July 2011 - One for the Record Books

...HOT DAYS...WARM NIGHTS...AND HEAVY RAIN MADE JULY 2011 A
MEMORABLE MONTH...

RECORDS WERE TOPPLED AS HEAT AND HUMIDITY CONVERGED UPON THE
REGION IN JULY. DURING THE MIDDLE OF THE MONTH TEMPERATURES
SOARED TO THE 90S DURING THE DAY...YET ONLY COOLED TO THE 70S AT
NIGHT.

...WARMEST DAY JULY 19...
* MOLINE........100 DEGREES
* CEDAR RAPIDS...98 DEGREES
* IOWA CITY......98 DEGREES
* BURLINGTON.....97 DEGREES
* DAVENPORT......97 DEGREES
* DUBUQUE........97 DEGREES...TIED PREVIOUS RECORD OF 97 SET 1940.

FROM THE 18TH THROUGH THE 20TH NIGHTTIME RECORDS WERE TIED OR
BROKEN SEVERAL TIMES WHEN LOWS REMAINED UNSEASONABLY WARM.

...RECORD WARM MINIMUM TEMPERATURES...

* JULY 18
* DUBUQUE 75 DEGREES...TIED WARM MINIMUM SET 1931 AND PREVIOUS
  YEARS
* MOLINE 79 DEGREES...TIED WARM MINIMUM SET IN 1942

* JULY 19
* DUBUQUE NEW RECORD OF 75 DEGREES...OLD RECORD 74 DEGREES IN 1935.
* MOLINE NEW RECORD OF 80 DEGREES...OLD RECORD 76 DEGREES SET IN 1987.

* JULY 20
* DUBUQUE 76 DEGREES...TIED WARM MINIMUM SET IN 1934
* MOLINE 78 DEGREES...TIED WARM MINIMUM SET IN 1987

ALTHOUGH THE MONTH IS NOT OVER MANY RAINFALL RECORDS HAVE BEEN
BROKEN AT DUBUQUE IOWA.

...DUBUQUE PRECIPITATION RECORDS SET IN JULY...

* JULY 27
* DAILY MAXIMUM RAINFALL...7.47 INCHES...OLD RECORD 3.10 INCHES
  SET IN 1896.
* DAILY RAINFALL RECORD FOR THE MONTH OF JULY...7.47 INCHES...OLD
  RECORD 6.28 INCHES SET JULY 1 1961.

* JULY 28
* DAILY MAXIMUM RAINFALL...3.27 INCHES...OLD RECORD 2.30 INCHES
  SET IN 1990.

* JULY 27-28
* 24 HOUR RAINFALL...10.62 INCHES...OLD RECORD 8.96 INCHES SET AUGUST
  21-22 2002.

* WETTEST JULY AT DUBUQUE...16.01 INCHES IN 2011...OLD RECORD
  12.23 INCHES SET IN 1961

...RAINFALL FROM JANUARY THROUGH THE PRESENT...

* DUBUQUE 32.70 INCHES...WETTEST YEAR (JAN-DEC) 1961 AT 63.34 INCHES
* BURLINGTON WITH 24.41 INCHES
* IOWA CITY WITH 23.23.INCHES
* CEDAR RAPIDS WITH 20.10 INCHES
* MOLINE WITH 16.38 INCHES...WETTEST YEAR (JAN-DEC) 2009 AT 52.25 INCHES

YEARLY RECORDS ARE NOT COMPUTED FOR BURLINGTON...CEDAR
RAPIDS...OR IOWA CITY.



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