Climatological Report (Daily)
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CDUS43 KLOT 170637
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT THU APR 17 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 16 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         52    446 PM  87    2002  59     -7       58
  MINIMUM         26    252 AM  18    1875  39    -13       40
  AVERAGE         39                        49    -10       49

PRECIPITATION (IN)
  YESTERDAY        0.00          1.97 1921   0.11  -0.11     0.01
  MONTH TO DATE    1.28                      1.75  -0.47     2.28
  SINCE MAR 1      2.99                      4.25  -1.26     4.28
  SINCE JAN 1      8.29                      7.77   0.52    10.87

SNOWFALL (IN)
  YESTERDAY        0.0           5.4  1961   0.0    0.0      0.0
  MONTH TO DATE    1.4                       1.0    0.4       T
  SINCE MAR 1     13.7                       6.6    7.1     10.4
  SINCE JUL 1     82.0                      36.2   45.8     30.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       26                        16     10       16
  MONTH TO DATE  303                       302      1      328
  SINCE MAR 1   1328                      1143    185     1322
  SINCE JUL 1   6743                      5877    866     5724

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         1     -1        0
  SINCE JAN 1      0                         1     -1        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED    16.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75           400 AM
 LOWEST     30           500 PM
 AVERAGE    53

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        88      1976
 MINIMUM TEMPERATURE (F)   39        17      1875


SUNRISE AND SUNSET
APRIL 17 2014.........SUNRISE   608 AM CDT   SUNSET   735 PM CDT
APRIL 18 2014.........SUNRISE   607 AM CDT   SUNSET   736 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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