Climatological Report (Daily)
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364
CDUS43 KLOT 142244
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
444 PM CST TUE FEB 14 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR FEBRUARY 14 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         50    235 PM  62    1954  35     15       18
  MINIMUM         31    723 AM -11    1905  20     11        9
  AVERAGE         41                        27     14       14

PRECIPITATION (IN)
  TODAY            0.00          0.94 1950   0.06  -0.06     0.10
  MONTH TO DATE    0.47                      0.78  -0.31     0.95
  SINCE DEC 1      5.11                      4.76   0.35     6.66
  SINCE JAN 1      3.34                      2.51   0.83     1.79

SNOWFALL (IN)
  TODAY            0.0           8.3  1990   0.3   -0.3      2.3
  MONTH TO DATE    T                         4.9   -4.9      3.3
  SINCE DEC 1     18.3                      23.9   -5.6     14.1
  SINCE JUL 1     18.3                      25.3   -7.0     25.3

DEGREE DAYS
 HEATING
  TODAY           24                        38    -14       51
  MONTH TO DATE  476                       551    -75      567
  SINCE DEC 1   2824                      2985   -161     2606
  SINCE JUL 1   3653                      4241   -588     3579

 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    21   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    12.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           700 AM
 LOWEST     42           200 PM
 AVERAGE    60

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        69      1954
 MINIMUM TEMPERATURE (F)   20        -9      1905
                                             1875


SUNRISE AND SUNSET
FEBRUARY 14 2017......SUNRISE   648 AM CST   SUNSET   524 PM CST
FEBRUARY 15 2017......SUNRISE   647 AM CST   SUNSET   525 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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