Climatological Report (Daily)
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686
CDUS43 KLOT 090635
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST THU FEB 9 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 8 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         32   1240 AM  62    1925  33     -1       32
                                      1900
  MINIMUM         19   1159 PM -17    1899  18      1       20
  AVERAGE         26                        26      0       26

PRECIPITATION (IN)
  YESTERDAY        0.00          1.10 1887   0.05  -0.05     0.02
  MONTH TO DATE    0.47                      0.41   0.06     0.83
  SINCE DEC 1      5.11                      4.39   0.72     6.54
  SINCE JAN 1      3.34                      2.14   1.20     1.67

SNOWFALL (IN)
  YESTERDAY        0.0           5.0  1903   0.3   -0.3      0.4
  MONTH TO DATE    T                         2.8   -2.8      0.4
  SINCE DEC 1     18.3                      21.8   -3.5     11.2
  SINCE JUL 1     18.3                      23.2   -4.9     22.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       39                        39      0       39
  MONTH TO DATE  292                       320    -28      261
  SINCE DEC 1   2640                      2754   -114     2300
  SINCE JUL 1   3469                      4010   -541     3273

 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    NW (330)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED    11.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78          1200 AM
 LOWEST     58           400 PM
 AVERAGE    68

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        56      1886
 MINIMUM TEMPERATURE (F)   18       -21      1899


SUNRISE AND SUNSET
FEBRUARY  9 2017......SUNRISE   655 AM CST   SUNSET   517 PM CST
FEBRUARY 10 2017......SUNRISE   654 AM CST   SUNSET   518 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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