Climatological Report (Daily)
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000
CDUS43 KLOT 130650
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
150 AM CDT SUN APR 13 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 12 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         80    323 PM  86    1977  58     22       45
                                      1971
  MINIMUM         44    455 AM  21    1957  38      6       37
                                      1939
  AVERAGE         62                        48     14       41

PRECIPITATION (IN)
  YESTERDAY        0.00          1.16 1952   0.11  -0.11      T
                                      1909
  MONTH TO DATE    0.55                      1.30  -0.75     1.91
  SINCE MAR 1      2.26                      3.80  -1.54     3.91
  SINCE JAN 1      7.56                      7.32   0.24    10.50

SNOWFALL (IN)
  YESTERDAY        0.0           1.7  1973   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.8   -0.8       T
  SINCE MAR 1     12.3                       6.4    5.9     10.4
  SINCE JUL 1     80.6                      36.0   44.6     30.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        3                        18    -15       24
  MONTH TO DATE  217                       235    -18      266
  SINCE MAR 1   1242                      1076    166     1260
  SINCE JUL 1   6657                      5810    847     5662

 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    33   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    44   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED    14.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    58           500 AM
 LOWEST     30           800 AM
 AVERAGE    44

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        82      1941
                                             1887
 MINIMUM TEMPERATURE (F)   38        21      1950


SUNRISE AND SUNSET
APRIL 13 2014.........SUNRISE   614 AM CDT   SUNSET   730 PM CDT
APRIL 14 2014.........SUNRISE   613 AM CDT   SUNSET   732 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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