Record Report
Issued by NWS La Crosse, WI

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SXUS73 KARX 010752
RERRST

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
251 AM CDT TUE MAY 1 2018

...COLDEST APRIL AVERAGE TEMPERATURE IN ROCHESTER MN...
...COLDEST APRIL AVERAGE MAXIMUM TEMPERATURE IN ROCHESTER MN...
...COLDEST APRIL AVERAGE MINIMUM TEMPERATURE IN ROCHESTER MN...
...SNOWIEST APRIL IN ROCHESTER MN...
...GREATEST AVERAGE APRIL SNOW DEPTH IN ROCHESTER MN...

DURING APRIL 2018, THE AVERAGE TEMPERATURE WAS ROCHESTER
INTERNATIONAL AIRPORT WAS 34.5 DEGREES.  THIS WAS 12.2 DEGREES
COLDER THAN THE 1981 TO 2010 AVERAGE OF 46.7 DEGREES.  THIS BROKE
THE PREVIOUS RECORD OF 37.6 DEGREES SET BACK IN 1950.
THIS WAS THE FIRST TIME THAT A MONTHLY COLD RECORD HAS OCCURRED
SINCE SEPTEMBER 1993.

THE AVERAGE MAXIMUM TEMPERATURE WAS ROCHESTER INTERNATIONAL AIRPORT
WAS 44.5 DEGREES.  THIS WAS 12.5 DEGREES COLDER THAN THE 1981 TO
2010 AVERAGE OF 57.0 DEGREES.  THIS BROKE THE PREVIOUS RECORD OF
45.9 DEGREES SET BACK IN 1961.

THE AVERAGE MINIMUM TEMPERATURE WAS ROCHESTER INTERNATIONAL AIRPORT
WAS 24.5 DEGREES.  THIS WAS 11.9 DEGREES COLDER THAN THE 1981 TO
2010 AVERAGE OF 36.4 DEGREES.  THIS BROKE THE PREVIOUS RECORD OF
28.1 DEGREES SET BACK IN 1909.

17 INCHES OF SNOW WAS RECORDED BY THE OFFICIAL NWS SNOW OBSERVER
NEAR ROCHESTER INTERNATIONAL AIRPORT.  NORMALLY, ONLY 3.3 INCHES OF
SNOW FALLS DURING APRIL.  THE BROKE THE PREVIOUS SNOWFALL RECORD FOR
APRIL WHICH WAS 16.4 INCHES IN 1983.

THE AVERAGE APRIL SNOW DEPTH NEAR ROCHESTER INTERNATIONAL AIRPORT
WAS 1.6 INCHES.  THIS ESTABLISHED A NEW RECORD.  THE PREVIOUS RECORD
WAS 1.3 INCHES IN 1962 AND 1973.

$$

BOYNE



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