Climate for Station: Hanover, New Hampshire, United States

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Station Statistics

10-Year Trend

High: -0.44 °C/decade

Low: -0.19 °C/decade

Rain: +0.13 mm/decade

25-Year Trend

High: +0.86 °C/decade

Low: +0.81 °C/decade

Rain: -0.13 mm/decade

50-Year Trend

High: +0.27 °C/decade

Low: +0.61 °C/decade

Rain: -0.02 mm/decade

All-Time Trend

High: +0.16 °C/decade

Low: +0.24 °C/decade

Rain: +0.01 mm/decade

Percentage Above-Average Days

Last 12 Months: 52.6%

This Year: 50.0%

Precipitation Concentration Index (PCI) ℹ️

Last 12 Months: 10.8

Historical Average: 11.9

Percentile Rank of Last 12 Months ℹ️

High: 82nd percentile

Low: 85th percentile

Rain: 31st percentile

Change in Variance ℹ️

High: -5.4%

Low: -15.5%

Intraday: -18.7%

Data Coverage

79.4%

First Year of Data

1884

Station Location

Weather Records

Max HighAvg HighMin HighMax AvgAvg AvgMin AvgMax LowAvg LowMin LowMax PrecipitationAvg PrecipitationMax SnowAvg Snow
Record39.4 °C-24.4 °C28.8 °C-28.3 °C25.0 °C-40.0 °C143.5 mm622.0 mm
January17.8 °C-1.8 °C-21.7 °C11.7 °C-7.4 °C-28.3 °C10.6 °C-12.7 °C-36.7 °C57.4 mm2.3 mm381.0 mm16.6 mm
February18.9 °C-0.1 °C-20.6 °C9.6 °C-5.9 °C-25.1 °C9.4 °C-12.1 °C-40.0 °C53.8 mm2.3 mm622.0 mm17.1 mm
March30.0 °C5.5 °C-14.4 °C17.5 °C-0.9 °C-20.0 °C10.6 °C-6.1 °C-35.0 °C104.1 mm2.5 mm432.0 mm11.4 mm
April33.9 °C13.1 °C-3.9 °C22.6 °C6.2 °C-12.4 °C16.7 °C0.2 °C-17.8 °C60.7 mm2.7 mm445.0 mm3.7 mm
May35.6 °C20.4 °C3.9 °C25.9 °C12.9 °C-0.0 °C24.4 °C6.3 °C-6.7 °C74.5 mm2.9 mm224.0 mm0.3 mm
June37.0 °C25.0 °C10.0 °C28.6 °C17.6 °C7.9 °C22.2 °C11.4 °C-1.7 °C73.7 mm3.1 mm0.0 mm0.0 mm
July38.3 °C27.6 °C13.9 °C28.8 °C20.2 °C9.7 °C25.0 °C14.3 °C2.8 °C143.5 mm3.3 mm13.0 mm0.0 mm
August39.4 °C26.3 °C12.8 °C28.4 °C19.1 °C8.6 °C23.9 °C13.3 °C0.6 °C111.2 mm3.0 mm94.0 mm0.9 mm
September36.1 °C21.9 °C5.0 °C25.5 °C15.0 °C2.6 °C22.2 °C9.2 °C-5.6 °C84.5 mm2.9 mm0.0 mm0.0 mm
October30.6 °C15.2 °C0.0 °C21.5 °C8.4 °C-2.7 °C21.7 °C3.2 °C-11.7 °C93.7 mm2.7 mm152.0 mm0.3 mm
November26.1 °C7.3 °C-10.6 °C21.0 °C2.2 °C-14.2 °C17.2 °C-2.2 °C-24.4 °C96.8 mm2.8 mm406.0 mm4.7 mm
December24.4 °C0.2 °C-24.4 °C13.7 °C-3.8 °C-23.3 °C10.6 °C-9.2 °C-38.3 °C61.0 mm2.5 mm495.0 mm13.7 mm

Plots

Current Year Climate Trends vs Historical

Current Year Climate Trends vs Historical - Max Temperature this Year
Current Year Climate Trends vs Historical - Min Temperature this Year
Current Year Climate Trends vs Historical - Average Temperature this Year
Current Year Climate Trends vs Historical - Rainfall this Year

Max Temperature this Year | 1 of 4

Climate 12-Month Moving Averages

Climate 12-Month Moving Averages - Max Temperature 12-Month MA
Climate 12-Month Moving Averages - Min Temperature 12-Month MA
Climate 12-Month Moving Averages - Average Temperature 12-Month MA
Climate 12-Month Moving Averages - Rainfall 12-Month MA

Max Temperature 12-Month MA | 1 of 4

Daily Average Temperatures Throughout the Year

Daily Average Temperatures Throughout the Year - Average Max Temperature Throughout Year
Daily Average Temperatures Throughout the Year - Average Min Temperature Throughout Year
Daily Average Temperatures Throughout the Year - Average Temperature Throughout Year

Average Max Temperature Throughout Year | 1 of 3

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