Climatological Report (Monthly)
Issued by NWS

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CXUS53 KLOT 011211
CLMPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
643 AM CDT FRI MAY 1 2015

...................................

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR THE MONTH OF APRIL 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1996 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              88   04/18/2002
                        04/16/2002
                        04/15/2002
 LOW               20   04/09/1997
HIGHEST            78   04/17                         79
LOWEST             28   04/24                         24
                        04/23
                        04/04
AVG. MAXIMUM     59.1              57.9     1.2     58.7
AVG. MINIMUM     37.5              37.6    -0.1     37.1
MEAN             48.3              47.8     0.5     47.9

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.11   1999
 MINIMUM         0.44   2005
TOTALS           3.16              2.97    0.19     2.88

DEGREE_DAYS
HEATING TOTAL     494               522     -28      508
 SINCE 7/1       6546              6113     433     6914
COOLING TOTAL       0                 4      -4        0
 SINCE 1/1          0                 4      -4        0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.3
HIGHEST WIND SPEED/DIRECTION    31/300    DATE  04/10
HIGHEST GUST SPEED/DIRECTION    45/310    DATE  04/10

AVERAGE RH (PERCENT)     62


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$



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