Climatological Report (Daily)
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CDUS43 KLOT 180635
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT WED MAY 18 2016


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 17 2016...

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)
 YESTERDAY
  MAXIMUM         57    500 PM  94    1962  70    -13       82
  MINIMUM         44   1039 PM  36    2002  49     -5       66
                                      1973
  AVERAGE         51                        59     -8       74

PRECIPITATION (IN)
  YESTERDAY        T             1.38 1986   0.12  -0.12      T
                                      1969
  MONTH TO DATE    3.66                      1.99   1.67     3.08
  SINCE MAR 1      9.80                      7.87   1.93     7.05
  SINCE JAN 1     11.87                     11.39   0.48     9.91

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   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
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       14                         7      7        0
  MONTH TO DATE  192                       151     41      105
  SINCE MAR 1   1374                      1484   -110     1475
  SINCE JUL 1   5382                      6218   -836     6655

 COOLING
  YESTERDAY        0                         1     -1        9
  MONTH TO DATE    0                        15    -15       29
  SINCE MAR 1      7                        25    -18       29
  SINCE JAN 1      7                        25    -18       29
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED     9.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    71           800 AM
 LOWEST     41           500 PM
 AVERAGE    56

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        93      1962
 MINIMUM TEMPERATURE (F)   49        34      2002


SUNRISE AND SUNSET
MAY 18 2016...........SUNRISE   528 AM CDT   SUNSET   809 PM CDT
MAY 19 2016...........SUNRISE   527 AM CDT   SUNSET   810 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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