Climatological Report (Monthly)
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CXUS53 KLOT 011351
CLMMDW


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

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1928 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              92   04/30/1942
 LOW               10   04/07/1982
HIGHEST            82   04/15        MM      MM       84
LOWEST             33   04/01        MM      MM       24
AVG. MAXIMUM     63.9              59.2     4.7     58.7
AVG. MINIMUM     45.2              41.7     3.5     41.3
MEAN             54.5              50.4     4.1     50.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.33   1947
 MINIMUM         0.45   1971
TOTALS           6.27              3.64    2.63     2.50

DEGREE_DAYS
HEATING TOTAL     326               448    -122      453
 SINCE 7/1       4746              5771   -1025     4695
COOLING TOTAL      19                12       7       12
 SINCE 1/1         19                13       6       13
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              11.4
HIGHEST WIND SPEED/DIRECTION    36/030    DATE  04/05
HIGHEST GUST SPEED/DIRECTION    51/040    DATE  04/29

AVERAGE RH (PERCENT)     65


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

$$



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