Viewing Station: VT-WH-43 : Londonderry 0.1 NE
May 10, 2025 - May 20, 2026270 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.12"
May 1-20, 2026(18 of 20 days covered by obs)
NOAA Normal
2.55"
Departure from Normal
-0.43" : 83% of Normal
Year-To-Date: 7.41"
Jan 1 to May 20, 2026(74 of 140 days covered by obs)
NOAA Normal
16.30"
Departure from Normal
-8.89" : 45% of Normal
Water Year-To-Date: 15.71"
Oct 1, 2025 to May 20, 2026(142 of 232 days covered by obs)
NOAA Normal
28.90"
Departure from Normal
-13.19" : 54% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.43
3.69
-0.26
Feb
2.95
3.28
-0.33
Mar
3.57
3.74
-0.17
Apr
3.80
3.85
-0.05
May
3.95
3.74
0.21
Jun
4.55
4.49
0.06
Jul
4.17
4.19
-0.02
Aug
3.93
4.21
-0.28
Sep
3.82
3.88
-0.06
Oct
4.81
4.90
-0.09
Nov
3.61
3.72
-0.11
Dec
4.18
4.46
-0.28
46.77
48.15
-1.38