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Viewing Station:
MD-CC-15 : Charlestown 0.4 WSW
Sep 1, 2013 - Aug 11, 2026
4,610 Total Observations
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Station Overview
Climatology
Precip Summary
Year-Over-Year
Precip Calendar
Precip Distribution
Obs Calendar
Obs Tables
Station Overview
Climatology
Precip Summary
Year-Over-Year
Precip Calendar
Precip Distribution
Obs Calendar
Obs Tables
Climatology
Informational
Educational
Precipitation Normals Comparison
PRISM
Month-To-Date: 1.74"
August 2026
August 1-11, 2026
(
11
of
11
days covered by obs)
PRISM Normal
1.57"
Departure from Normal
0.17" : 111% of Normal
Year-To-Date: 23.80"
2026
Jan 1 to Aug 11, 2026
(
221
of
223
days covered by obs)
PRISM Normal
28.43"
Departure from Normal
-4.63" : 84% of Normal
Water Year-To-Date: 30.28"
Oct 2025 - Sept 2026
Oct 1, 2025 to Aug 11, 2026
(
312
of
315
days covered by obs)
PRISM Normal
40.12"
Departure from Normal
-9.84" : 75% of Normal
Month
PRISM Normals
Jan
3.39
Feb
2.79
Mar
4.30
Apr
3.59
May
3.87
Jun
4.37
Jul
4.55
Aug
4.42
Sep
4.60
Oct
4.25
Nov
3.26
Dec
4.18
47.57