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
000
CDUS43 KLOT 290632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 AM CST MON DEC 29 2014


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 28 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         35    328 PM  69    1984  32      3       50
  MINIMUM         22    817 AM -13    1924  18      4       33
  AVERAGE         29                        25      4       42

PRECIPITATION (IN)
  YESTERDAY        0.00          1.13 1968   0.06  -0.06     0.00
  MONTH TO DATE    0.79                      2.07  -1.28     1.59
  SINCE DEC 1      0.79                      2.07  -1.28     1.59
  SINCE JAN 1     39.47                     36.71   2.76    41.74

SNOWFALL (IN)
  YESTERDAY        0.0           8.0  1987   0.3   -0.3      0.0
  MONTH TO DATE    T                         7.2   -7.2     10.7
  SINCE DEC 1      T                         7.2   -7.2     10.7
  SINCE JUL 1      2.9                       8.6   -5.7     11.6
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       36                        40     -4       23
  MONTH TO DATE  871                      1033   -162     1128
  SINCE DEC 1    871                      1033   -162     1128
  SINCE JUL 1   2314                      2289     25     2411

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    799                       843    -44      933
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     7.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           700 AM
 LOWEST     40           300 PM
 AVERAGE    62

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   32        63      1984
 MINIMUM TEMPERATURE (F)   18       -15      1880


SUNRISE AND SUNSET
DECEMBER 29 2014......SUNRISE   719 AM CST   SUNSET   428 PM CST
DECEMBER 30 2014......SUNRISE   719 AM CST   SUNSET   429 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.