Climatological Report (Daily)
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CDUS43 KLOT 240644
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
143 AM CDT FRI MAR 24 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 23 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         50    634 PM  80    1907  50      0       42
  MINIMUM         29    154 AM   9    1940  31     -2       36
  AVERAGE         40                        40      0       39

PRECIPITATION (IN)
  YESTERDAY        0.02          1.25 2012   0.08  -0.06     0.11
  MONTH TO DATE    1.03                      1.80  -0.77     1.41
  SINCE MAR 1      1.03                      1.80  -0.77     1.41
  SINCE JAN 1      5.42                      5.32   0.10     3.48

SNOWFALL (IN)
  YESTERDAY        0.0           7.0  1897   0.2   -0.2      0.0
  MONTH TO DATE    7.8                       4.7    3.1      2.6
  SINCE MAR 1      7.8                       4.7    3.1      2.6
  SINCE JUL 1     26.1                      34.2   -8.1     30.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       25                        25      0       26
  MONTH TO DATE  640                       657    -17      508
  SINCE MAR 1    640                       657    -17      508
  SINCE JUL 1   4565                      5391   -826     4516

 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    26   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED    12.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75           200 AM
 LOWEST     34          1200 PM
 AVERAGE    55

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   50        79      1939
                                             1910
 MINIMUM TEMPERATURE (F)   32         5      1974


SUNRISE AND SUNSET
MARCH 24 2017.........SUNRISE   648 AM CDT   SUNSET   709 PM CDT
MARCH 25 2017.........SUNRISE   646 AM CDT   SUNSET   710 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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