Climatological Report (Daily)
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CDUS43 KLOT 122135
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT THU MAY 12 2016


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 12 2016...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         70    258 PM  92    1956  69      1       56
  MINIMUM         54   1226 AM  31    1981  47      7       44
  AVERAGE         62                        58      4       50

PRECIPITATION (IN)
  TODAY            0.48          2.67 1935   0.12   0.36      T
  MONTH TO DATE    2.99                      1.39   1.60     2.81
  SINCE MAR 1      9.13                      7.27   1.86     6.78
  SINCE JAN 1     11.20                     10.79   0.41     9.64

SNOWFALL (IN)
  TODAY            0.0           T    1923   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      3.7                       6.8   -3.1      7.1
  SINCE JUL 1     31.2                      36.6   -5.4     50.7

DEGREE DAYS
 HEATING
  TODAY            3                         8     -5       15
  MONTH TO DATE  120                       114      6       76
  SINCE MAR 1   1302                      1447   -145     1446
  SINCE JUL 1   5310                      6181   -871     6626

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE    0                        10    -10       12
  SINCE MAR 1      7                        20    -13       12
  SINCE JAN 1      7                        20    -13       12
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     8.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM
  HEAVY RAIN
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     55           300 PM
 AVERAGE    78

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        89      1991
                                             1956
 MINIMUM TEMPERATURE (F)   47        34      1996
                                             1888


SUNRISE AND SUNSET
MAY 12 2016...........SUNRISE   534 AM CDT   SUNSET   803 PM CDT
MAY 13 2016...........SUNRISE   533 AM CDT   SUNSET   804 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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