Climatological Report (Daily)
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000
CDUS43 KLOT 310647
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1247 AM CST SUN JAN 31 2016


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 30 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         46   1057 PM  55    1988  32     14       30
  MINIMUM         35    753 AM -15    1966  17     18       18
                                      1951
  AVERAGE         41                        24     17       24

PRECIPITATION (IN)
  YESTERDAY        T             0.97 1939   0.05  -0.05      T
  MONTH TO DATE    0.82                      1.68  -0.86     1.29
  SINCE DEC 1      5.69                      3.93   1.76     2.08
  SINCE JAN 1      0.82                      1.68  -0.86     1.29

SNOWFALL (IN)
  YESTERDAY       MM            14.9  1939   0.4   MM         T
  MONTH TO DATE    6.3                      10.4   -4.1     12.6
  SINCE DEC 1     10.8                      18.9   -8.1     12.6
  SINCE JUL 1     22.0                      20.3    1.7     15.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       24                        41    -17       41
  MONTH TO DATE 1215                      1238    -23     1280
  SINCE DEC 1   2015                      2393   -378     2295
  SINCE JUL 1   2988                      3649   -661     3738

 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    20   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     8.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           800 AM
 LOWEST     60           200 PM
 AVERAGE    75

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   32        65      1989
 MINIMUM TEMPERATURE (F)   17       -12      1985
                                             1899


SUNRISE AND SUNSET
JANUARY 31 2016.......SUNRISE   706 AM CST   SUNSET   505 PM CST
FEBRUARY  1 2016......SUNRISE   705 AM CST   SUNSET   506 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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