Climatological Report (Daily)
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000
CDUS43 KLOT 012142
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT MON SEP 1 2014


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR SEPTEMBER 1 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         83    216 PM 101    1953  80      3       85
  MINIMUM         72    408 AM  45    1949  60     12       65
  AVERAGE         78                        70      8       75

PRECIPITATION (IN)
  TODAY            0.09          2.92 1977   0.12  -0.03     0.14
  MONTH TO DATE    0.09                      0.12  -0.03     0.14
  SINCE SEP 1      0.09                      0.12  -0.03     0.14
  SINCE JAN 1     32.17                     25.25   6.92    32.51

SNOWFALL (IN)
  TODAY            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

DEGREE DAYS
 HEATING
  TODAY            0                         1     -1        0
  MONTH TO DATE    0                         1     -1        0
  SINCE SEP 1      0                         1     -1        0
  SINCE JUL 1      5                        14     -9       11

 COOLING
  TODAY           13                         6      7       10
  MONTH TO DATE   13                         6      7       10
  SINCE SEP 1     13                         6      7       10
  SINCE JAN 1    728                       746    -18      775
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    12.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  RAIN
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           200 AM
 LOWEST     51           200 PM
 AVERAGE    68

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80       101      1953
 MINIMUM TEMPERATURE (F)   60        44      1946


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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