Climatological Report (Daily)
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000
CDUS43 KLOT 060634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT FRI OCT 6 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 5 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         77    221 PM  88    1997  67     10       80
  MINIMUM         54    549 AM  28    1980  46      8       59
  AVERAGE         66                        56     10       70

PRECIPITATION (IN)
  YESTERDAY        0.01          2.01 1955   0.10  -0.09      T
  MONTH TO DATE    0.04                      0.50  -0.46     0.97
  SINCE SEP 1      0.36                      3.71  -3.35     2.73
  SINCE JAN 1     32.10                     28.84   3.26    29.71

SNOWFALL (IN)
  YESTERDAY        0.0           T    1935   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      T                         0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         9     -9        0
  MONTH TO DATE    5                        43    -38       11
  SINCE SEP 1     42                       148   -106       34
  SINCE JUL 1     47                       161   -114       34

 COOLING
  YESTERDAY        1                         1      0        5
  MONTH TO DATE   17                         5     12        8
  SINCE SEP 1    196                        97     99      173
  SINCE JAN 1    979                       837    142     1138
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     5.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84          1100 PM
 LOWEST     31           200 PM
 AVERAGE    58

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        94      1963
 MINIMUM TEMPERATURE (F)   46        28      1952


SUNRISE AND SUNSET
OCTOBER  6 2017.......SUNRISE   654 AM CDT   SUNSET   624 PM CDT
OCTOBER  7 2017.......SUNRISE   655 AM CDT   SUNSET   623 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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