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 300635
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST THU NOV 30 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 29 2017...

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)
 YESTERDAY
  MAXIMUM         47    253 PM  68    1998  41      6       57
  MINIMUM         34    656 AM  -2    1872  26      8       44
  AVERAGE         41                        34      7       51

PRECIPITATION (IN)
  YESTERDAY        0.00          1.73 2006   0.11  -0.11     0.00
  MONTH TO DATE    1.75                      3.05  -1.30     1.69
  SINCE SEP 1     10.77                      9.41   1.36     7.22
  SINCE JAN 1     42.51                     34.54   7.97    34.20

SNOWFALL (IN)
  YESTERDAY        0.0           2.4  1953   0.1   -0.1      0.0
  MONTH TO DATE    0.1                       1.1   -1.0       T
  SINCE SEP 1      0.1                       1.3   -1.2       T
  SINCE JUL 1      0.1                       1.3   -1.2       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       24                        31     -7       14
  MONTH TO DATE  732                       707     25      515
  SINCE SEP 1   1020                      1209   -189      804
  SINCE JUL 1   1025                      1222   -197      804

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        3
  SINCE SEP 1    208                       103    105      192
  SINCE JAN 1    991                       843    148     1157
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     7.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           800 PM
 LOWEST     40          1200 AM
 AVERAGE    58

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   40        66      1962
 MINIMUM TEMPERATURE (F)   26        -1      1947


SUNRISE AND SUNSET
NOVEMBER 30 2017......SUNRISE   659 AM CST   SUNSET   421 PM CST
DECEMBER  1 2017......SUNRISE   700 AM CST   SUNSET   421 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.