Climatological Report (Daily)
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000
CDUS43 KLOT 020636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1235 AM CST MON MAR 2 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 1 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         25    338 PM  71    1992  40    -15       31
  MINIMUM         10    527 AM  -5    1962  25    -15       11
  AVERAGE         18                        32    -14       21

PRECIPITATION (IN)
  YESTERDAY        T             1.09 2007   0.08  -0.08     0.29
  MONTH TO DATE    T                         0.08  -0.08     0.29
  SINCE MAR 1      T                         0.08  -0.08     0.29
  SINCE JAN 1      2.86                      3.60  -0.74     5.59

SNOWFALL (IN)
  YESTERDAY        T             4.6  1947   0.2   -0.2      3.7
  MONTH TO DATE    T                         0.2   -0.2      3.7
  SINCE MAR 1      T                         0.2   -0.2      3.7
  SINCE JUL 1     43.6                      30.0   13.6     72.0
  SNOW DEPTH       9

DEGREE DAYS
 HEATING
  YESTERDAY       47                        33     14       44
  MONTH TO DATE   47                        33     14       44
  SINCE MAR 1     47                        33     14       44
  SINCE JUL 1   5227                      4767    460     5459

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


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     6.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           800 AM
 LOWEST     67          1100 PM
 AVERAGE    80

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   41        71      1974
 MINIMUM TEMPERATURE (F)   25        -4      1913


SUNRISE AND SUNSET
MARCH  2 2015.........SUNRISE   625 AM CST   SUNSET   543 PM CST
MARCH  3 2015.........SUNRISE   624 AM CST   SUNSET   544 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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