Climatological Report (Daily)
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CDUS43 KLOT 200633
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT TUE JUN 20 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 19 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         80    110 PM 102    1953  81     -1       89
  MINIMUM         62   1159 PM  43    1980  59      3       62
  AVERAGE         71                        70      1       76

PRECIPITATION (IN)
  YESTERDAY        0.03          3.97 2009   0.11  -0.08     0.00
  MONTH TO DATE    1.39                      2.24  -0.85     1.51
  SINCE JUN 1      1.39                      2.24  -0.85     1.51
  SINCE JAN 1     19.50                     15.32   4.18    15.15

SNOWFALL (IN)
  YESTERDAY        T   R         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                         1     -1        0
  MONTH TO DATE    0                        42    -42       12
  SINCE JUN 1      0                        42    -42       12
  SINCE JUL 1   5284                      6334  -1050     5427

 COOLING
  YESTERDAY        6                         6      0       11
  MONTH TO DATE  176                        83     93      121
  SINCE JUN 1    176                        83     93      121
  SINCE JAN 1    209                       137     72      195
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED    10.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  RAIN
  LIGHT RAIN
  HAIL


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           500 AM
 LOWEST     39           100 PM
 AVERAGE    59

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81       104      1988
                                             1953
 MINIMUM TEMPERATURE (F)   60        43      1992
                                             1980


SUNRISE AND SUNSET
JUNE 20 2017..........SUNRISE   516 AM CDT   SUNSET   830 PM CDT
JUNE 21 2017..........SUNRISE   516 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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