Climate for Station: Ann Arbor u of Mich, Michigan, United States

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Station Statistics

10-Year Trend

High: +1.02 °C/decade

Low: -0.96 °C/decade

Rain: -0.12 mm/decade

25-Year Trend

High: +0.45 °C/decade

Low: -0.26 °C/decade

Rain: -0.01 mm/decade

50-Year Trend

High: +0.40 °C/decade

Low: +0.21 °C/decade

Rain: -0.02 mm/decade

All-Time Trend

High: +0.12 °C/decade

Low: +0.10 °C/decade

Rain: +0.02 mm/decade

Percentage Above-Average Days

Last 12 Months: 55.9%

This Year: 8.3%

Precipitation Concentration Index (PCI) ℹ️

Last 12 Months: 9.9

Historical Average: 12.1

Percentile Rank of Last 12 Months ℹ️

High: 86th percentile

Low: 66th percentile

Rain: 63rd percentile

Change in Variance ℹ️

High: -7.9%

Low: -10.4%

Intraday: +49.9%

Data Coverage

83.6%

First Year of Data

1900

Station Location

Weather Records

Max HighAvg HighMin HighMax AvgAvg AvgMin AvgMax LowAvg LowMin LowMax PrecipitationAvg PrecipitationMax SnowAvg Snow
Record40.6 °C-20.6 °C31.9 °C-22.7 °C27.2 °C-30.0 °C100.1 mm1524.0 mm
January22.2 °C-0.4 °C-20.6 °C14.1 °C-4.9 °C-22.7 °C11.7 °C-8.2 °C-30.0 °C49.6 mm1.6 mm356.0 mm9.6 mm
February22.8 °C0.8 °C-19.4 °C14.3 °C-3.6 °C-20.2 °C11.7 °C-7.9 °C-29.4 °C64.8 mm1.6 mm279.0 mm9.4 mm
March29.4 °C7.0 °C-12.8 °C19.4 °C1.9 °C-15.9 °C16.7 °C-3.1 °C-22.2 °C59.7 mm1.9 mm1524.0 mm5.9 mm
April31.1 °C14.5 °C-3.9 °C23.6 °C8.1 °C-6.7 °C19.4 °C2.7 °C-13.9 °C59.7 mm2.6 mm196.0 mm1.6 mm
May35.0 °C21.1 °C2.2 °C27.1 °C14.5 °C3.2 °C23.3 °C8.7 °C-6.7 °C65.8 mm2.8 mm89.0 mm0.1 mm
June39.4 °C26.3 °C7.8 °C29.0 °C19.7 °C9.5 °C26.7 °C14.0 °C1.7 °C83.6 mm2.9 mm0.0 mm0.0 mm
July40.6 °C28.6 °C16.1 °C31.9 °C22.2 °C13.8 °C27.2 °C16.5 °C5.0 °C72.4 mm2.5 mm0.0 mm0.0 mm
August40.0 °C27.4 °C15.6 °C29.6 °C21.2 °C11.2 °C26.7 °C15.6 °C3.9 °C94.7 mm2.3 mm0.0 mm0.0 mm
September37.2 °C23.6 °C6.1 °C27.5 °C17.0 °C5.5 °C25.6 °C11.8 °C-2.8 °C100.1 mm2.5 mm0.0 mm0.0 mm
October32.8 °C16.7 °C0.0 °C23.2 °C10.1 °C-1.2 °C19.4 °C5.8 °C-7.2 °C72.4 mm2.1 mm61.0 mm0.1 mm
November25.6 °C8.5 °C-8.9 °C21.0 °C3.7 °C-11.3 °C16.1 °C-0.0 °C-19.4 °C58.2 mm2.1 mm381.0 mm3.3 mm
December19.4 °C1.7 °C-15.0 °C16.5 °C-1.9 °C-19.2 °C15.6 °C-5.5 °C-28.9 °C54.6 mm1.8 mm401.0 mm7.8 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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