Climatological Report (Daily)
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CDUS43 KLOT 250636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1236 AM CST SAT FEB 25 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 24 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         40    530 PM  64    1930  38      2       36
  MINIMUM         33   1159 PM -11    1873  23     10       32
  AVERAGE         37                        31      6       34

PRECIPITATION (IN)
  YESTERDAY        0.15          1.11 2001   0.08   0.07     0.15
  MONTH TO DATE    0.87                      1.48  -0.61     1.15
  SINCE DEC 1      5.51                      5.46   0.05     6.86
  SINCE JAN 1      3.74                      3.21   0.53     1.99

SNOWFALL (IN)
  YESTERDAY        0.0           6.5  1965   0.3   -0.3      1.7
  MONTH TO DATE    T                         8.0   -8.0      5.5
  SINCE DEC 1     18.3                      27.0   -8.7     16.3
  SINCE JUL 1     18.3                      28.4  -10.1     27.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       28                        34     -6       31
  MONTH TO DATE  646                       909   -263      864
  SINCE DEC 1   2994                      3343   -349     2903
  SINCE JUL 1   3823                      4599   -776     3876

 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    24   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED    12.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92          1200 AM
 LOWEST     82          1000 PM
 AVERAGE    87

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   39        72      2000
 MINIMUM TEMPERATURE (F)   23        -9      1900


SUNRISE AND SUNSET
FEBRUARY 25 2017......SUNRISE   632 AM CST   SUNSET   537 PM CST
FEBRUARY 26 2017......SUNRISE   631 AM CST   SUNSET   538 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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