Climatological Report (Daily)
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000
CDUS43 KLOT 210641
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT MON APR 21 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 20 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         79    318 PM  87    1985  61     18       47
  MINIMUM         41    430 AM  24    1897  40      1       31
  AVERAGE         60                        51      9       39

PRECIPITATION (IN)
  YESTERDAY        0.00          2.37 2000   0.11  -0.11     0.00
  MONTH TO DATE    1.28                      2.21  -0.93     7.84
  SINCE MAR 1      2.99                      4.71  -1.72     9.84
  SINCE JAN 1      8.29                      8.23   0.06    16.43

SNOWFALL (IN)
  YESTERDAY        0.0           0.2  1943   0.0    0.0      0.0
  MONTH TO DATE    1.4                       1.1    0.3      0.1
  SINCE MAR 1     13.7                       6.7    7.0     10.5
  SINCE JUL 1     82.0                      36.3   45.7     30.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        5                        15    -10       26
  MONTH TO DATE  355                       364     -9      415
  SINCE MAR 1   1380                      1205    175     1409
  SINCE JUL 1   6795                      5939    856     5811

 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    17   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED    10.1


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    58           600 AM
 LOWEST     25           300 PM
 AVERAGE    42

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        88      1985
 MINIMUM TEMPERATURE (F)   41        27      1986


SUNRISE AND SUNSET
APRIL 21 2014.........SUNRISE   602 AM CDT   SUNSET   739 PM CDT
APRIL 22 2014.........SUNRISE   600 AM CDT   SUNSET   740 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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