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
000
CDUS43 KLOT 182243
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CST SAT FEB 18 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR FEBRUARY 18 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         70R   345 PM  62    1981  36     34       42
                                      1961
  MINIMUM         43    655 AM -14    1936  21     22       23
  AVERAGE         57                        28     29       33

PRECIPITATION (IN)
  TODAY            0.00          1.15 1908   0.07  -0.07     0.00
  MONTH TO DATE    0.47                      1.04  -0.57     1.00
  SINCE DEC 1      5.11                      5.02   0.09     6.71
  SINCE JAN 1      3.34                      2.77   0.57     1.84

SNOWFALL (IN)
  TODAY            0.0          11.5  1908   0.3   -0.3      0.0
  MONTH TO DATE    T                         6.2   -6.2      3.8
  SINCE DEC 1     18.3                      25.2   -6.9     14.6
  SINCE JUL 1     18.3                      26.6   -8.3     25.8

DEGREE DAYS
 HEATING
  TODAY            8                        36    -28       32
  MONTH TO DATE  565                       698   -133      714
  SINCE DEC 1   2913                      3132   -219     2753
  SINCE JUL 1   3742                      4388   -646     3726

 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    15   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     8.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    65           700 AM
 LOWEST     26           200 PM
 AVERAGE    46

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        65      1930
 MINIMUM TEMPERATURE (F)   21        -8      2015


SUNRISE AND SUNSET
FEBRUARY 18 2017......SUNRISE   643 AM CST   SUNSET   529 PM CST
FEBRUARY 19 2017......SUNRISE   641 AM CST   SUNSET   530 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.