Climatological Report (Seasonal)
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CXUS53 KLOT 011756
CLSORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1251 PM CDT TUE SEP 1 2020

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2020 TO 8/31/2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2020

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            97   08/24        MM      MM       95
LOWEST             52   06/15        MM      MM       49
                        06/13
AVG. MAXIMUM     86.2              81.9     4.3     81.6
AVG. MINIMUM     67.1              61.7     5.4     63.6
MEAN             76.7              71.8     4.9     72.6
DAYS MAX >= 90     30
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        23.48   1987
 MINIMUM         3.16   1894
TOTALS           7.75             12.05   -4.30
DAYS >= .01        24
DAYS >= .10        15
DAYS >= .50         4
DAYS >= 1.00        2

DEGREE_DAYS
HEATING TOTAL      12                61     -49
 SINCE 7/1          0                13     -13
COOLING TOTAL    1108               686     422
 SINCE 1/1       1182               740     442
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.2
HIGHEST WIND SPEED/DIRECTION    40/270    DATE  08/10
HIGHEST GUST SPEED/DIRECTION    62/270    DATE  08/10


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             20     MIXED PRECIP               0
HEAVY RAIN               11     RAIN                      16
LIGHT RAIN               32     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      0
HAZE                      7

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

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