Viewing Station: PA-CM-11 : Johnstown 3.6 SE
Dec 18, 2020 - Aug 21, 20262,109 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.19"
August 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
2.60"
Departure from Normal
2.59" : 200% of Normal
Year-To-Date: 35.10"
Jan 1 to Aug 21, 2026(230 of 233 days covered by obs)
NOAA Normal
29.51"
Departure from Normal
5.59" : 119% of Normal
Water Year-To-Date: 42.79"
Oct 1, 2025 to Aug 21, 2026(322 of 325 days covered by obs)
NOAA Normal
39.58"
Departure from Normal
3.21" : 108% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.39
3.50
-0.11
Feb
3.05
3.22
-0.17
Mar
3.84
3.79
0.05
Apr
3.92
4.03
-0.11
May
4.14
3.95
0.19
Jun
4.28
4.54
-0.26
Jul
4.29
4.29
0.00
Aug
3.84
4.15
-0.31
Sep
3.93
3.83
0.10
Oct
3.32
3.35
-0.03
Nov
3.23
3.32
-0.09
Dec
3.52
3.72
-0.20
44.75
45.69
-0.94