Climatological Report (Monthly)
Issued by NWS

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CXUS53 KLOT 011351
CLMPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
835 AM CDT MON MAY 1 2017

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

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR THE MONTH OF APRIL 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1996 TO 2017

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            81   04/15        MM      MM       83
LOWEST             32   04/01        MM      MM       22
AVG. MAXIMUM     61.6              57.9     3.7     56.2
AVG. MINIMUM     42.1              37.6     4.5     37.0
MEAN             51.9              47.8     4.1     46.6

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.11   1999
 MINIMUM         0.44   2005
TOTALS           6.57              2.97    3.60     2.98

DEGREE_DAYS
HEATING TOTAL     395               522    -127      545
 SINCE 7/1       5226              6113    -887     5298
COOLING TOTAL       8                 4       4        2
 SINCE 1/1          8                 4       4        2
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.2
HIGHEST WIND SPEED/DIRECTION    29/190    DATE  04/15
HIGHEST GUST SPEED/DIRECTION    38/200    DATE  04/15

AVERAGE RH (PERCENT)     69


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

$$


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