Climatological Report (Daily)
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CDUS43 KLOT 140636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1235 AM CST TUE FEB 14 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 13 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    256 PM  63    1938  35      9       17
  MINIMUM         25    630 AM -18    1905  19      6        2
  AVERAGE         35                        27      8       10

PRECIPITATION (IN)
  YESTERDAY        0.00          0.78 1949   0.07  -0.07     0.00
  MONTH TO DATE    0.47                      0.72  -0.25     0.85
  SINCE DEC 1      5.11                      4.70   0.41     6.56
  SINCE JAN 1      3.34                      2.45   0.89     1.69

SNOWFALL (IN)
  YESTERDAY        0.0           8.8  2007   0.4   -0.4      0.0
  MONTH TO DATE    T                         4.6   -4.6      1.0
  SINCE DEC 1     18.3                      23.6   -5.3     11.8
  SINCE JUL 1     18.3                      25.0   -6.7     23.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       30                        38     -8       55
  MONTH TO DATE  452                       513    -61      516
  SINCE DEC 1   2800                      2947   -147     2555
  SINCE JUL 1   3629                      4203   -574     3528

 COOLING
  YESTERDAY        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    20   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    10.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           600 AM
 LOWEST     38          1200 PM
 AVERAGE    60

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        62      1954
 MINIMUM TEMPERATURE (F)   20       -11      1905


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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