Climatological Report (Daily)
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000
CDUS43 KLOT 220636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1236 AM CST WED NOV 22 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 21 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         44    909 AM  72    1913  45     -1       41
  MINIMUM         27   1159 PM   1    1880  30     -3       22
  AVERAGE         36                        38     -2       32

PRECIPITATION (IN)
  YESTERDAY        0.02          1.49 1906   0.10  -0.08     0.00
  MONTH TO DATE    1.75                      2.20  -0.45     0.42
  SINCE SEP 1     10.77                      8.56   2.21     5.95
  SINCE JAN 1     42.51                     33.69   8.82    32.93

SNOWFALL (IN)
  YESTERDAY        0.0           7.0  2015   0.1   -0.1      0.0
  MONTH TO DATE    0.1                       0.5   -0.4       T
  SINCE SEP 1      0.1                       0.7   -0.6       T
  SINCE JUL 1      0.1                       0.7   -0.6       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       29                        27      2       33
  MONTH TO DATE  547                       471     76      320
  SINCE SEP 1    835                       973   -138      609
  SINCE JUL 1    840                       986   -146      609

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        3
  SINCE SEP 1    208                       103    105      192
  SINCE JAN 1    991                       843    148     1157
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    14.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    67           800 AM
 LOWEST     40           100 PM
 AVERAGE    54

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        69      1913
 MINIMUM TEMPERATURE (F)   30         4      1880


SUNRISE AND SUNSET
NOVEMBER 22 2017......SUNRISE   650 AM CST   SUNSET   425 PM CST
NOVEMBER 23 2017......SUNRISE   651 AM CST   SUNSET   425 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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