Climatological Report (Daily)
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CDUS43 KLOT 040649
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1249 AM CST WED MAR 4 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 3 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         34    610 PM  80    1974  41     -7       19
  MINIMUM         24    556 AM  -6    1873  25     -1       -2
  AVERAGE         29                        33     -4        9

PRECIPITATION (IN)
  YESTERDAY        0.13          1.21 1966   0.08   0.05      T
  MONTH TO DATE    0.13                      0.23  -0.10     0.38
  SINCE MAR 1      0.13                      0.23  -0.10     0.38
  SINCE JAN 1      2.99                      3.75  -0.76     5.68

SNOWFALL (IN)
  YESTERDAY        0.7           3.9  1960   0.2    0.5       T
  MONTH TO DATE    0.7                       0.7    0.0      5.1
  SINCE MAR 1      0.7                       0.7    0.0      5.1
  SINCE JUL 1     44.3                      30.5   13.8     73.4
  SNOW DEPTH       9

DEGREE DAYS
 HEATING
  YESTERDAY       36                        32      4       56
  MONTH TO DATE  125                        97     28      157
  SINCE MAR 1    125                        97     28      157
  SINCE JUL 1   5305                      4831    474     5572

 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    23   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    13.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92          1100 AM
 LOWEST     63          1200 AM
 AVERAGE    78

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   42        73      1983
 MINIMUM TEMPERATURE (F)   26       -12      1873


SUNRISE AND SUNSET
MARCH  4 2015.........SUNRISE   622 AM CST   SUNSET   545 PM CST
MARCH  5 2015.........SUNRISE   621 AM CST   SUNSET   546 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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