Viewing Station: NC-BC-25 : Swannanoa 2.6 WNW
Mar 7, 2009 - Sep 7, 20262,232 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.11"
September 1-14, 2026(2 of 14 days covered by obs)
NOAA Normal
1.79"
Departure from Normal
-1.68" : 6% of Normal
Year-To-Date: 20.66"
Jan 1 to Sep 14, 2026(51 of 257 days covered by obs)
NOAA Normal
33.42"
Departure from Normal
-12.76" : 62% of Normal
Water Year-To-Date: 23.02"
Oct 1, 2025 to Sep 14, 2026(63 of 349 days covered by obs)
NOAA Normal
43.48"
Departure from Normal
-20.46" : 53% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.63
3.56
0.07
Feb
3.08
3.06
0.02
Mar
3.90
3.76
0.14
Apr
3.98
4.05
-0.07
May
4.00
4.03
-0.03
Jun
4.01
4.17
-0.16
Jul
4.72
4.41
0.31
Aug
4.31
4.13
0.18
Sep
3.83
4.18
-0.35
Oct
3.11
2.94
0.17
Nov
3.30
3.03
0.27
Dec
3.65
3.67
-0.02
45.52
44.99
0.53