Climatological Report (Daily)
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CDUS43 KLOT 300634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT THU MAR 30 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 29 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         49    437 PM  88    1986  52     -3       58
  MINIMUM         35    610 AM   9    1887  33      2       31
  AVERAGE         42                        42      0       45

PRECIPITATION (IN)
  YESTERDAY        0.11          1.33 1979   0.09   0.02     0.00
  MONTH TO DATE    2.15                      2.31  -0.16     2.82
  SINCE MAR 1      2.15                      2.31  -0.16     2.82
  SINCE JAN 1      6.54                      5.83   0.71     4.89

SNOWFALL (IN)
  YESTERDAY        0.0           7.7  1954   0.1   -0.1      0.0
  MONTH TO DATE    7.8                       5.4    2.4      2.6
  SINCE MAR 1      7.8                       5.4    2.4      2.6
  SINCE JUL 1     26.1                      34.9   -8.8     30.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       23                        23      0       20
  MONTH TO DATE  737                       798    -61      643
  SINCE MAR 1    737                       798    -61      643
  SINCE JUL 1   4662                      5532   -870     4651

 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    21   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED    11.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 AM
 LOWEST     60           300 PM
 AVERAGE    80

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   52        79      1998
                                             1986
 MINIMUM TEMPERATURE (F)   34        12      1969
                                             1964


SUNRISE AND SUNSET
MARCH 30 2017.........SUNRISE   637 AM CDT   SUNSET   715 PM CDT
MARCH 31 2017.........SUNRISE   636 AM CDT   SUNSET   716 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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