Climatological Report (Daily)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
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

000
CDUS43 KLOT 122139
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT FRI SEP 12 2014


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR SEPTEMBER 12 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         55   1221 PM  96    1952  76    -21       82
  MINIMUM         49    259 PM  44    1955  56     -7       62
  AVERAGE         52                        66    -14       72

PRECIPITATION (IN)
  TODAY            0.04          2.43 1961   0.10  -0.06      T
  MONTH TO DATE    2.49                      1.34   1.15     0.15
  SINCE SEP 1      2.49                      1.34   1.15     0.15
  SINCE JAN 1     34.57                     26.47   8.10    32.52

SNOWFALL (IN)
  TODAY           MM             0.0    MM   0.0   MM        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      0.0

DEGREE DAYS
 HEATING
  TODAY           13                         2     11        0
  MONTH TO DATE   25                        17      8        0
  SINCE SEP 1     25                        17      8        0
  SINCE JUL 1     30                        30      0       11

 COOLING
  TODAY            0                         4     -4        7
  MONTH TO DATE   68                        57     11      116
  SINCE SEP 1     68                        57     11      116
  SINCE JAN 1    783                       797    -14      881
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED    11.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           300 PM
 LOWEST     59          1100 AM
 AVERAGE    76

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        98      1939
 MINIMUM TEMPERATURE (F)   56        39      1890


SUNRISE AND SUNSET
SEPTEMBER 12 2014.....SUNRISE   629 AM CDT   SUNSET   706 PM CDT
SEPTEMBER 13 2014.....SUNRISE   630 AM CDT   SUNSET   705 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.