Climatological Report (Daily)
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000
CDUS43 KLOT 140639
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
138 AM CDT SAT APR 14 2018


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 13 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         47    951 AM  82    1941  58    -11       60
                                      1887
  MINIMUM         39   1159 PM  21    1950  38      1       44
  AVERAGE         43                        48     -5       52

PRECIPITATION (IN)
  YESTERDAY        0.07          1.33 1983   0.11  -0.04     0.19
  MONTH TO DATE    0.57                      1.41  -0.84     2.05
  SINCE MAR 1      2.31                      3.91  -1.60     6.06
  SINCE JAN 1      8.49                      7.43   1.06    10.45

SNOWFALL (IN)
  YESTERDAY        0.0           1.2  1907   0.1   -0.1      0.0
  MONTH TO DATE    2.2                       0.9    1.3      0.0
  SINCE MAR 1      4.8                       6.5   -1.7      7.8
  SINCE JUL 1     35.1                      36.0   -0.9     26.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       22                        17      5       13
  MONTH TO DATE  363                       252    111      184
  SINCE MAR 1   1230                      1093    137      969
  SINCE JUL 1   5688                      5827   -139     4894

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        2
  SINCE MAR 1      0                         1     -1        2
  SINCE JAN 1      0                         1     -1        2
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    33   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    41   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED    13.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           700 PM
 LOWEST     76          1200 AM
 AVERAGE    84

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        85      2003
 MINIMUM TEMPERATURE (F)   38        23      1943
                                             1907


SUNRISE AND SUNSET
APRIL 14 2018.........SUNRISE   613 AM CDT   SUNSET   732 PM CDT
APRIL 15 2018.........SUNRISE   611 AM CDT   SUNSET   733 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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