Climatological Report (Daily)
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000
CDUS43 KLOT 070633
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST WED FEB 7 2018


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 6 2018...

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)
 YESTERDAY
  MAXIMUM         21    122 PM  57    1882  33    -12       55
  MINIMUM          3    553 AM -14    1982  18    -15       21
  AVERAGE         12                        25    -13       38

PRECIPITATION (IN)
  YESTERDAY        0.02          1.98 1942   0.05  -0.03      T
  MONTH TO DATE    0.35                      0.30   0.05      T
  SINCE DEC 1      2.48                      4.28  -1.80     4.64
  SINCE JAN 1      1.89                      2.03  -0.14     2.87

SNOWFALL (IN)
  YESTERDAY        0.2           9.3  1978   0.3   -0.1      0.0
  MONTH TO DATE    4.3                       2.1    2.2       T
  SINCE DEC 1     14.2                      21.1   -6.9     18.3
  SINCE JUL 1     14.3                      22.5   -8.2     18.3
  SNOW DEPTH       4

DEGREE DAYS
 HEATING
  YESTERDAY       53                        40     13       27
  MONTH TO DATE  285                       241     44      229
  SINCE DEC 1   2695                      2675     20     2577
  SINCE JUL 1   3738                      3931   -193     3406

 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    12   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     5.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88           800 AM
 LOWEST     49           100 PM
 AVERAGE    69

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        59      1925
 MINIMUM TEMPERATURE (F)   18       -10      1875


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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