Climatological Report (Daily)
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CDUS43 KLOT 230636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT SUN APR 23 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 22 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         60    304 PM  91    1980  62     -2       54
  MINIMUM         38   1114 PM  24    1986  41     -3       41
  AVERAGE         49                        51     -2       48

PRECIPITATION (IN)
  YESTERDAY        0.00          1.55 1981   0.12  -0.12      T
  MONTH TO DATE    2.80                      2.44   0.36     1.18
  SINCE MAR 1      6.81                      4.94   1.87     4.52
  SINCE JAN 1     11.20                      8.46   2.74     6.59

SNOWFALL (IN)
  YESTERDAY        0.0           0.2  1893   0.0    0.0      0.0
  MONTH TO DATE    0.0                       1.1   -1.1      1.1
  SINCE MAR 1      7.8                       6.7    1.1      3.7
  SINCE JUL 1     26.1                      36.2  -10.1     31.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       16                        14      2       17
  MONTH TO DATE  251                       393   -142      409
  SINCE MAR 1   1036                      1234   -198     1074
  SINCE JUL 1   4961                      5968  -1007     5082

 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    16   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED     8.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70           200 AM
 LOWEST     21           400 PM
 AVERAGE    46

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   62        88      1960
 MINIMUM TEMPERATURE (F)   41        25      1986
                                             1873


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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