National Weather Service Weather Forecast Office

GIVEN THE RECORD BREAKING WARM WEATHER THAT THE MIDWEST
EXPERIENCED IN MARCH...WE THOUGHT IT MAY BE PRUDENT TO REMIND
FOLKS THAT THE AVERAGE LAST FROST/FREEZE DATE FOR ST. LOUIS IS
APRIL 5TH AND THE LATEST SPRING FROST OCCURRED ON MAY 10 IN 1966.

FREEZING TEMPERATURES WERE EXPERIENCED IN APRIL FOR SEVEN OF THE TOP
TEN WARMEST MARCHES ON RECORD...WITH THREE OF THOSE BEING HARD KILLING
FREEZES WITH TEMPERATURES FALLING BELOW 28 DEGREES.

RANK  YEAR   DATE OF         LOW TEMP OF    LOW TEMP
             LAST FROST      LAST FROST     IN APRIL

1.    2012      ?                 ?            ?
2.    1910   APRIL 24            25F          25F
3.    1946   NO APRIL FROST
4.    1878   NO APRIL FROST *
5.    1938   APRIL 9             30F          28F (APRIL 3)
5.**  1921   APRIL 17            30F          30F
7.    2007   APRIL 9             29F          23F (APRIL 7)
8.    1945   APRIL 5             31F          31F
9.    1907   APRIL 17            31F          30F (APRIL 1/13/14)
10.   1918   APRIL 10            30F          30F


*  EARLIEST LAST FROST OCCURRED ON FEBRUARY 27 1878
** 1938/1921 ARE TIED FOR FIFTH WARMEST MARCH ON RECORD.


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CVKING