Viewing Station: TN-GY-8 : Altamont 3.9 NW
Dec 27, 2007 - Sep 30, 20266,646 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.45"
September 1-30, 2026(30 of 30 days covered by obs)
NOAA Normal
4.52"
Departure from Normal
-4.07" : 10% of Normal
Year-To-Date: 39.18"
Jan 1 to Sep 30, 2026(273 of 273 days covered by obs)
NOAA Normal
47.25"
Departure from Normal
-8.07" : 83% of Normal
Water Year-To-Date: 49.69"
Oct 1, 2025 to Sep 30, 2026(364 of 365 days covered by obs)
NOAA Normal
62.07"
Departure from Normal
-12.38" : 80% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.90
5.30
0.60
Feb
5.63
5.47
0.16
Mar
5.82
5.99
-0.17
Apr
5.74
5.96
-0.22
May
5.08
5.21
-0.13
Jun
5.70
5.25
0.45
Jul
4.81
5.42
-0.61
Aug
4.05
4.52
-0.47
Sep
4.52
4.00
0.52
Oct
3.61
3.45
0.16
Nov
4.79
4.66
0.13
Dec
6.42
6.28
0.14
62.07
61.51
0.56