Climatological Report (Daily)
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CDUS43 KLOT 270636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1235 AM CST MON FEB 27 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 26 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    359 PM  64    2000  39     10       33
  MINIMUM         21    212 AM  -1    1963  24     -3       24
                                      1888
  AVERAGE         35                        31      4       29

PRECIPITATION (IN)
  YESTERDAY        T             1.95 2009   0.07  -0.07      T
  MONTH TO DATE    0.87                      1.63  -0.76     1.15
  SINCE DEC 1      5.51                      5.61  -0.10     6.86
  SINCE JAN 1      3.74                      3.36   0.38     1.99

SNOWFALL (IN)
  YESTERDAY        0.0           4.8  2013   0.3   -0.3       T
  MONTH TO DATE    T                         8.6   -8.6      5.5
  SINCE DEC 1     18.3                      27.6   -9.3     16.3
  SINCE JUL 1     18.3                      29.0  -10.7     27.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       30                        34     -4       36
  MONTH TO DATE  713                       977   -264      931
  SINCE DEC 1   3061                      3411   -350     2970
  SINCE JUL 1   3890                      4667   -777     3943

 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)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    13.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           400 AM
 LOWEST     31           300 PM
 AVERAGE    56

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   40        75      1976
 MINIMUM TEMPERATURE (F)   24        -6      1897
                                             1879


SUNRISE AND SUNSET
FEBRUARY 27 2017......SUNRISE   629 AM CST   SUNSET   540 PM CST
FEBRUARY 28 2017......SUNRISE   628 AM CST   SUNSET   541 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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