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Pegasus, Oaks and Derby Forecast

by Monty Webb

WHAS11.com

Posted on May 3, 2011 at 9:56 PM

High pressure will provide us with a nice day for the Pegasus Parade with highs in the 60s.  A weak weather system arrives Thursday night with a few showers and maybe a stray thunderstorm.  We will have some leftover showers hanging around early Oaks morning, but most of the day will remain dry.  Derby looks great... Partly sunny and highs in the 70s!

Data provided by NWS Louisville

Coldest temperature:  36° May 4, 1940 and May 4, 1957
Coldest high temperature:  47° May 4, 1935 and May 4, 1957
Coldest average daily temperature:  42° May 4, 1957
(The cold temperatures on May 4, 1957 were accompanied by 20 to 25 mph north winds!)

Warmest temperature:  94° May 2, 1959
Warmest low temperature:  72° May 14, 1886
Warmest average daily temperature:  79° May 14, 1886

Wettest:  2.31" of rain May 11, 1918
Frozen precipitation:  On May 6, 1989 sleet was observed from 1:01pm to 1:05pm.
Out of the 136 Derby Days, 62 (46%) experienced rain at some point during the day.
Longest stretch of consecutive wet Derby Days:  6 (1989-1994)
Longest stretch of consecutive dry Derby Days:  12 (1875-1886)

(The above records, unless otherwise noted, are for the entire calendar day -- not necessarily race time)

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