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 120636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST FRI JAN 12 2018


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 11 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         59    342 PM  61    1880  31     28       43
  MINIMUM         23   1159 PM -11    1977  16      7       25
                                      1888
                                      1887
  AVERAGE         41                        24     17       34

PRECIPITATION (IN)
  YESTERDAY        0.36          0.64 1918   0.06   0.30     0.33
  MONTH TO DATE    0.40                      0.68  -0.28     0.66
  SINCE DEC 1      0.99                      2.93  -1.94     2.43
  SINCE JAN 1      0.40                      0.68  -0.28     0.66

SNOWFALL (IN)
  YESTERDAY        0.0           5.9  2011   0.3   -0.3      0.0
                                      1918
  MONTH TO DATE    0.1                       3.6   -3.5      0.2
  SINCE DEC 1      5.4                      11.8   -6.4     17.9
  SINCE JUL 1      5.5                      13.2   -7.7     17.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       24                        41    -17       31
  MONTH TO DATE  518                       451     67      480
  SINCE DEC 1   1683                      1606     77     1711
  SINCE JUL 1   2726                      2862   -136     2540

 COOLING
  YESTERDAY        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    SW (220)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED    16.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           900 AM
 LOWEST     74          1100 PM
 AVERAGE    84

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        62      2005
                                             1890
 MINIMUM TEMPERATURE (F)   16       -14      1918


SUNRISE AND SUNSET
JANUARY 12 2018.......SUNRISE   718 AM CST   SUNSET   442 PM CST
JANUARY 13 2018.......SUNRISE   718 AM CST   SUNSET   443 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.