Climatological Report (Daily)
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000
CDUS43 KLOT 110635
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST WED JAN 11 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 10 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         51    254 PM  60    1975  31     20       23
  MINIMUM         25   1159 PM -26    1982  17      8        2
  AVERAGE         38                        24     14       13

PRECIPITATION (IN)
  YESTERDAY        0.20          2.29 1975   0.06   0.14      T
  MONTH TO DATE    0.33                      0.62  -0.29     0.47
  SINCE DEC 1      2.10                      2.87  -0.77     5.34
  SINCE JAN 1      0.33                      0.62  -0.29     0.47

SNOWFALL (IN)
  YESTERDAY        0.0           8.4  2009   0.3   -0.3       T
  MONTH TO DATE    0.2                       3.3   -3.1      1.7
  SINCE DEC 1     17.9                      11.5    6.4      6.2
  SINCE JUL 1     17.9                      12.9    5.0     17.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       27                        41    -14       52
  MONTH TO DATE  449                       410     39      370
  SINCE DEC 1   1680                      1565    115     1170
  SINCE JUL 1   2509                      2821   -312     2143

 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    40   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    56   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    23.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          1000 AM
 LOWEST     68          1000 PM
 AVERAGE    79

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        61      1880
 MINIMUM TEMPERATURE (F)   16       -11      1977
                                             1888
                                             1887


SUNRISE AND SUNSET
JANUARY 11 2017.......SUNRISE   718 AM CST   SUNSET   441 PM CST
JANUARY 12 2017.......SUNRISE   718 AM CST   SUNSET   442 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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