Climatological Report (Daily)
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000
CDUS43 KLOT 232135
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT SUN APR 23 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 23 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  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)
  TODAY            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)
  TODAY            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

DEGREE DAYS
 HEATING
  TODAY           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
  TODAY            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    13   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     3.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    65           600 AM
 LOWEST     17           100 PM
 AVERAGE    41

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


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


SUNRISE AND SUNSET
APRIL 23 2017.........SUNRISE   559 AM CDT   SUNSET   742 PM CDT
APRIL 24 2017.........SUNRISE   557 AM CDT   SUNSET   743 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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