Climatological Report (Daily)
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CDUS43 KLOT 072238
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CST TUE MAR 7 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MARCH 7 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         65    122 AM  78    2000  43     22       63
  MINIMUM         44    850 AM  -2    1943  26     18       44
  AVERAGE         55                        35     20       54

PRECIPITATION (IN)
  TODAY            0.24          1.15 1872   0.08   0.16     0.03
  MONTH TO DATE    0.37                      0.55  -0.18     0.27
  SINCE MAR 1      0.37                      0.55  -0.18     0.27
  SINCE JAN 1      4.76                      4.07   0.69     2.34

SNOWFALL (IN)
  TODAY            0.0          10.9  1931   0.3   -0.3      0.0
  MONTH TO DATE    0.1                       1.7   -1.6      2.6
  SINCE MAR 1      0.1                       1.7   -1.6      2.6
  SINCE JUL 1     18.4                      31.2  -12.8     30.1

DEGREE DAYS
 HEATING
  TODAY           10                        30    -20       11
  MONTH TO DATE  159                       220    -61      218
  SINCE MAR 1    159                       220    -61      218
  SINCE JUL 1   4084                      4954   -870     4226

 COOLING
  TODAY            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    35   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    49   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED    23.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77           500 AM
 LOWEST     30           300 PM
 AVERAGE    54

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   43        78      2000
 MINIMUM TEMPERATURE (F)   27        -7      1943


SUNRISE AND SUNSET
MARCH  7 2017.........SUNRISE   616 AM CST   SUNSET   549 PM CST
MARCH  8 2017.........SUNRISE   615 AM CST   SUNSET   550 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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