Climatological Report (Daily)
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CDUS43 KLOT 072133
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CDT SUN MAY 7 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 7 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         59   1145 AM  87    1964  67     -8       70
                                      1936
  MINIMUM         36    443 AM  29    1989  46    -10       44
  AVERAGE         48                        56     -8       57

PRECIPITATION (IN)
  TODAY            0.00          2.07 1998   0.12  -0.12     0.02
  MONTH TO DATE    0.21                      0.81  -0.60     0.93
  SINCE MAR 1     10.65                      6.69   3.96     7.07
  SINCE JAN 1     15.04                     10.21   4.83     9.14

SNOWFALL (IN)
  TODAY            0.0           T    1947   0.0    0.0      0.0
                                      1960
                                      1989
  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

DEGREE DAYS
 HEATING
  TODAY           17                         9      8        8
  MONTH TO DATE  113                        71     42       84
  SINCE MAR 1   1237                      1404   -167     1266
  SINCE JUL 1   5162                      6138   -976     5274

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE    0                         5     -5        0
  SINCE MAR 1     12                        15     -3        7
  SINCE JAN 1     12                        15     -3        7
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     9.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    59           300 AM
 LOWEST     24          1100 AM
 AVERAGE    42

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        91      1963
 MINIMUM TEMPERATURE (F)   46        29      1983


SUNRISE AND SUNSET
MAY  7 2017...........SUNRISE   540 AM CDT   SUNSET   757 PM CDT
MAY  8 2017...........SUNRISE   539 AM CDT   SUNSET   758 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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