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 152235
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CST WED FEB 15 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR FEBRUARY 15 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         35    340 PM  69    1954  35      0       27
  MINIMUM         26    637 AM  -9    1905  20      6       18
                                      1875
  AVERAGE         31                        28      3       23

PRECIPITATION (IN)
  TODAY            0.00          0.78 1954   0.06  -0.06     0.01
  MONTH TO DATE    0.47                      0.84  -0.37     0.96
  SINCE DEC 1      5.11                      4.82   0.29     6.67
  SINCE JAN 1      3.34                      2.57   0.77     1.80

SNOWFALL (IN)
  TODAY            0.0           5.2  1903   0.3   -0.3      0.1
                                      1973
  MONTH TO DATE    T                         5.2   -5.2      3.4
  SINCE DEC 1     18.3                      24.2   -5.9     14.2
  SINCE JUL 1     18.3                      25.6   -7.3     25.4

DEGREE DAYS
 HEATING
  TODAY           34                        37     -3       42
  MONTH TO DATE  510                       588    -78      609
  SINCE DEC 1   2858                      3022   -164     2648
  SINCE JUL 1   3687                      4278   -591     3621

 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    21   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED    13.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    61          1200 AM
 LOWEST     39           200 AM
 AVERAGE    50

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        58      1921
 MINIMUM TEMPERATURE (F)   20       -10      1885


SUNRISE AND SUNSET
FEBRUARY 15 2017......SUNRISE   647 AM CST   SUNSET   525 PM CST
FEBRUARY 16 2017......SUNRISE   646 AM CST   SUNSET   526 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.