Climatological Report (Daily)
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CDUS43 KLOT 080632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT SAT APR 8 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 7 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         54    421 PM  84    1893  56     -2       41
  MINIMUM         37    608 AM   7    1982  36      1       33
  AVERAGE         46                        46      0       37

PRECIPITATION (IN)
  YESTERDAY        0.00          0.81 1998   0.11  -0.11     0.06
  MONTH TO DATE    1.54                      0.73   0.81     0.49
  SINCE MAR 1      5.55                      3.23   2.32     3.83
  SINCE JAN 1      9.94                      6.75   3.19     5.90

SNOWFALL (IN)
  YESTERDAY        0.0           3.0  2003   0.1   -0.1      0.1
  MONTH TO DATE    0.0                       0.6   -0.6      0.4
  SINCE MAR 1      7.8                       6.2    1.6      3.0
  SINCE JUL 1     26.1                      35.7   -9.6     30.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       19                        19      0       28
  MONTH TO DATE  121                       143    -22      179
  SINCE MAR 1    906                       984    -78      844
  SINCE JUL 1   4831                      5718   -887     4852

 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    22   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED    11.0


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          1200 AM
 LOWEST     19           200 PM
 AVERAGE    45

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        80      1931
 MINIMUM TEMPERATURE (F)   36        20      1972
                                             1914


SUNRISE AND SUNSET
APRIL  8 2017.........SUNRISE   622 AM CDT   SUNSET   725 PM CDT
APRIL  9 2017.........SUNRISE   620 AM CDT   SUNSET   726 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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