Climatological Report (Daily)
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CDUS43 KLOT 300641
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
139 AM CDT FRI JUN 30 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 29 2017...

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)
 YESTERDAY
  MAXIMUM         81    326 PM  97    1954  83     -2       81
  MINIMUM         66   1226 AM  48    1989  62      4       55
  AVERAGE         74                        73      1       68

PRECIPITATION (IN)
  YESTERDAY        0.02          2.81 1933   0.11  -0.09     0.00
  MONTH TO DATE    3.44                      3.35   0.09     2.85
  SINCE JUN 1      3.44                      3.35   0.09     2.85
  SINCE JAN 1     21.55                     16.43   5.12    16.49

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    T                         0.0    0.0      0.0
  SINCE JUN 1      T                         0.0    0.0      0.0
  SINCE JUL 1     26.1                      36.3  -10.2     31.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    3                        48    -45       13
  SINCE JUN 1      3                        48    -45       13
  SINCE JUL 1   5287                      6340  -1053     5428

 COOLING
  YESTERDAY        9                         8      1        3
  MONTH TO DATE  221                       156     65      213
  SINCE JUN 1    221                       156     65      213
  SINCE JAN 1    254                       210     44      287
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    11.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     58           300 PM
 AVERAGE    76

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        99      1953
                                             1913
 MINIMUM TEMPERATURE (F)   62        45      1943


SUNRISE AND SUNSET
JUNE 30 2017..........SUNRISE   520 AM CDT   SUNSET   831 PM CDT
JULY  1 2017..........SUNRISE   520 AM CDT   SUNSET   831 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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