 : Holliston 0.7 W
Nov 4, 2015 - Aug 20, 20263,114 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.50"
August 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
2.48"
Departure from Normal
-0.98" : 61% of Normal
Year-To-Date: 21.41"
Jan 1 to Aug 20, 2026(229 of 232 days covered by obs)
NOAA Normal
29.67"
Departure from Normal
-8.26" : 72% of Normal
Water Year-To-Date: 33.11"
Oct 1, 2025 to Aug 20, 2026(321 of 324 days covered by obs)
NOAA Normal
43.13"
Departure from Normal
-10.02" : 77% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.75
3.76
-0.01
Feb
3.32
3.26
0.06
Mar
4.39
4.40
-0.01
Apr
4.26
4.30
-0.04
May
3.66
3.49
0.17
Jun
4.15
4.18
-0.03
Jul
3.66
3.62
0.04
Aug
3.84
3.91
-0.07
Sep
3.96
3.89
0.07
Oct
4.89
4.74
0.15
Nov
3.92
3.85
0.07
Dec
4.65
4.74
-0.09
48.45
48.14
0.31