Climatological Report (Daily)
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
096
CDUS43 KLOT 220709
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
208 AM CDT SAT JUL 22 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 21 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         89    222 PM 103    1901  84      5       91
  MINIMUM         72   1159 PM  51    1970  64      8       72
  AVERAGE         81                        74      7       82

PRECIPITATION (IN)
  YESTERDAY        1.43          1.78 1999   0.13   1.30     1.03
  MONTH TO DATE    6.78                      2.36   4.42     3.40
  SINCE JUN 1     10.22                      5.81   4.41     6.25
  SINCE JAN 1     28.33                     18.89   9.44    19.89

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      T                         0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      3                        48    -45       13
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       16                         9      7       17
  MONTH TO DATE  209                       188     21      200
  SINCE JUN 1    439                       353     86      416
  SINCE JAN 1    472                       407     65      490
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     6.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  HAIL
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1000 PM
 LOWEST     55           200 PM
 AVERAGE    74

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


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 2017..........SUNRISE   536 AM CDT   SUNSET   820 PM CDT
JULY 23 2017..........SUNRISE   537 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.




$$




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.