Climatological Report (Daily)
Issued by NWS

Home | Current Version | Previous Version | Text Only | 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
000
CDUS43 KLOT 012242
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CST SUN FEB 1 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR FEBRUARY 1 2015...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         31    424 AM  56    1968  32     -1       31
  MINIMUM         22    359 PM -14    1985  17      5       20
  AVERAGE         27                        24      3       26

PRECIPITATION (IN)
  TODAY            0.86R         0.74 2011   0.05   0.81     0.43
  MONTH TO DATE    0.86                      0.05   0.81     0.43
  SINCE DEC 1      3.06                      4.03  -0.97     5.19
  SINCE JAN 1      2.27                      1.78   0.49     3.25

SNOWFALL (IN)   (THROUGH NOON)
  TODAY            7.2          13.6  2011   0.4    6.8      3.8
  MONTH TO DATE    7.2                       0.4    6.8      3.8
  SINCE DEC 1     21.1                      19.7    1.4     51.7
  SINCE JUL 1     24.0                      21.1    2.9     52.6

DEGREE DAYS
 HEATING
  TODAY           38                        41     -3       39
  MONTH TO DATE   38                        41     -3       39
  SINCE DEC 1   2370                      2475   -105     2843
  SINCE JUL 1   3813                      3731     82     4126

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED    15.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HEAVY SNOW
  SNOW
  LIGHT SNOW
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  BLOWING SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     88           200 PM
 AVERAGE    94

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   32        51      1992
 MINIMUM TEMPERATURE (F)   17       -16      1996


SUNRISE AND SUNSET
FEBRUARY  1 2015......SUNRISE   705 AM CST   SUNSET   506 PM CST
FEBRUARY  2 2015......SUNRISE   704 AM CST   SUNSET   508 PM CST


-  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.