Climatological Report (Daily)
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000
CDUS43 KLOT 220641
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT WED JUL 22 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 21 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         82    257 PM 103    1901  84     -2       86
  MINIMUM         65   1041 PM  51    1970  64      1       63
  AVERAGE         74                        74      0       75

PRECIPITATION (IN)
  YESTERDAY        0.00          1.78 1999   0.13  -0.13     0.00
  MONTH TO DATE    2.85                      2.36   0.49     2.10
  SINCE JUN 1      9.97                      5.81   4.16     9.91
  SINCE JAN 1     21.46                     18.89   2.57    24.74

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                         0      0        0
  MONTH TO DATE   13                         0     13        5
  SINCE JUN 1     52                        48      4       17
  SINCE JUL 1     13                         0     13        5

 COOLING
  YESTERDAY        9                         9      0       10
  MONTH TO DATE  132                       188    -56      122
  SINCE JUN 1    250                       353   -103      320
  SINCE JAN 1    303                       407   -104      381
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     8.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           400 AM
 LOWEST     35           200 PM
 AVERAGE    57

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84       101      1991
                                             1934
 MINIMUM TEMPERATURE (F)   64        49      1947


SUNRISE AND SUNSET
JULY 22 2015..........SUNRISE   535 AM CDT   SUNSET   820 PM CDT
JULY 23 2015..........SUNRISE   536 AM CDT   SUNSET   819 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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