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Viewing Station:
MD-CC-15 : Charlestown 0.4 WSW
Sep 1, 2013 - Sep 10, 2026
4,640 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: 0.97"
September 2026
September 1-10, 2026
(
10
of
10
days covered by obs)
PRISM Normal
1.53"
Departure from Normal
-0.56" : 63% of Normal
Year-To-Date: 28.18"
2026
Jan 1 to Sep 10, 2026
(
251
of
253
days covered by obs)
PRISM Normal
32.81"
Departure from Normal
-4.63" : 86% of Normal
Water Year-To-Date: 34.66"
Oct 2025 - Sept 2026
Oct 1, 2025 to Sep 10, 2026
(
342
of
345
days covered by obs)
PRISM Normal
44.50"
Departure from Normal
-9.84" : 78% 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