Climatological Report (Daily)
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000
CDUS43 KLOT 220639
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1236 AM CST THU JAN 22 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 21 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         33    115 PM  62    1906  31      2       13
  MINIMUM         29   1159 PM -22    1984  16     13        0
  AVERAGE         31                        24      7        7

PRECIPITATION (IN)
  YESTERDAY        0.01          1.49 1916   0.05  -0.04     0.07
  MONTH TO DATE    1.12                      1.23  -0.11     2.62
  SINCE DEC 1      1.91                      3.48  -1.57     4.56
  SINCE JAN 1      1.12                      1.23  -0.11     2.62

SNOWFALL (IN)
  YESTERDAY        0.1           5.0  1958   0.4   -0.3      2.5
  MONTH TO DATE   10.9                       7.2    3.7     29.7
  SINCE DEC 1     10.9                      15.7   -4.8     43.9
  SINCE JUL 1     13.8                      17.1   -3.3     44.8
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       34                        42     -8       58
  MONTH TO DATE  950                       868     82      990
  SINCE DEC 1   1965                      2023    -58     2273
  SINCE JUL 1   3408                      3279    129     3556

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     7.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LT FREEZING RAIN
  SNOW
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92          1200 AM
 LOWEST     69           700 PM
 AVERAGE    81

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        59      1909
 MINIMUM TEMPERATURE (F)   16       -17      1936
                                             1883


SUNRISE AND SUNSET
JANUARY 22 2015.......SUNRISE   713 AM CST   SUNSET   454 PM CST
JANUARY 23 2015.......SUNRISE   712 AM CST   SUNSET   455 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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