Climatological Report (Daily)
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196
CDUS43 KLOT 140641
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
141 AM CDT TUE MAR 14 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 13 2017...

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)
 YESTERDAY
  MAXIMUM         31    524 PM  73    2007  45    -14       48
  MINIMUM         27    942 PM   6    1896  28     -1       43
  AVERAGE         29                        37     -8       46

PRECIPITATION (IN)
  YESTERDAY        0.24          1.15 1917   0.07   0.17     0.66
  MONTH TO DATE    0.66                      0.99  -0.33     1.11
  SINCE MAR 1      0.66                      0.99  -0.33     1.11
  SINCE JAN 1      5.05                      4.51   0.54     3.18

SNOWFALL (IN)
  YESTERDAY        3.9 R         2.9  1980   0.2    3.7      0.0
  MONTH TO DATE    4.4                       3.0    1.4      2.6
  SINCE MAR 1      4.4                       3.0    1.4      2.6
  SINCE JUL 1     22.7                      32.5   -9.8     30.1
  SNOW DEPTH       2

DEGREE DAYS
 HEATING
  YESTERDAY       36                        28      8       19
  MONTH TO DATE  355                       395    -40      307
  SINCE MAR 1    355                       395    -40      307
  SINCE JUL 1   4280                      5129   -849     4315

 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    18   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED    10.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY SNOW
  SNOW
  LIGHT SNOW
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85          1200 AM
 LOWEST     69           200 PM
 AVERAGE    77

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   46        81      2012
 MINIMUM TEMPERATURE (F)   29         7      1993
                                             1891


SUNRISE AND SUNSET
MARCH 14 2017.........SUNRISE   705 AM CDT   SUNSET   657 PM CDT
MARCH 15 2017.........SUNRISE   703 AM CDT   SUNSET   658 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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