In the United States new 30-year normals are calculated every ten years. The most recent normals (using 1991-2020 data) are listed below, along with the previous set of normals (from 1981-2010), and the difference between the two normals packages. Click on the images to see larger versions.
Or, click here to see comparisons between the new normals and the previous (1981-2010) set of normals in graphical format for local cities (BWG, FFT, LEX, SDF, LOU).
TEMPERATURE
ANNUAL | ||||||||
1991-2020 | Difference Between Old and New | 1981-2010 | ||||||
Mean | Maximum | Minimum | Mean | Maximum | Minimum | Mean | Maximum | Minimum |
SEASONAL | |||||||||
1991-2020 | Difference Between Old and New | 1981-2010 | |||||||
Mean | Maximum | Minimum | Mean | Maximum | Minimum | Mean | Maximum | Minimum | |
Spring | |||||||||
Summer | |||||||||
Autumn | |||||||||
Winter |
PRECIPITATION
ANNUAL | |||
Difference Between Old and New | |||
1991-2020 | Percentage Change | Value Difference | 1981-2010 |
SEASONAL | ||||
Difference Between Old and New | ||||
1991-2020 | Percentage Change | Value Difference | 1981-2010 | |
Spring | ||||
Summer | ||||
Autumn | ||||
Winter |
MONTHLY | ||||
Difference Between Old and New | ||||
1991-2020 | Percentage Change | Value Difference | 1981-2010 | |
January | ||||
February | ||||
March | ||||
April | ||||
May | ||||
June | ||||
July | ||||
August | ||||
September | ||||
October | ||||
November | ||||
December |
DEW POINT
The following maps are from the PRISM Climate Group at Oregon State University
January | February | March | April |
May | June | July | August |
September | October | November | December |