Climatological Report (Daily)
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000
CDUS43 KLOT 072236
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CST WED FEB 7 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR FEBRUARY 7 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         20    141 PM  59    1925  33    -13       50
  MINIMUM         14    727 AM -10    1875  18     -4       32
  AVERAGE         17                        25     -8       41

PRECIPITATION (IN)
  TODAY            0.11          1.34 1881   0.06   0.05     0.47
  MONTH TO DATE    0.46                      0.36   0.10     0.47
  SINCE DEC 1      2.59                      4.34  -1.75     5.11
  SINCE JAN 1      2.00                      2.09  -0.09     3.34

SNOWFALL (IN)
  TODAY            1.7           8.6  1933   0.4    1.3      0.0
  MONTH TO DATE    6.0                       2.5    3.5       T
  SINCE DEC 1     15.9                      21.5   -5.6     18.3
  SINCE JUL 1     16.0                      22.9   -6.9     18.3

DEGREE DAYS
 HEATING
  TODAY           48                        40      8       24
  MONTH TO DATE  333                       281     52      253
  SINCE DEC 1   2743                      2715     28     2601
  SINCE JUL 1   3786                      3971   -185     3430

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     9.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88           300 AM
 LOWEST     67          1200 PM
 AVERAGE    78

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        62      1925
                                             1900
 MINIMUM TEMPERATURE (F)   18       -17      1899


SUNRISE AND SUNSET
FEBRUARY  7 2018......SUNRISE   658 AM CST   SUNSET   514 PM CST
FEBRUARY  8 2018......SUNRISE   656 AM CST   SUNSET   516 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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