Climatological Report (Daily)
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CDUS43 KLOT 080634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SUN APR 8 2018


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 7 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         39    457 PM  84    1893  56    -17       54
  MINIMUM         20    548 AM   7    1982  36    -16       37
  AVERAGE         30                        46    -16       46

PRECIPITATION (IN)
  YESTERDAY        0.00          0.81 1998   0.11  -0.11     0.00
  MONTH TO DATE    0.28                      0.73  -0.45     1.54
  SINCE MAR 1      2.02                      3.23  -1.21     5.55
  SINCE JAN 1      8.20                      6.75   1.45     9.94

SNOWFALL (IN)
  YESTERDAY        0.0           3.0  2003   0.1   -0.1      0.0
  MONTH TO DATE    0.2                       0.6   -0.4      0.0
  SINCE MAR 1      2.8                       6.2   -3.4      7.8
  SINCE JUL 1     33.1                      35.7   -2.6     26.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       35                        19     16       19
  MONTH TO DATE  229                       143     86      121
  SINCE MAR 1   1096                       984    112      906
  SINCE JUL 1   5554                      5718   -164     4831

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         1     -1        0
  SINCE JAN 1      0                         1     -1        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     9.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    68          1100 PM
 LOWEST     29           400 PM
 AVERAGE    49

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        80      1931
 MINIMUM TEMPERATURE (F)   36        20      1972
                                             1914


SUNRISE AND SUNSET
APRIL  8 2018.........SUNRISE   623 AM CDT   SUNSET   725 PM CDT
APRIL  9 2018.........SUNRISE   621 AM CDT   SUNSET   726 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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