Climatological Report (Daily)
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CDUS43 KLOT 050637
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1237 AM CST THU MAR 5 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 4 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         31   1217 AM  73    1983  42    -11       27
  MINIMUM         10   1159 PM -12    1873  26    -16       12
  AVERAGE         21                        34    -13       20

PRECIPITATION (IN)
  YESTERDAY        0.00          1.75 1985   0.08  -0.08      T
  MONTH TO DATE    0.13                      0.31  -0.18     0.38
  SINCE MAR 1      0.13                      0.31  -0.18     0.38
  SINCE JAN 1      2.99                      3.83  -0.84     5.68

SNOWFALL (IN)
  YESTERDAY        0.0           8.5  1982   0.3   -0.3      0.1
  MONTH TO DATE    0.7                       1.0   -0.3      5.2
  SINCE MAR 1      0.7                       1.0   -0.3      5.2
  SINCE JUL 1     44.3                      30.8   13.5     73.5
  SNOW DEPTH       8

DEGREE DAYS
 HEATING
  YESTERDAY       44                        31     13       45
  MONTH TO DATE  169                       128     41      202
  SINCE MAR 1    169                       128     41      202
  SINCE JUL 1   5349                      4862    487     5617

 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    NW (330)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    13.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           300 AM
 LOWEST     39           300 PM
 AVERAGE    60

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   42        75      1983
 MINIMUM TEMPERATURE (F)   26         0      1978
                                             1873


SUNRISE AND SUNSET
MARCH  5 2015.........SUNRISE   621 AM CST   SUNSET   546 PM CST
MARCH  6 2015.........SUNRISE   619 AM CST   SUNSET   547 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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