Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >
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 |
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| SEASONAL | |||||||||
| 1991-2020 | Difference Between Old and New | 1981-2010 | |||||||
| Mean | Maximum | Minimum | Mean | Maximum | Minimum | Mean | Maximum | Minimum | |
| Spring |  |
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| Summer |  |
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| Autumn |  |
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| Winter |  |
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| MONTHLY | |||||||||
| 1991-2020 | Difference Between Old and New | 1981-2010 | |||||||
| Mean | Maximum | Minimum | Mean | Maximum | Minimum | Mean | Maximum | Minimum | |
| January |  |
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| February |  |
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| March |  |
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| April |  |
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| May |  |
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| June |  |
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| July |  |
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| August |  |
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| September |  |
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| October |  |
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| November |  |
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| December |  |
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PRECIPITATION
| ANNUAL | |||
| Difference Between Old and New | |||
| 1991-2020 | Percentage Change | Value Difference | 1981-2010 |
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| SEASONAL | ||||
| Difference Between Old and New | ||||
| 1991-2020 | Percentage Change | Value Difference | 1981-2010 | |
| Spring |  |
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| Summer |  |
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| Autumn |  |
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| Winter |  |
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| MONTHLY | ||||
| Difference Between Old and New | ||||
| 1991-2020 | Percentage Change | Value Difference | 1981-2010 | |
| January |  |
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| February |  |
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| March |  |
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| April |  |
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| May |  |
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| June |  |
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| July |  |
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| August |  |
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| September |  |
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| October |  |
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| November |  |
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| December |  |
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DEW POINT
The following maps are from the PRISM Climate Group at Oregon State University
| January | February | March | April |
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| May | June | July | August |
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| September | October | November | December |
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