Climatological Report (Daily)
Issued by NWS

Home | Current Version | Previous Version | Text Only | 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
190
CDUS43 KLOT 150633
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST FRI DEC 15 2017


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 14 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1928 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         30    147 PM  66    1975  35     -5       21
  MINIMUM         18    803 AM  -4    1985  23     -5        4
  AVERAGE         24                        29     -5       13

PRECIPITATION (IN)
  YESTERDAY        T             1.00 2011   0.08  -0.08      T
  MONTH TO DATE    0.05                      1.28  -1.23     0.86
  SINCE DEC 1      0.05                      1.28  -1.23     0.86
  SINCE JAN 1     41.33                     37.80   3.53    32.22

DEGREE DAYS
 HEATING
  YESTERDAY       41                        36      5       52
  MONTH TO DATE  436                       471    -35      521
  SINCE DEC 1    436                       471    -35      521
  SINCE JUL 1   1419                      1606   -187     1233

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1151                      1045    106     1465
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  NW (320)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     8.4



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


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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        64        MM
 MINIMUM TEMPERATURE (F)   23        -8      1989
                                             1951


SUNRISE AND SUNSET
DECEMBER 15 2017......SUNRISE   711 AM CST   SUNSET   421 PM CST
DECEMBER 16 2017......SUNRISE   712 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.