Climatological Report (Seasonal)
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CXUS53 KLOT 031448
CLSORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
811 AM CST TUE DEC 3 2019

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2019 TO 11/30/2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             101   09/02/1953
                        09/01/1953
 LOW               -2   11/24/1950
                        11/29/1872
HIGHEST            90   09/10        MM      MM       93
LOWEST              7   11/12        MM      MM       17
AVG. MAXIMUM     59.1              61.8    -2.7     59.3
AVG. MINIMUM     44.3              43.2     1.1     44.8
MEAN             51.7              52.5    -0.8     52.1
DAYS MAX >= 90      1
DAYS MAX <= 32      5
DAYS MIN <= 32     22
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        19.32   1961
 MINIMUM         2.07   1956
TOTALS          16.24              9.51    6.73
DAYS >= .01        39
DAYS >= .10        25
DAYS >= .50        10
DAYS >= 1.00        5

SNOWFALL (INCHES)
TOTALS            8.3               1.4     6.9     12.7

DEGREE_DAYS
HEATING TOTAL    1353              1243     110
 SINCE 7/1       1353              1256      97
 SINCE 1/1        960               843     117
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.2
HIGHEST WIND SPEED/DIRECTION    38/260    DATE  11/27
HIGHEST GUST SPEED/DIRECTION    60/240    DATE  11/27


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             13     MIXED PRECIP               0
HEAVY RAIN               15     RAIN                      18
LIGHT RAIN               42     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       4
LIGHT SNOW                7     SLEET                      2
FOG                      47     FOG W/VIS <= 1/4 MILE      3
HAZE                      8

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

$$




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