Climatological Report (Daily)
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CDUS43 KLOT 070640
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT TUE APR 7 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 6 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         62   1235 PM  84    1929  55      7       57
  MINIMUM         34    325 AM  15    1982  36     -2       31
  AVERAGE         48                        45      3       44

PRECIPITATION (IN)
  YESTERDAY        0.04          1.13 1938   0.10  -0.06     0.00
  MONTH TO DATE    0.40                      0.62  -0.22     0.53
  SINCE MAR 1      1.50                      3.12  -1.62     2.24
  SINCE JAN 1      4.36                      6.64  -2.28     7.54

SNOWFALL (IN)
  YESTERDAY        0.0           9.0  1938   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.5   -0.5      0.0
  SINCE MAR 1      7.1                       6.1    1.0     12.3
  SINCE JUL 1     50.7                      35.9   14.8     80.6
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       17                        20     -3       21
  MONTH TO DATE   94                       124    -30      140
  SINCE MAR 1   1004                       965     39     1165
  SINCE JUL 1   6184                      5699    485     6580

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         1     -1        0
  SINCE JAN 1      0                         1     -1        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED     6.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           200 AM
 LOWEST     44          1200 PM
 AVERAGE    67

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        84      1893
 MINIMUM TEMPERATURE (F)   36         7      1982


SUNRISE AND SUNSET
APRIL  7 2015.........SUNRISE   625 AM CDT   SUNSET   724 PM CDT
APRIL  8 2015.........SUNRISE   623 AM CDT   SUNSET   725 PM CDT


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




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