Climatological Report (Daily)
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CDUS43 KLOT 310631
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT MON AUG 31 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 30 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         77    341 PM  96    2013  80     -3       83
                                      1953
                                      1925
  MINIMUM         62   1145 PM  47    1946  61      1       70
                                      1915
  AVERAGE         70                        70      0       77

PRECIPITATION (IN)
  YESTERDAY        0.00          4.31 2001   0.14  -0.14     0.27
  MONTH TO DATE    2.16                      4.76  -2.60     7.30
  SINCE JUN 1     12.13                     11.91   0.22    17.25
  SINCE JAN 1     23.62                     24.99  -1.37    32.08

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      T                         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    5                         3      2        0
  SINCE JUN 1     57                        55      2       17
  SINCE JUL 1     18                         7     11        5

 COOLING
  YESTERDAY        5                         6     -1       12
  MONTH TO DATE  216                       233    -17      265
  SINCE JUN 1    580                       681   -101      642
  SINCE JAN 1    633                       735   -102      703
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     4.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     60           300 PM
 AVERAGE    80

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


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


SUNRISE AND SUNSET
AUGUST 31 2015........SUNRISE   616 AM CDT   SUNSET   727 PM CDT
SEPTEMBER  1 2015.....SUNRISE   617 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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