Viewing Station: MA-BR-63 : Swansea 2.1 W
Mar 21, 2020 - May 11, 20261,242 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.04"
May 1-11, 2026(11 of 11 days covered by obs)
NOAA Normal
1.22"
Departure from Normal
-0.18" : 85% of Normal
Year-To-Date: 11.47"
Jan 1 to May 11, 2026(131 of 131 days covered by obs)
NOAA Normal
17.89"
Departure from Normal
-6.42" : 64% of Normal
Water Year-To-Date: 23.72"
Oct 1, 2025 to May 11, 2026(225 of 223 days covered by obs)
NOAA Normal
31.19"
Departure from Normal
-7.47" : 76% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.92
4.18
-0.26
Feb
3.49
3.63
-0.14
Mar
4.91
5.25
-0.34
Apr
4.35
4.60
-0.25
May
3.43
3.52
-0.09
Jun
3.82
4.01
-0.19
Jul
3.24
3.32
-0.08
Aug
3.57
3.73
-0.16
Sep
3.98
3.93
0.05
Oct
4.45
4.81
-0.36
Nov
4.15
4.32
-0.17
Dec
4.70
5.04
-0.34
48.01
50.34
-2.33