Climatological Report (Daily)
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000
CDUS43 KLOT 260645
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1244 AM CST SUN FEB 26 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 25 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         33   1213 AM  72    2000  39     -6       37
  MINIMUM         23    945 AM  -9    1900  23      0       31
  AVERAGE         28                        31     -3       34

PRECIPITATION (IN)
  YESTERDAY        T             0.73 1926   0.08  -0.08      T
  MONTH TO DATE    0.87                      1.56  -0.69     1.15
  SINCE DEC 1      5.51                      5.54  -0.03     6.86
  SINCE JAN 1      3.74                      3.29   0.45     1.99

SNOWFALL (IN)
  YESTERDAY        T             6.7  1994   0.3   -0.3       T
  MONTH TO DATE    T                         8.3   -8.3      5.5
  SINCE DEC 1     18.3                      27.3   -9.0     16.3
  SINCE JUL 1     18.3                      28.7  -10.4     27.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       37                        34      3       31
  MONTH TO DATE  683                       943   -260      895
  SINCE DEC 1   3031                      3377   -346     2934
  SINCE JUL 1   3860                      4633   -773     3907

 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    24   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED    13.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82          1200 AM
 LOWEST     55           200 PM
 AVERAGE    69

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   39        64      2000
 MINIMUM TEMPERATURE (F)   24        -1      1963
                                             1888


SUNRISE AND SUNSET
FEBRUARY 26 2017......SUNRISE   631 AM CST   SUNSET   538 PM CST
FEBRUARY 27 2017......SUNRISE   629 AM CST   SUNSET   540 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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