Climatological Report (Daily)
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CDUS43 KLOT 230632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT WED MAY 23 2018


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 22 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         67   1129 AM  94    1925  72     -5       73
  MINIMUM         54   1159 PM  36    2006  50      4       48
  AVERAGE         61                        61      0       61

PRECIPITATION (IN)
  YESTERDAY        T             1.62 1983   0.12  -0.12     0.01
  MONTH TO DATE    7.31                      2.61   4.70     2.25
  SINCE MAR 1     11.77                      8.49   3.28    12.69
  SINCE JAN 1     17.95                     12.01   5.94    17.08

SNOWFALL (IN)
  YESTERDAY        0.0           T    2011   0.0    0.0      0.0
                                      1917
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      5.8                       6.8   -1.0      7.8
  SINCE JUL 1     36.1                      36.3   -0.2     26.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        4                         6     -2        4
  MONTH TO DATE  105                       182    -77      212
  SINCE MAR 1   1677                      1515    162     1336
  SINCE JUL 1   6135                      6249   -114     5261

 COOLING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE   37                        24     13       18
  SINCE MAR 1     37                        34      3       30
  SINCE JAN 1     37                        34      3       30
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     4.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     67           400 PM
 AVERAGE    84

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        92      1977
                                             1964
                                             1921
 MINIMUM TEMPERATURE (F)   50        37      1917


SUNRISE AND SUNSET
MAY 23 2018...........SUNRISE   524 AM CDT   SUNSET   813 PM CDT
MAY 24 2018...........SUNRISE   523 AM CDT   SUNSET   814 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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