Climatological Report (Daily)
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000
CDUS43 KLOT 140632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1231 AM CST SAT JAN 14 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 13 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         27   1159 PM  58    1932  31     -4       25
  MINIMUM         16    821 AM  -9    1929  16      0       -2
                                      1888
  AVERAGE         22                        24     -2       12

PRECIPITATION (IN)
  YESTERDAY        0.00          1.37 1950   0.05  -0.05      T
  MONTH TO DATE    0.71                      0.79  -0.08     0.59
  SINCE DEC 1      2.48                      3.04  -0.56     5.46
  SINCE JAN 1      0.71                      0.79  -0.08     0.59

SNOWFALL (IN)
  YESTERDAY        0.0          16.5  1979   0.3   -0.3      0.1
  MONTH TO DATE    0.4                       4.3   -3.9      5.0
  SINCE DEC 1     18.1                      12.5    5.6      9.5
  SINCE JUL 1     18.1                      13.9    4.2     20.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       43                        41      2       53
  MONTH TO DATE  564                       533     31      529
  SINCE DEC 1   1795                      1688    107     1329
  SINCE JUL 1   2624                      2944   -320     2302

 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    15   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     8.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88           600 PM
 LOWEST     56          1200 AM
 AVERAGE    72

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        60      1928
 MINIMUM TEMPERATURE (F)   16       -14      1979


SUNRISE AND SUNSET
JANUARY 14 2017.......SUNRISE   717 AM CST   SUNSET   445 PM CST
JANUARY 15 2017.......SUNRISE   717 AM CST   SUNSET   446 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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