Climatological Report (Daily)
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000
CDUS43 KLOT 220642
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
141 AM CDT WED APR 22 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 21 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         54    244 PM  88    1985  61     -7       74
  MINIMUM         38   1159 PM  27    1986  41     -3       58
  AVERAGE         46                        51     -5       66

PRECIPITATION (IN)
  YESTERDAY        T             1.08 1973   0.11  -0.11      T
  MONTH TO DATE    2.55                      2.32   0.23     1.28
  SINCE MAR 1      3.65                      4.82  -1.17     2.99
  SINCE JAN 1      6.51                      8.34  -1.83     8.29

SNOWFALL (IN)
  YESTERDAY        0.0           0.6  1903   0.0    0.0      0.0
  MONTH TO DATE    0.0                       1.1   -1.1      1.4
  SINCE MAR 1      7.1                       6.7    0.4     13.7
  SINCE JUL 1     50.7                      36.5   14.2     82.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       19                        15      4        0
  MONTH TO DATE  281                       379    -98      355
  SINCE MAR 1   1191                      1220    -29     1380
  SINCE JUL 1   6371                      5954    417     6795

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


WIND (MPH)
  HIGHEST WIND SPEED    38   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    52   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    19.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    73          1200 AM
 LOWEST     32           200 PM
 AVERAGE    53

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   62        91      1980
 MINIMUM TEMPERATURE (F)   41        24      1986


SUNRISE AND SUNSET
APRIL 22 2015.........SUNRISE   601 AM CDT   SUNSET   740 PM CDT
APRIL 23 2015.........SUNRISE   559 AM CDT   SUNSET   741 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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