Climatological Report (Daily)
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690
CDUS43 KLOT 240636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT WED MAY 24 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 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         62    108 PM  92    1977  72    -10       81
                                      1964
                                      1921
  MINIMUM         55   1159 PM  37    1917  50      5       48
  AVERAGE         59                        61     -2       65

PRECIPITATION (IN)
  YESTERDAY        0.33          1.23 1995   0.13   0.20     0.00
  MONTH TO DATE    2.58                      2.74  -0.16     3.66
  SINCE MAR 1     13.02                      8.62   4.40     9.80
  SINCE JAN 1     17.41                     12.14   5.27    11.87

SNOWFALL (IN)
  YESTERDAY        0.0           T    1889   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      7.8                       6.8    1.0      3.7
  SINCE JUL 1     26.1                      36.3  -10.2     31.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        6                         6      0        0
  MONTH TO DATE  218                       188     30      225
  SINCE MAR 1   1342                      1521   -179     1407
  SINCE JUL 1   5267                      6255   -988     5415

 COOLING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE   18                        26     -8        0
  SINCE MAR 1     30                        36     -6        7
  SINCE JAN 1     30                        36     -6        7
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     6.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 PM
 LOWEST     67          1200 PM
 AVERAGE    80

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        93      1950
                                             1921
 MINIMUM TEMPERATURE (F)   51        34      1992


SUNRISE AND SUNSET
MAY 24 2017...........SUNRISE   523 AM CDT   SUNSET   814 PM CDT
MAY 25 2017...........SUNRISE   523 AM CDT   SUNSET   815 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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