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2012 Heat Statistics

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
912 PM EDT WED AUG 1 2012

...2012 HEAT STATISTICS...

WITH TWO THIRDS OF METEOROLOGICAL SUMMER (JUNE THROUGH AUGUST) NOW
BEHIND US...HERE IS A LOOK AT SOME HEAT STATISTICS FOR JULY 2012 AND
THE SUMMER/YEAR SO FAR. TEMPERATURE RECORDS GO BACK TO 1872 FOR
CINCINNATI...1878 FOR COLUMBUS...AND 1893 FOR DAYTON.

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                  TOP 10 WARMEST JULYS ON RECORD

        CINCINNATI           COLUMBUS             DAYTON
     1. 82.3 / 1901      1. 80.5 / 2012*     1. 81.6 / 1934
     2. 82.2 / 1934      2. 80.2 / 2011      2. 81.4 / 1936
     3. 81.9 / 1878         80.2 / 1999      3. 80.7 / 1901
     4. 81.7 / 1936         80.2 / 1934      4. 80.1 / 2012*
     5. 81.5 / 1881      5. 79.9 / 1901      5. 79.9 / 1921
     6. 81.2 / 2012*     6. 79.6 / 1936      6. 79.8 / 2011
     7. 81.1 / 1879         79.6 / 1887      7. 79.4 / 1916
     8. 81.0 / 1887      8. 78.9 / 1955      8. 78.9 / 1931
     9. 80.9 / 2011      9. 78.7 / 1931      9. 78.5 / 1897
    10. 80.0 / 1876         78.7 / 1921     10. 78.4 / 1935

JULY 2012 FINISHED AROUND 5 TO 6 DEGREES ABOVE NORMAL AT EACH OF THE
ABOVE CLIMATE STATIONS. THIS MADE IT THE 6TH WARMEST JULY ON RECORD
AT CINCINNATI...THE 4TH WARMEST JULY ON RECORD AT DAYTON...AND THE
ALL-TIME WARMEST JULY ON RECORD AT COLUMBUS.

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             MOST NUMBER OF DAYS OF 90+ DEGREES IN JULY

        CINCINNATI           COLUMBUS             DAYTON
     1.  24 / 1934       1.  22 / 2012*      1.  26 / 1901
         24 / 1901           22 / 1955       2.  21 / 1898
     3.  23 / 1921       3.  20 / 1999       3.  20 / 1934
     4.  21 / 2012*          20 / 1901           20 / 1916
         21 / 1936       5.  18 / 2011       5.  19 / 2012*
         21 / 1930           18 / 1949           19 / 2011
     7.  20 / 2011       7.  17 / 1936           19 / 1944
         20 / 1944           17 / 1934           19 / 1936
     9.  19 / 1983           17 / 1921           19 / 1921
         19 / 1887                               19 / 1894

THE NUMBER OF DAYS WITH TEMPERATURES REACHING 90 DEGREES OR HIGHER
(THIS INCLUDES THOSE DAYS REACHING 100 DEGREES OR HIGHER) IN JULY
2012 WAS AMONG THE MOST EVER RECORDED DURING ANY JULY AT ALL THREE
CLIMATE STATIONS. DAYTON TIED FOR 5TH WITH 19 DAYS...CINCINNATI TIED
FOR 4TH WITH 21 DAYS...AND COLUMBUS TIED FOR 1ST WITH 22 DAYS.

*********************************************************************

            MOST NUMBER OF DAYS OF 90+ DEGREES IN A YEAR

        CINCINNATI           COLUMBUS             DAYTON
     1.  64 / 1936       1.  49 / 1955       1.  62 / 1900
     2.  58 / 1944           49 / 1936           62 / 1899
     3.  56 / 1913       3.  47 / 1895       3.  58 / 1897
     4.  54 / 2007       4.  46 / 1944       4.  55 / 1944
         54 / 1934       5.  45 / 1953       5.  53 / 1908
     6.  51 / 1953       6.  43 / 1988       6.  51 / 1936
     7.  47 / 1959       7.  42 / 1934           51 / 1901
         47 / 1954       8.  40 / 1999           51 / 1894
         47 / 1914           40 / 1991       9.  48 / 1898
         47 / 1874           40 / 1900      10.  46 / 1988
                             40 / 1899

AS OF THE END OF JULY...THE TOTAL NUMBER OF DAYS IN 2012 WITH
TEMPERATURES REACHING 90 DEGREES OR HIGHER (THIS INCLUDES THOSE DAYS
REACHING 100 DEGREES OR HIGHER) IS 30 AT CINCINNATI...34 AT
COLUMBUS...AND 29 AT DAYTON.

