Climatological Report (Daily)
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000
CDUS43 KLOT 192135
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT SAT MAY 19 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 19 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         69    259 PM  94    1977  71     -2       50
                                      1975
  MINIMUM         54    534 AM  36    1993  49      5       43
                                      1894
  AVERAGE         62                        60      2       47

PRECIPITATION (IN)
  TODAY            0.02          1.53 1949   0.12  -0.10     0.23
  MONTH TO DATE    5.08                      2.24   2.84     1.85
  SINCE MAR 1      9.54                      8.12   1.42    12.29
  SINCE JAN 1     15.72                     11.64   4.08    16.68

SNOWFALL (IN)
  TODAY            0.0           0.0    MM   0.0    0.0      0.0
  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            3                         6     -3       18
  MONTH TO DATE   78                       164    -86      192
  SINCE MAR 1   1650                      1497    153     1316
  SINCE JUL 1   6108                      6231   -123     5241

 COOLING
  TODAY            0                         2     -2        0
  MONTH TO DATE   37                        18     19       18
  SINCE MAR 1     37                        28      9       30
  SINCE JAN 1     37                        28      9       30
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     5.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     73           200 PM
 AVERAGE    83

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        95      1977
 MINIMUM TEMPERATURE (F)   49        33      2002


SUNRISE AND SUNSET
MAY 19 2018...........SUNRISE   527 AM CDT   SUNSET   809 PM CDT
MAY 20 2018...........SUNRISE   527 AM CDT   SUNSET   810 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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