Climatological Report (Seasonal)
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CXUS53 KLOT 011659
CLSORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1058 AM CST TUE DEC 1 2020

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2020 TO 11/30/2020...

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             101   09/02/1953
                        09/01/1953
 LOW               -2   11/24/1950
                        11/29/1872
HIGHEST            88   09/03        MM      MM       90
                        09/02
LOWEST             28   11/02        MM      MM        7
AVG. MAXIMUM     63.7              61.8     1.9     59.1
AVG. MINIMUM     46.3              43.2     3.1     44.3
MEAN             55.0              52.5     2.5     51.7
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32     11
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        19.32   1961
 MINIMUM         2.07   1956
TOTALS           8.55              9.51   -0.96
DAYS >= .01        30
DAYS >= .10        21
DAYS >= .50         6
DAYS >= 1.00        1

SNOWFALL (INCHES)
TOTALS            0.7               1.4    -0.7      8.3

DEGREE_DAYS
HEATING TOTAL     999              1243    -244
 SINCE 7/1        999              1256    -257
COOLING TOTAL     113               103      10
 SINCE 1/1       1295               843     452
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.1
HIGHEST WIND SPEED/DIRECTION    39/240    DATE  11/10
HIGHEST GUST SPEED/DIRECTION    64/250    DATE  11/10


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             12     MIXED PRECIP               0
HEAVY RAIN               11     RAIN                      16
LIGHT RAIN               36     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                4     SLEET                      0
FOG                      29     FOG W/VIS <= 1/4 MILE      0
HAZE                     18

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

$$




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