*********************************************************************

             MOST NUMBER OF DAYS OF 100+ DEGREES IN JULY

        CINCINNATI           COLUMBUS             DAYTON
     1.   9 / 1936       1.   8 / 1936       1.   8 / 1936
     2.   7 / 1934       2.   6 / 1934            8 / 1901
     3.   5 / 1881       3.   5 / 1988       3.   7 / 1897
     4.   4 / 2012*           5 / 1881       4.   5 / 1988
          4 / 1988       5.   3 / 2012*           5 / 1934
          4 / 1901       6.   2 / 1941            5 / 1911
     7.   3 / 1983            2 / 1911       7.   2 / 2012*
          3 / 1930            2 / 1901            2 / 1933
                              2 / 1897

THERE WERE A HANDFUL OF DAYS IN JULY 2012 THAT HAD TEMPERATURES
CLIMBING TO 100 DEGREES OR HIGHER: CINCINNATI HAD 4 DAYS...COLUMBUS
HAD 3 DAYS...AND DAYTON HAD 2 DAYS. FOR ALL THREE CLIMATE STATIONS...
JULY 2012 HAD MORE DAYS WITH TEMPERATURES IN THE 100S THAN ANY OTHER
JULY SINCE 1988.

*********************************************************************

           MOST NUMBER OF DAYS OF 100+ DEGREES IN A YEAR

        CINCINNATI           COLUMBUS             DAYTON
     1.  12 / 1936       1.   9 / 1936       1.  11 / 1936
     2.   9 / 1934       2.   8 / 1934       2.  10 / 1897
     3.   7 / 1988       3.   6 / 1988       3.   8 / 1901
     4.   6 / 2012*      4.   5 / 1881       4.   7 / 1988
          6 / 1930       5.   4 / 2012*           7 / 1934
          6 / 1881       6.   3 / 1944       6.   6 / 1911
     7.   5 / 2007       7.   2 / 1955       7.   4 / 1944
     8.   4 / 1983            2 / 1953       8.   3 / 2012*
          4 / 1944            2 / 1952       9.   2 / 1954
          4 / 1901            2 / 1941            2 / 1933
                              2 / 1918            2 / 1918

IN ADDITION TO THE HANDFUL OF DAYS IN JULY 2012 WITH TEMPERATURES
REACHING 100 DEGREES OR HIGHER...EACH STATION ALSO EXPERIENCED 1 OR
2 DAYS IN THE 100S IN JUNE 2012. THROUGH THE END OF JULY...THE TOTAL
NUMBER OF DAYS THIS YEAR WITH TEMPERATURES IN THE 100S STANDS AT 6
FOR CINCINNATI...4 FOR COLUMBUS...AND 3 FOR DAYTON. THIS IS THE MOST
NUMBER OF DAYS IN THE 100S AT EACH STATION IN ANY YEAR SINCE 1988.

*********************************************************************

         TOP 10 WARMEST METEOROLOGICAL SUMMERS (JUN - AUG)

        CINCINNATI           COLUMBUS             DAYTON
     1. 78.8 / 1934      1. 77.1 / 1934      1. 77.9 / 1934
     2. 78.7 / 1936      2. 76.6 / 1936      2. 77.7 / 1936
     3. 78.6 / 1874      3. 76.3 / 1944      3. 77.2 / 1944
     4. 78.4 / 1881      4. 76.0 / 2005      4. 77.0 / 1943
     5. 78.0 / 1901         76.0 / 1901      5. 76.0 / 1921
     6. 77.6 / 1913      6. 75.9 / 2010         76.0 / 1900
        77.6 / 1872         75.9 / 2002      7. 75.7 / 1988
     8. 77.5 / 1876         75.9 / 1999      8. 75.6 / 1995
     9. 77.4 / 1914         75.9 / 1991      9. 75.5 / 1933
    10. 77.3 / 1873         75.9 / 1943         75.5 / 1931

