Viewing Station: VT-WH-45 : Londonderry 3.5 E
May 28, 2025 - May 18, 2026199 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.61"
May 1-18, 2026(15 of 18 days covered by obs)
NOAA Normal
2.40"
Departure from Normal
0.21" : 109% of Normal
Year-To-Date: 13.38"
Jan 1 to May 18, 2026(105 of 138 days covered by obs)
NOAA Normal
17.39"
Departure from Normal
-4.01" : 77% of Normal
Water Year-To-Date: 25.72"
Oct 1, 2025 to May 18, 2026(172 of 230 days covered by obs)
NOAA Normal
30.96"
Departure from Normal
-5.24" : 83% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.74
3.82
-0.08
Feb
3.21
3.41
-0.20
Mar
3.80
4.01
-0.21
Apr
4.24
4.13
0.11
May
4.14
4.24
-0.10
Jun
4.74
4.99
-0.25
Jul
4.31
4.48
-0.17
Aug
4.15
4.42
-0.27
Sep
4.02
4.13
-0.11
Oct
5.12
5.30
-0.18
Nov
3.89
4.01
-0.12
Dec
4.56
4.64
-0.08
49.92
51.58
-1.66