Viewing Station: MA-HS-21 : Northampton 0.6 ESE
May 1, 2017 - May 14, 20262,472 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.28"
May 1-14, 2026(10 of 14 days covered by obs)
NOAA Normal
1.65"
Departure from Normal
-0.37" : 77% of Normal
Year-To-Date: 11.69"
Jan 1 to May 14, 2026(123 of 134 days covered by obs)
NOAA Normal
14.94"
Departure from Normal
-3.25" : 78% of Normal
Water Year-To-Date: 20.92"
Oct 1, 2025 to May 14, 2026(205 of 226 days covered by obs)
NOAA Normal
27.02"
Departure from Normal
-6.10" : 77% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.24
3.37
-0.13
Feb
2.84
3.01
-0.17
Mar
3.49
3.69
-0.20
Apr
3.72
3.91
-0.19
May
3.66
3.70
-0.04
Jun
4.49
4.48
0.01
Jul
4.19
4.10
0.09
Aug
4.24
4.14
0.10
Sep
4.49
4.52
-0.03
Oct
4.63
4.80
-0.17
Nov
3.42
3.54
-0.12
Dec
4.03
4.26
-0.23
46.44
47.52
-1.08