Viewing Station: TN-BT-34 : Maryville 4.9 S
May 18, 2017 - May 13, 20252,600 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.71"
May 1-13, 2025(13 of 13 days covered by obs)
NOAA Normal
1.72"
Departure from Normal
1.99" : 216% of Normal
Year-To-Date: 21.20"
Jan 1 to May 13, 2025(128 of 133 days covered by obs)
NOAA Normal
21.54"
Departure from Normal
-0.34" : 98% of Normal
Water Year-To-Date: 28.22"
Oct 1, 2024 to May 13, 2025(216 of 225 days covered by obs)
NOAA Normal
34.47"
Departure from Normal
-6.25" : 82% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
4.82
5.00
-0.18
Feb
5.04
4.96
0.08
Mar
5.22
5.27
-0.05
Apr
4.74
5.12
-0.38
May
4.09
4.61
-0.52
Jun
4.98
4.81
0.17
Jul
4.51
5.57
-1.06
Aug
4.04
3.94
0.10
Sep
3.83
4.09
-0.26
Oct
3.15
3.23
-0.08
Nov
4.53
4.44
0.09
Dec
5.25
5.50
-0.25
54.20
56.54
-2.34