Climatological Report (Daily)
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CDUS43 KLOT 240636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT MON APR 24 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 23 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         72    229 PM  88    1960  62     10       60
  MINIMUM         37   1245 AM  25    1986  41     -4       38
                                      1873
  AVERAGE         55                        52      3       49

PRECIPITATION (IN)
  YESTERDAY        0.00          1.01 1878   0.11  -0.11     0.00
  MONTH TO DATE    2.80                      2.55   0.25     1.18
  SINCE MAR 1      6.81                      5.05   1.76     4.52
  SINCE JAN 1     11.20                      8.57   2.63     6.59

SNOWFALL (IN)
  YESTERDAY        0.0           3.1  1967   0.1   -0.1      0.0
  MONTH TO DATE    0.0                       1.2   -1.2      1.1
  SINCE MAR 1      7.8                       6.8    1.0      3.7
  SINCE JUL 1     26.1                      36.3  -10.2     31.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       10                        14     -4       16
  MONTH TO DATE  261                       407   -146      425
  SINCE MAR 1   1046                      1248   -202     1090
  SINCE JUL 1   4971                      5982  -1011     5098

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    9                         0      9        1
  SINCE MAR 1      9                         1      8        1
  SINCE JAN 1      9                         1      8        1
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     5.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76          1000 PM
 LOWEST     17           100 PM
 AVERAGE    47

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   63        87      1990
                                             1915
 MINIMUM TEMPERATURE (F)   42        29      2015
                                             1910


SUNRISE AND SUNSET
APRIL 24 2017.........SUNRISE   557 AM CDT   SUNSET   743 PM CDT
APRIL 25 2017.........SUNRISE   556 AM CDT   SUNSET   744 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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