Climatological Report (Daily)
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016
CDUS43 KLOT 152133
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CDT TUE MAY 15 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 15 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         71   1257 PM  91    1962  70      1       82
  MINIMUM         58    259 PM  35    2016  48     10       50
                                      1895
  AVERAGE         65                        59      6       66

PRECIPITATION (IN)
  TODAY            0.00          2.31 1915   0.12  -0.12     0.02
  MONTH TO DATE    4.96                      1.75   3.21     1.25
  SINCE MAR 1      9.42                      7.63   1.79    11.69
  SINCE JAN 1     15.60                     11.15   4.45    16.08

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            0                         7     -7        0
  MONTH TO DATE   59                       137    -78      172
  SINCE MAR 1   1631                      1470    161     1296
  SINCE JUL 1   6089                      6204   -115     5221

 COOLING
  TODAY            0                         1     -1        1
  MONTH TO DATE   37                        13     24        1
  SINCE MAR 1     37                        23     14       13
  SINCE JAN 1     37                        23     14       13
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED    10.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     66          1200 PM
 AVERAGE    80

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        94      1962
 MINIMUM TEMPERATURE (F)   48        33      1997


SUNRISE AND SUNSET
MAY 15 2018...........SUNRISE   531 AM CDT   SUNSET   805 PM CDT
MAY 16 2018...........SUNRISE   530 AM CDT   SUNSET   806 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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