Climatological Report (Seasonal)
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CXUS53 KLOT 011232 CCA
CLSORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
727 AM CDT TUE SEP 1 2015

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2015 TO 8/31/2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             105   07/24/1934
 LOW               35   06/04/1945
HIGHEST            92   08/15                         91
                        07/17
                        06/10
LOWEST             42   06/02                         49
AVG. MAXIMUM     79.9              81.9    -2.0     81.0
AVG. MINIMUM     61.0              61.7    -0.7     62.4
MEAN             70.5              71.8    -1.3     71.7
DAYS MAX >= 90      7
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        23.48   1987
 MINIMUM         3.16   1894
TOTALS          12.13             12.05    0.08
DAYS >= .01        31
DAYS >= .10        24
DAYS >= .50         8
DAYS >= 1.00        2

SNOWFALL (INCHES)
TOTALS              T               0.0     0.0      0.0

DEGREE_DAYS
HEATING TOTAL      57                61      -4
 SINCE 7/1         18                13       5
COOLING TOTAL     588               686     -98
 SINCE 1/1        641               740     -99
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.0
HIGHEST WIND SPEED/DIRECTION    37/260    DATE  08/02
HIGHEST GUST SPEED/DIRECTION    52/270    DATE  08/02


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             20     MIXED PRECIP               0
HEAVY RAIN               14     RAIN                      21
LIGHT RAIN               37     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       2
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      43     FOG W/VIS <= 1/4 MILE      1
HAZE                     28

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

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