Climatological Report (Daily)
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CDUS43 KLOT 210636
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST TUE FEB 21 2017


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR FEBRUARY 20 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         69R   216 PM  56    2016  38     31       56
  MINIMUM         40   1209 AM  -9    2015  21     19       36
  AVERAGE         55                        29     26       46

PRECIPITATION (IN)
  YESTERDAY        0.00          0.74        0.05  -0.05     0.00
  MONTH TO DATE    0.40                      0.93  -0.53     1.47
  SINCE DEC 1      3.59                      3.96  -0.37     7.26
  SINCE JAN 1      2.45                      2.24   0.21     2.16

DEGREE DAYS
 HEATING
  YESTERDAY       10                        36    -26       19
  MONTH TO DATE  606                       767   -161      772
  SINCE DEC 1   3012                      3228   -216     2874
  SINCE JUL 1   3923                      4482   -559     3951

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   S (160)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED    11.3



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


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


THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   38        48      2007
                                             2003
 MINIMUM TEMPERATURE (F)   21         5      2008


SUNRISE AND SUNSET
FEBRUARY 21 2017......SUNRISE   640 AM CST   SUNSET   534 PM CST
FEBRUARY 22 2017......SUNRISE   638 AM CST   SUNSET   535 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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