Climatological Report (Daily)
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CDUS43 KLOT 150638
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
138 AM CDT WED MAR 15 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 14 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         28    350 PM  81    2012  46    -18       55
  MINIMUM         19   1136 PM   7    1993  29    -10       43
                                      1891
  AVERAGE         24                        37    -13       49

PRECIPITATION (IN)
  YESTERDAY        0.19          1.62 1944   0.07   0.12     0.01
  MONTH TO DATE    0.85                      1.06  -0.21     1.12
  SINCE MAR 1      0.85                      1.06  -0.21     1.12
  SINCE JAN 1      5.24                      4.58   0.66     3.19

SNOWFALL (IN)
  YESTERDAY        3.4           8.4  1904   0.2    3.2      0.0
  MONTH TO DATE    7.8                       3.2    4.6      2.6
  SINCE MAR 1      7.8                       3.2    4.6      2.6
  SINCE JUL 1     26.1                      32.7   -6.6     30.1
  SNOW DEPTH       6

DEGREE DAYS
 HEATING
  YESTERDAY       41                        28     13       16
  MONTH TO DATE  396                       423    -27      323
  SINCE MAR 1    396                       423    -27      323
  SINCE JUL 1   4321                      5157   -836     4331

 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     N (340)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED    14.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           100 AM
 LOWEST     37           500 PM
 AVERAGE    65

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   46        81      2012
 MINIMUM TEMPERATURE (F)   29         6      1890
                                             1877


SUNRISE AND SUNSET
MARCH 15 2017.........SUNRISE   703 AM CDT   SUNSET   658 PM CDT
MARCH 16 2017.........SUNRISE   701 AM CDT   SUNSET   700 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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