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HOME > Outlook Maps, Graphs and Tables > Base Period Normals > Apr-May-Jun 90-Day Means
 
 
 

1971-2000 Base Period Normals
90-Day Mean for Apr-May-Jun

(Click on images to expand them.)

These base period means are a preliminary set and are provided for the convenience of our customers. The final set will be implimented in our outlooks on May 17.
500hPa
Heights
(60m contours)

 500hPa Heights 		Change
[(1971-2000) - (1961-90)]
(10m contours)

 Change during Past Decade
Mean Surface
Temperature
(°F)

 Median Surface Temperature 		Change
[(1971-2000) - (1961-90)]
(Tenth of °F)

 Change during Past Decade
Median Total
Precipitation
(Inches)

 Median Total Precipitation 		Change
[(1971-2000) - (1961-90)]
(Tenths of an Inch)

 Change during Past Decade
Tabular Data
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Page last modified: January 31, 2003		 Disclaimer Privacy Notice