Climatological Report (Daily)
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CDUS43 KLOT 302134
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT WED AUG 30 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR AUGUST 30 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         82    253 PM  96    2013  80      2       84
                                      1953
                                      1925
  MINIMUM         60    544 AM  47    1946  61     -1       70
                                      1915
  AVERAGE         71                        70      1       77

PRECIPITATION (IN)
  TODAY            0.00          4.31 2001   0.14  -0.14     0.19
  MONTH TO DATE    2.51                      4.76  -2.25     4.26
  SINCE JUN 1     13.63                     11.91   1.72    13.34
  SINCE JAN 1     31.74                     24.99   6.75    26.98

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 JUN 1      T                         0.0    0.0      0.0
  SINCE JUL 1      T                         0.0    0.0      0.0

DEGREE DAYS
 HEATING
  TODAY            0                         1     -1        0
  MONTH TO DATE    5                         3      2        0
  SINCE JUN 1      8                        55    -47       13
  SINCE JUL 1      5                         7     -2        0

 COOLING
  TODAY            6                         6      0       12
  MONTH TO DATE  210                       233    -23      338
  SINCE JUN 1    746                       681     65      886
  SINCE JAN 1    779                       735     44      960
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     5.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          1200 AM
 LOWEST     43           300 PM
 AVERAGE    67

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        99      1953
 MINIMUM TEMPERATURE (F)   61        47      1872


SUNRISE AND SUNSET
AUGUST 30 2017........SUNRISE   615 AM CDT   SUNSET   728 PM CDT
AUGUST 31 2017........SUNRISE   616 AM CDT   SUNSET   726 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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