Climatological Report (Daily)
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CDUS43 KLOT 040636
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1236 AM CST FRI DEC 04 2020

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 3 2020...

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         44   2:53 PM  71    1970  39      5       40
  MINIMUM         30   7:29 AM  -5    1940  25      5       29
  AVERAGE         37                        32      5       35

PRECIPITATION (IN)
  YESTERDAY        0.00          1.12 1873   0.09  -0.09     0.00
  MONTH TO DATE    0.00                      0.28  -0.28     0.11
  SINCE DEC 1      0.00                      0.28  -0.28     0.11
  SINCE JAN 1     36.67                     34.92   1.75    48.10

SNOWFALL (IN)
  YESTERDAY        0.0           4.0  1893   0.2   -0.2      0.0
  MONTH TO DATE    0.0                       0.6   -0.6      0.1
  SINCE DEC 1      0.0                       0.6   -0.6      0.1
  SINCE JUL 1      0.7                       2.0   -1.3      8.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       28                        33     -5       30
  MONTH TO DATE   91                        98     -7       92
  SINCE DEC 1     91                        98     -7       92
  SINCE JUL 1   1090                      1354   -264     1445

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1295                       843    452      960
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    11.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    67           9:00 PM
 LOWEST     51           3:00 PM
 AVERAGE    59

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   39        66      1998
 MINIMUM TEMPERATURE (F)   24         0      1893


SUNRISE AND SUNSET
DECEMBER  4 2020......SUNRISE   7:04 AM CST   SUNSET   4:20 PM CST
DECEMBER  5 2020......SUNRISE   7:05 AM CST   SUNSET   4:20 PM CST


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




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