Climate Working Group
Period of Change
Observed (1950-2006)
Mid 21st Century (1980-2055)
Late 21st Century (1980-2090)
Scenario
A2
A1B
B1
Variable
Temperature
Precipitation
Temperature Extremes
Precipitation Extremes
Specific Variable
Mean temperature
Daily high temperature
Daily low temperature
Daily temperature range
10th Percentile
90th Percentile
Specific Variable
Mean precipitation
10th Percentile
90th Percentile
Specific Variable
Frequency of hot days (high temp ≥ 90°F)
Frequency of hot days (high temp ≥ 100°F)
Frequency of cold days (high temp ≤ 20°F)
Frequency of cold nights (low temp ≤ 0°F)
Date of first autumn freeze
Date of last spring freeze
Date of spring onset
Number of cooling degree days
Number of heating degree days
Number of freezing degree days
Number of growing degree days
Length of growing season
Specific Variable
Frequency of 1" precipitation
Frequency of 2" precipitation
Frequency of 3" precipitation
Spread among precipitation projections
Probability of precipitation in frozen form
Season
Annual
Winter
Spring
Summer
Autumn
Site
Ashland
Green Bay
La Crosse
Madison
Milwaukee
Rhinelander
Descriptions of model data
Data not available