Climatological Report (Daily)
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CDUS43 KLOT 300649
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
145 AM CDT SUN APR 30 2017


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR APRIL 29 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1928 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         47    856 AM  89    1942  65    -18       51
  MINIMUM         41    532 PM  31    1958  46     -5       44
  AVERAGE         44                        56    -12       48

PRECIPITATION (IN)
  YESTERDAY        1.83R         1.62 1963   0.13   1.70      T
  MONTH TO DATE    5.17                      3.52   1.65     1.79
  SINCE MAR 1      9.34                      6.24   3.10     4.67
  SINCE JAN 1     14.45                     10.24   4.21     5.45

DEGREE DAYS
 HEATING
  YESTERDAY       21                        10     11       17
  MONTH TO DATE  309                       439   -130      436
  SINCE MAR 1   1083                      1251   -168     1040
  SINCE JUL 1   4729                      5762  -1033     4678

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   19                        11      8       12
  SINCE MAR 1     19                        12      7       13
  SINCE JAN 1     19                        12      7       13
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  21   RESULTANT WIND DIRECTION  NE (30)
  HIGHEST WIND SPEED    35   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    51   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED    21.5



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


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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        92      1942
 MINIMUM TEMPERATURE (F)   47        31      1931


SUNRISE AND SUNSET
APRIL 30 2017.........SUNRISE   548 AM CDT   SUNSET   749 PM CDT
MAY  1 2017...........SUNRISE   547 AM CDT   SUNSET   750 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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