Climatological Report (Daily)
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CDUS43 KLOT 300635
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST FRI JAN 30 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 29 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         35    757 AM  63    2013  31      4       23
  MINIMUM         28   1159 PM -16    1966  17     11        1
                                      1873
  AVERAGE         32                        24      8       12

PRECIPITATION (IN)
  YESTERDAY        0.01          1.33 2013   0.05  -0.04     0.00
  MONTH TO DATE    1.29                      1.63  -0.34     2.81
  SINCE DEC 1      2.08                      3.88  -1.80     4.75
  SINCE JAN 1      1.29                      1.63  -0.34     2.81

SNOWFALL (IN)
  YESTERDAY        0.1           5.3  1909   0.3   -0.2      0.0
  MONTH TO DATE   12.6                      10.0    2.6     33.1
  SINCE DEC 1     12.6                      18.5   -5.9     47.3
  SINCE JUL 1     15.5                      19.9   -4.4     48.2
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       33                        41     -8       53
  MONTH TO DATE 1239                      1197     42     1441
  SINCE DEC 1   2254                      2352    -98     2724
  SINCE JUL 1   3697                      3608     89     4007

 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    26   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED    13.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           600 AM
 LOWEST     56           900 PM
 AVERAGE    69

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   32        55      1988
 MINIMUM TEMPERATURE (F)   17       -15      1966
                                             1951


SUNRISE AND SUNSET
JANUARY 30 2015.......SUNRISE   707 AM CST   SUNSET   504 PM CST
JANUARY 31 2015.......SUNRISE   706 AM CST   SUNSET   505 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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