WITH SO MANY DAYS IN THE 90S AND 100S THIS JUNE AND JULY...IT COMES
AS NO SURPRISE THAT THE FIRST 2/3 OF SUMMER 2012 ALREADY RANKS AMONG
SOME OF THE WARMEST METEOROLOGICAL SUMMERS (JUNE THROUGH AUGUST) ON
RECORD. AVERAGE TEMPERATURES FOR THE PERIOD JUNE THROUGH JULY 2012
ARE AS FOLLOWS: 77.2 DEGREES AT CINCINNATI...76.9 DEGREES AT
COLUMBUS...AND 76.2 DEGREES AT DAYTON.

*********************************************************************

      TOP 10 WARMEST AVERAGE TEMPERATURES FOR JANUARY THRU JULY

        CINCINNATI           COLUMBUS             DAYTON
     1. 59.6 / 1880      1. 57.5 / 2012*     1. 56.8 / 1921
     2. 58.3 / 2012*     2. 56.5 / 1880      2. 56.3 / 2012*
     3. 57.7 / 1878      3. 55.8 / 1921      3. 55.4 / 1944
     4. 57.5 / 1921      4. 55.7 / 1991      4. 55.0 / 1946
     5. 57.0 / 1890      5. 55.6 / 1998      5. 54.8 / 1933
        57.0 / 1882      6. 54.5 / 1944      6. 54.7 / 1896
        57.0 / 1876         54.5 / 1938      7. 54.5 / 1991
     8. 56.5 / 1991      8. 54.4 / 1999      8. 54.4 / 1938
        56.5 / 1944         54.4 / 1949      9. 54.3 / 1898
        56.5 / 1911         54.4 / 1933     10. 54.2 / 1998

AFTER A MILD WINTER...THE WARMEST SPRING ON RECORD...AND A RATHER
HOT SUMMER SO FAR...AVERAGE TEMPERATURES FOR JANUARY THROUGH JULY
2012 RANK AMONG THE WARMEST ON RECORD FOR THIS PERIOD OF TIME. IT WAS
THE 2ND WARMEST JANUARY THROUGH JULY FOR CINCINNATI AND DAYTON...AND
THE ALL-TIME WARMEST ON RECORD FOR COLUMBUS.

*********************************************************************

      MOST CONSECUTIVE DAYS OF 90+ DEGREES (# DAYS AND END DATE)

        CINCINNATI             COLUMBUS               DAYTON
    1.  17  8/02/2011     1.  14  7/16/1881     1.  19  7/31/1901
        17  7/30/1901     2.  13  7/30/1940     2.  16  7/06/1966
    3.  15  8/13/2007     3.  12  8/01/1999     3.  14  7/01/1933
        15  7/06/1966         12  7/09/1949         14  7/11/1897
        15  7/02/1933         12  7/18/1936     5.  12  8/18/1988
    6.  14  7/11/2012*        12  7/05/1934         12  7/23/1983
        14  9/04/1953     7.  11  7/08/2012*        12  7/30/1940
        14  7/16/1881         11  8/18/1988         12  7/17/1936
    9.  13  7/24/1983         11  9/04/1953         12  7/29/1898
        13  7/31/1940         11  8/14/1918         12  9/16/1897
        13  7/27/1934         11  7/30/1901    11.  11  7/08/2012*

ONE FINAL INTERESTING HEAT STATISTIC WAS THE NUMBER OF CONSECUTIVE
DAYS WITH TEMPERATURES REACHING 90 DEGREES OR HIGHER FROM THE END OF
JUNE INTO EARLY JULY 2012. ALTHOUGH NO CLIMATE STATION CAME CLOSE TO
THEIR ALL TIME RECORD...IT RANKED AMONG THE LONGEST HEAT WAVES ON
RECORD TO AFFECT THE AREA.

$$

KURZ



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