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
369
CDUS43 KLOT 130631
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1231 AM CST MON NOV 13 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 12 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         40   1249 PM  70    1949  50    -10       52
                                      1938
                                      1902
  MINIMUM         36    636 AM   8    1986  34      2       31
  AVERAGE         38                        42     -4       42

PRECIPITATION (IN)
  YESTERDAY        0.13          0.96 1879   0.10   0.03     0.00
  MONTH TO DATE    0.88                      1.22  -0.34     0.21
  SINCE SEP 1      9.90                      7.58   2.32     5.74
  SINCE JAN 1     41.64                     32.71   8.93    32.72

SNOWFALL (IN)
  YESTERDAY        T             3.4  1959   0.0    0.0      0.0
  MONTH TO DATE    0.1                       0.1    0.0      0.0
  SINCE SEP 1      0.1                       0.3   -0.2      0.0
  SINCE JUL 1      0.1                       0.3   -0.2      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       27                        23      4       23
  MONTH TO DATE  313                       244     69      134
  SINCE SEP 1    601                       746   -145      423
  SINCE JUL 1    606                       759   -153      423

 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    12   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     4.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           200 PM
 LOWEST     64          1200 AM
 AVERAGE    78

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   50        73      1989
 MINIMUM TEMPERATURE (F)   34         6      1986


SUNRISE AND SUNSET
NOVEMBER 13 2017......SUNRISE   639 AM CST   SUNSET   432 PM CST
NOVEMBER 14 2017......SUNRISE   641 AM CST   SUNSET   431 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.