Climatological Report (Monthly)
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CXUS53 KLOT 011319
CLMMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
811 AM CDT TUE AUG 1 2017

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF JULY 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             109   07/23/1934
 LOW               46   07/05/1972
HIGHEST            92   07/06         0      92       94
LOWEST             58   07/17        68     -10       59
AVG. MAXIMUM     84.2              84.2     0.0     85.2
AVG. MINIMUM     67.5              67.5     0.0     69.3
MEAN             75.8              75.9    -0.1     77.3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        10.39   2010
 MINIMUM         0.31   1936
TOTALS           4.23              4.01    0.22     4.95

DEGREE_DAYS
HEATING TOTAL       0                 1      -1        0
 SINCE 7/1          0                 1      -1        0
COOLING TOTAL     343               338       5      388
 SINCE 1/1        667               622      45      783
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.4
HIGHEST WIND SPEED/DIRECTION    33/320    DATE  07/19
HIGHEST GUST SPEED/DIRECTION    43/310    DATE  07/19

AVERAGE RH (PERCENT)     67


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

$$



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