Climatological Report (Daily)
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712
CDUS43 KLOT 170639
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT SAT SEP 17 2016


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 16 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         83    214 PM  92    1955  75      8       83
                                      1931
  MINIMUM         65    246 AM  37    1984  54     11       56
  AVERAGE         74                        65      9       70

PRECIPITATION (IN)
  YESTERDAY        0.01          1.16 1980   0.11  -0.10     0.00
  MONTH TO DATE    0.55                      1.76  -1.21     1.42
  SINCE SEP 1      0.55                      1.76  -1.21     1.42
  SINCE JAN 1     27.53                     26.89   0.64    25.04

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 SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE    1                        29    -28       18
  SINCE SEP 1      1                        29    -28       18
  SINCE JUL 1      1                        42    -41       36

 COOLING
  YESTERDAY        9                         3      6        5
  MONTH TO DATE  105                        69     36      130
  SINCE SEP 1    105                        69     36      130
  SINCE JAN 1   1070                       809    261      771
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED    12.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79          1100 PM
 LOWEST     58           200 PM
 AVERAGE    69

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        93      1955
 MINIMUM TEMPERATURE (F)   54        37      1984


SUNRISE AND SUNSET
SEPTEMBER 17 2016.....SUNRISE   634 AM CDT   SUNSET   657 PM CDT
SEPTEMBER 18 2016.....SUNRISE   635 AM CDT   SUNSET   655 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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