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
798
CDUS43 KLOT 272134
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT TUE SEP 27 2016


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR SEPTEMBER 27 2016...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         70    227 PM  91    1971  70      0       74
  MINIMUM         51    607 AM  31    1942  49      2       61
  AVERAGE         61                        60      1       68

PRECIPITATION (IN)
  TODAY            0.00          1.33 1936   0.10  -0.10      T
  MONTH TO DATE    1.15                      2.93  -1.78     4.24
  SINCE SEP 1      1.15                      2.93  -1.78     4.24
  SINCE JAN 1     28.13                     28.06   0.07    27.86

SNOWFALL (IN)
  TODAY            0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0       T

DEGREE DAYS
 HEATING
  TODAY            4                         7     -3        0
  MONTH TO DATE    7                        84    -77       26
  SINCE SEP 1      7                        84    -77       26
  SINCE JUL 1      7                        97    -90       44

 COOLING
  TODAY            0                         1     -1        3
  MONTH TO DATE  165                        89     76      158
  SINCE SEP 1    165                        89     76      158
  SINCE JAN 1   1130                       829    301      799
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    15.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    63           400 AM
 LOWEST     26          1200 PM
 AVERAGE    45

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        92      1953
 MINIMUM TEMPERATURE (F)   49        29      1942


SUNRISE AND SUNSET
SEPTEMBER 27 2016.....SUNRISE   645 AM CDT   SUNSET   639 PM CDT
SEPTEMBER 28 2016.....SUNRISE   646 AM CDT   SUNSET   638 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.