Climatological Report (Daily)
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894
CDUS43 KLOT 210636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT WED JUN 21 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 20 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    114 PM 104    1988  81     -1       93
                                      1953
  MINIMUM         58    412 AM  43    1992  60     -2       70
                                      1980
  AVERAGE         69                        70     -1       82

PRECIPITATION (IN)
  YESTERDAY        T             2.71 1928   0.12  -0.12      T
  MONTH TO DATE    1.39                      2.36  -0.97     1.51
  SINCE JUN 1      1.39                      2.36  -0.97     1.51
  SINCE JAN 1     19.50                     15.44   4.06    15.15

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                         1     -1        0
  MONTH TO DATE    0                        43    -43       12
  SINCE JUN 1      0                        43    -43       12
  SINCE JUL 1   5284                      6335  -1051     5427

 COOLING
  YESTERDAY        4                         6     -2       17
  MONTH TO DATE  180                        89     91      138
  SINCE JUN 1    180                        89     91      138
  SINCE JAN 1    213                       143     70      212
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     9.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           400 AM
 LOWEST     35          1100 AM
 AVERAGE    61

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82       101      1988
 MINIMUM TEMPERATURE (F)   60        38      1992


SUNRISE AND SUNSET
JUNE 21 2017..........SUNRISE   516 AM CDT   SUNSET   831 PM CDT
JUNE 22 2017..........SUNRISE   517 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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