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Archives for Chicago's hourly weather data updated 24-48 hours after end of each day. MOBILE CHGOWX.COM ...
Weather conditions on bar directly above are near Lakefront. Weather conditions with Moon are O'Hare (official).

Friday, December 11, 2020

Daily Climate Report for O'Hare International Airport Thursday, December 10, 2020

 CLIMATE REPORT

NATIONAL WEATHER SERVICE CHICAGO IL
1247 AM CST FRI DEC 11 2020

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 10 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         57   3:41 PM  62    1879  36     21       24
  MINIMUM         31   5:17 AM  -8    1919  22      9       14
                                      1978
  AVERAGE         44                        29     15       19

PRECIPITATION (IN)
  YESTERDAY        0.00          2.18 1971   0.08  -0.08      T
  MONTH TO DATE    T                         0.88  -0.88     0.16
  SINCE DEC 1      T                         0.88  -0.88     0.16
  SINCE JAN 1     36.67                     35.52   1.15    48.15

SNOWFALL (IN)
  YESTERDAY        0.0          10.9  1934   0.3   -0.3       T
  MONTH TO DATE    T                         2.2   -2.2      0.1
  SINCE DEC 1      T                         2.2   -2.2      0.1
  SINCE JUL 1      0.7                       3.6   -2.9      8.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       21                        36    -15       46
  MONTH TO DATE  279                       342    -63      312
  SINCE DEC 1    279                       342    -63      312
  SINCE JUL 1   1278                      1598   -320     1665

 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    15   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     4.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           8:00 AM
 LOWEST     45           3:00 PM
 AVERAGE    65

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        61      1949
 MINIMUM TEMPERATURE (F)   22        -5      1972


SUNRISE AND SUNSET
DECEMBER 11 2020......SUNRISE   7:10 AM CST   SUNSET   4:20 PM CST
DECEMBER 12 2020......SUNRISE   7:11 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.