Climatological Report (Daily)
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CDUS43 KLOT 090632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT SUN APR 9 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 8 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         68    304 PM  80    1931  56     12       41
  MINIMUM         37    552 AM  20    1972  36      1       26
                                      1914
  AVERAGE         53                        46      7       34

PRECIPITATION (IN)
  YESTERDAY        0.00          1.35 1999   0.11  -0.11     0.10
  MONTH TO DATE    1.54                      0.84   0.70     0.59
  SINCE MAR 1      5.55                      3.34   2.21     3.93
  SINCE JAN 1      9.94                      6.86   3.08     6.00

SNOWFALL (IN)
  YESTERDAY        0.0           4.5  1938   0.0    0.0      0.7
  MONTH TO DATE    0.0                       0.6   -0.6      1.1
  SINCE MAR 1      7.8                       6.2    1.6      3.7
  SINCE JUL 1     26.1                      35.7   -9.6     31.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       12                        19     -7       31
  MONTH TO DATE  133                       162    -29      210
  SINCE MAR 1    918                      1003    -85      875
  SINCE JUL 1   4843                      5737   -894     4883

 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    25   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED    13.8


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    59           500 AM
 LOWEST     33          1000 AM
 AVERAGE    46

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        80      1887
 MINIMUM TEMPERATURE (F)   37        20      1989


SUNRISE AND SUNSET
APRIL  9 2017.........SUNRISE   620 AM CDT   SUNSET   726 PM CDT
APRIL 10 2017.........SUNRISE   619 AM CDT   SUNSET   727 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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