Climatological Report (Daily)
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000
CDUS43 KLOT 172235
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CST FRI NOV 17 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR NOVEMBER 17 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         45    123 PM  74    1975  47     -2       72
                                      1971
                                      1952
  MINIMUM         35    723 AM   3    1959  32      3       44
  AVERAGE         40                        40      0       58

PRECIPITATION (IN)
  TODAY            0.01          1.43 1892   0.11  -0.10     0.00
  MONTH TO DATE    1.06                      1.77  -0.71     0.21
  SINCE SEP 1     10.08                      8.13   1.95     5.74
  SINCE JAN 1     41.82                     33.26   8.56    32.72

SNOWFALL (IN)
  TODAY            0.0           3.8  1927   0.1   -0.1      0.0
  MONTH TO DATE    0.1                       0.3   -0.2      0.0
  SINCE SEP 1      0.1                       0.5   -0.4      0.0
  SINCE JUL 1      0.1                       0.5   -0.4      0.0

DEGREE DAYS
 HEATING
  TODAY           25                        25      0        7
  MONTH TO DATE  442                       365     77      208
  SINCE SEP 1    730                       867   -137      497
  SINCE JUL 1    735                       880   -145      497

 COOLING
  TODAY            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    22   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED    13.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           500 AM
 LOWEST     58           100 PM
 AVERAGE    70

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   47        72      1953
 MINIMUM TEMPERATURE (F)   32         8      1880


SUNRISE AND SUNSET
NOVEMBER 17 2017......SUNRISE   644 AM CST   SUNSET   429 PM CST
NOVEMBER 18 2017......SUNRISE   645 AM CST   SUNSET   428 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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