Climatological Report (Daily)
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CDUS43 KLOT 040641
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
141 AM CDT THU SEP 4 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 3 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         83    435 PM  97    1953  79      4       77
  MINIMUM         61    556 AM  47    1974  60      1       57
  AVERAGE         72                        69      3       67

PRECIPITATION (IN)
  YESTERDAY        0.00          1.92 1961   0.11  -0.11     0.00
  MONTH TO DATE    0.37                      0.35   0.02     0.14
  SINCE SEP 1      0.37                      0.35   0.02     0.14
  SINCE JAN 1     32.45                     25.48   6.97    32.51

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      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    0                         3     -3        0
  SINCE SEP 1      0                         3     -3        0
  SINCE JUL 1      5                        16    -11       11

 COOLING
  YESTERDAY        7                         5      2        2
  MONTH TO DATE   29                        17     12       17
  SINCE SEP 1     29                        17     12       17
  SINCE JAN 1    744                       757    -13      782
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     6.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           600 AM
 LOWEST     42          1200 PM
 AVERAGE    66

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        95      1983
                                             1960
                                             1954
 MINIMUM TEMPERATURE (F)   59        45      1997
                                             1982


SUNRISE AND SUNSET
SEPTEMBER  4 2014.....SUNRISE   620 AM CDT   SUNSET   720 PM CDT
SEPTEMBER  5 2014.....SUNRISE   621 AM CDT   SUNSET   718 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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