Viewing Station: MA-WR-131 : Boylston 1.5 S
Nov 26, 2023 - May 29, 2026718 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.46"
May 1-31, 2026(28 of 31 days covered by obs)
NOAA Normal
3.62"
Departure from Normal
0.84" : 123% of Normal
Year-To-Date: 13.22"
Jan 1 to May 31, 2026(111 of 151 days covered by obs)
NOAA Normal
19.22"
Departure from Normal
-6.00" : 69% of Normal
Water Year-To-Date: 24.38"
Oct 1, 2025 to May 31, 2026(196 of 243 days covered by obs)
NOAA Normal
32.60"
Departure from Normal
-8.22" : 75% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.71
3.52
0.19
Feb
3.31
3.27
0.04
Mar
4.30
4.21
0.09
Apr
4.28
4.15
0.13
May
3.62
3.59
0.03
Jun
4.25
4.12
0.13
Jul
3.74
3.69
0.05
Aug
4.11
4.03
0.08
Sep
4.14
3.86
0.28
Oct
4.94
4.89
0.05
Nov
3.98
3.68
0.30
Dec
4.46
4.48
-0.02
48.84
47.49
1.35