Viewing Station: MA-BA-71 : Chatham 1.6 WNW
Aug 4, 2018 - May 11, 2025565 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.54"
May 1-12, 2025(6 of 12 days covered by obs)
NOAA Normal
1.18"
Departure from Normal
0.36" : 130% of Normal
Year-To-Date: 9.38"
Jan 1 to May 12, 2025(36 of 132 days covered by obs)
NOAA Normal
16.54"
Departure from Normal
-7.16" : 57% of Normal
Water Year-To-Date: 16.06"
Oct 1, 2024 to May 12, 2025(59 of 224 days covered by obs)
NOAA Normal
29.39"
Departure from Normal
-13.33" : 55% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.94
4.01
-0.07
Feb
3.28
3.78
-0.50
Mar
4.11
4.39
-0.28
Apr
4.03
4.08
-0.05
May
3.05
3.33
-0.28
Jun
3.23
3.07
0.16
Jul
2.36
2.56
-0.20
Aug
3.43
3.15
0.28
Sep
3.63
3.70
-0.07
Oct
4.22
4.24
-0.02
Nov
3.96
4.07
-0.11
Dec
4.67
4.70
-0.03
43.91
45.08
-1.17