Climatological Report (Daily)
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000
CDUS43 KLOT 230646
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
145 AM CDT WED AUG 23 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 22 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         82    158 PM  99    1936  82      0       78
  MINIMUM         64   1159 PM  49    2004  63      1       56
  AVERAGE         73                        72      1       67

PRECIPITATION (IN)
  YESTERDAY        0.02          4.45 2002   0.15  -0.13     0.00
  MONTH TO DATE    2.10                      3.60  -1.50     2.34
  SINCE JUN 1     13.22                     10.75   2.47    11.42
  SINCE JAN 1     31.33                     23.83   7.50    25.06

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      T                         0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    3                         0      3        0
  SINCE JUN 1      6                        52    -46       13
  SINCE JUL 1      3                         4     -1        0

 COOLING
  YESTERDAY        8                         7      1        2
  MONTH TO DATE  180                       180      0      252
  SINCE JUN 1    716                       628     88      800
  SINCE JAN 1    749                       682     67      874
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED    13.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           100 AM
 LOWEST     35           400 PM
 AVERAGE    60

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        97      1947
 MINIMUM TEMPERATURE (F)   62        48      1904


SUNRISE AND SUNSET
AUGUST 23 2017........SUNRISE   608 AM CDT   SUNSET   739 PM CDT
AUGUST 24 2017........SUNRISE   609 AM CDT   SUNSET   738 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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