Viewing Station: VA-RP-6 : Boston 2.2 WSW
Sep 11, 2021 - May 20, 20261,392 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.70"
May 1-20, 2026(19 of 20 days covered by obs)
NOAA Normal
2.88"
Departure from Normal
-1.18" : 59% of Normal
Year-To-Date: 11.53"
Jan 1 to May 20, 2026(139 of 140 days covered by obs)
NOAA Normal
15.15"
Departure from Normal
-3.62" : 76% of Normal
Water Year-To-Date: 15.89"
Oct 1, 2025 to May 20, 2026(228 of 232 days covered by obs)
NOAA Normal
25.16"
Departure from Normal
-9.27" : 63% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.06
3.00
0.06
Feb
2.35
2.53
-0.18
Mar
3.48
3.56
-0.08
Apr
3.38
3.45
-0.07
May
4.46
4.67
-0.21
Jun
4.66
4.49
0.17
Jul
4.23
4.22
0.01
Aug
3.96
3.93
0.03
Sep
4.54
4.58
-0.04
Oct
3.61
3.68
-0.07
Nov
3.07
3.23
-0.16
Dec
3.33
3.39
-0.06
44.13
44.73
-0.60