Climatological Report (Seasonal)
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CXUS53 KLOT 011545
CLSORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
921 AM CST SAT DEC 1 2018

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2018 TO 11/30/2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018

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            93   09/20        MM      MM       95
LOWEST             17   11/28        MM      MM       18
                        11/14
AVG. MAXIMUM     59.3              61.8    -2.5     64.0
AVG. MINIMUM     44.8              43.2     1.6     47.1
MEAN             52.1              52.5    -0.4     55.6
DAYS MAX >= 90      5
DAYS MAX <= 32      3
DAYS MIN <= 32     22
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        19.32   1961
 MINIMUM         2.07   1956
TOTALS          11.68              9.51    2.17
DAYS >= .01        38
DAYS >= .10        24
DAYS >= .50         7
DAYS >= 1.00        4

SNOWFALL (INCHES)
TOTALS           12.7               1.4    11.3      0.1

DEGREE_DAYS
HEATING TOTAL    1363              1243     120
 SINCE 7/1       1363              1256     107
COOLING TOTAL     213               103     110
 SINCE 1/1       1290               843     447
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.0
HIGHEST WIND SPEED/DIRECTION    39/020    DATE  11/26
HIGHEST GUST SPEED/DIRECTION    60/310    DATE  10/20


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             11     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                      16
LIGHT RAIN               37     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                0     SNOW                       3
LIGHT SNOW               13     SLEET                      0
FOG                      46     FOG W/VIS <= 1/4 MILE      0
HAZE                     30

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

$$



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