Climatological Report (Daily)
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CDUS43 KLOT 102133
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CDT THU MAY 10 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 10 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         73    119 PM  90    2011  68      5       67
  MINIMUM         58    534 AM  28    1983  47     11       44
  AVERAGE         66                        57      9       56

PRECIPITATION (IN)
  TODAY            0.00          2.84 1951   0.12  -0.12     0.87
  MONTH TO DATE    2.14                      1.16   0.98     1.23
  SINCE MAR 1      6.60                      7.04  -0.44    11.67
  SINCE JAN 1     12.78                     10.56   2.22    16.06

SNOWFALL (IN)
  TODAY            0.0           T    1945   0.0    0.0      0.0
                                      1907
                                      1902
  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

DEGREE DAYS
 HEATING
  TODAY            0                         9     -9        9
  MONTH TO DATE   13                        98    -85      154
  SINCE MAR 1   1585                      1431    154     1278
  SINCE JUL 1   6043                      6165   -122     5203

 COOLING
  TODAY            1                         1      0        0
  MONTH TO DATE   35                         8     27        0
  SINCE MAR 1     35                        18     17       12
  SINCE JAN 1     35                        18     17       12
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     8.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           500 AM
 LOWEST     46           100 PM
 AVERAGE    66

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        89      1982
 MINIMUM TEMPERATURE (F)   47        33      1981


SUNRISE AND SUNSET
MAY 10 2018...........SUNRISE   536 AM CDT   SUNSET   800 PM CDT
MAY 11 2018...........SUNRISE   535 AM CDT   SUNSET   801 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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