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 232249
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
446 PM CST TUE DEC 23 2014

...................................
...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR DECEMBER 23 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         48    154 PM  62    1982  33     15       26
  MINIMUM         41    123 AM -21    1983  19     22       -1
  AVERAGE         45                        26     19       13

PRECIPITATION (IN)
  TODAY            0.19          2.50 1871   0.06   0.13      T
  MONTH TO DATE    0.79                      1.77  -0.98     1.51
  SINCE DEC 1      0.79                      1.77  -0.98     1.51
  SINCE JAN 1     39.47                     36.41   3.06    41.66

SNOWFALL (IN)
  TODAY            0.0          10.2  1961   0.2   -0.2      0.1
  MONTH TO DATE    T                         5.7   -5.7      9.4
  SINCE DEC 1      T                         5.7   -5.7      9.4
  SINCE JUL 1      2.9                       7.1   -4.2     10.3

DEGREE DAYS
 HEATING
  TODAY           20                        39    -19       52
  MONTH TO DATE  732                       834   -102      931
  SINCE DEC 1    732                       834   -102      931
  SINCE JUL 1   2175                      2090     85     2214

 COOLING
  TODAY            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    22   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    13.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 AM
 LOWEST     61           200 PM
 AVERAGE    81

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        64      1889
 MINIMUM TEMPERATURE (F)   19       -25      1983


SUNRISE AND SUNSET
DECEMBER 23 2014......SUNRISE   717 AM CST   SUNSET   424 PM CST
DECEMBER 24 2014......SUNRISE   718 AM CST   SUNSET   425 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.