Climatological Report (Daily)
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000
CDUS43 KLOT 210644
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT SUN JUN 21 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 20 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         78    415 PM 104    1988  81     -3       85
                                      1953
  MINIMUM         53    421 AM  43    1992  60     -7       63
                                      1980
  AVERAGE         66                        70     -4       74

PRECIPITATION (IN)
  YESTERDAY        0.31          2.71 1928   0.12   0.19     0.01
  MONTH TO DATE    5.08                      2.36   2.72     3.40
  SINCE JUN 1      5.08                      2.36   2.72     3.40
  SINCE JAN 1     16.57                     15.44   1.13    18.23

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      0.0                       0.0    0.0      0.0
  SINCE JUL 1     50.7                      36.6   14.1     82.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   37                        43     -6       12
  SINCE JUN 1     37                        43     -6       12
  SINCE JUL 1   6774                      6335    439     7135

 COOLING
  YESTERDAY        1                         6     -5        9
  MONTH TO DATE   69                        89    -20      104
  SINCE JUN 1     69                        89    -20      104
  SINCE JAN 1    122                       143    -21      165
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     7.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           700 AM
 LOWEST     62           300 PM
 AVERAGE    70

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


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 2015..........SUNRISE   516 AM CDT   SUNSET   831 PM CDT
JUNE 22 2015..........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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