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

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

(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.

(60m contours)

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

Change during Past Decade
Mean Surface

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

Change during Past Decade
Median Total

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

Change during Past Decade
Tabular Data

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Climate Prediction Center Web Team
Page last modified: January 31, 2003
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