Viewing Station: IA-AL-7 : Harpers Ferry 6.4 SSW
May 29, 2020 - Mar 21, 20262,022 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.59"
March 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
1.35"
Departure from Normal
0.24" : 117% of Normal
Year-To-Date: 3.63"
Jan 1 to Mar 21, 2026(77 of 80 days covered by obs)
NOAA Normal
3.72"
Departure from Normal
-0.09" : 97% of Normal
Water Year-To-Date: 6.68"
Oct 1, 2025 to Mar 21, 2026(165 of 172 days covered by obs)
NOAA Normal
9.90"
Departure from Normal
-3.22" : 67% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.20
1.21
-0.01
Feb
1.17
1.20
-0.03
Mar
2.00
1.97
0.03
Apr
3.85
3.89
-0.04
May
4.63
4.68
-0.05
Jun
5.75
5.67
0.08
Jul
4.44
4.32
0.12
Aug
4.08
4.05
0.03
Sep
4.02
3.82
0.20
Oct
2.67
2.70
-0.03
Nov
2.06
2.03
0.03
Dec
1.45
1.52
-0.07
37.32
37.06
0.26