Climatological Report (Daily)
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CDUS43 KLOT 010639
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
138 AM CDT MON SEP 1 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 31 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         85    335 PM  99    1953  80      5       78
  MINIMUM         68    526 AM  47    1872  61      7       71
  AVERAGE         77                        70      7       75

PRECIPITATION (IN)
  YESTERDAY        0.00          1.24 1977   0.14  -0.14     0.07
  MONTH TO DATE    7.30                      4.90   2.40     1.69
  SINCE JUN 1     17.25                     12.05   5.20    10.14
  SINCE JAN 1     32.08                     25.13   6.95    32.37

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 JUN 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    0                         4     -4        2
  SINCE JUN 1     17                        61    -44       54
  SINCE JUL 1      5                        13     -8       11

 COOLING
  YESTERDAY       12                         6      6       10
  MONTH TO DATE  277                       238     39      257
  SINCE JUN 1    654                       686    -32      681
  SINCE JAN 1    715                       740    -25      765
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     6.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           600 AM
 LOWEST     47           500 PM
 AVERAGE    72

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80       101      1953
 MINIMUM TEMPERATURE (F)   60        45      1949


SUNRISE AND SUNSET
SEPTEMBER  1 2014.....SUNRISE   617 AM CDT   SUNSET   725 PM CDT
SEPTEMBER  2 2014.....SUNRISE   618 AM CDT   SUNSET   723 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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