Climatological Report (Daily)
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CDUS43 KLOT 160640
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT THU APR 16 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 15 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         64    319 PM  88    2002  59      5       38
  MINIMUM         43    527 AM  25    1943  39      4       26
  AVERAGE         54                        49      5       32

PRECIPITATION (IN)
  YESTERDAY        0.00          1.74 1884   0.12  -0.12      T
  MONTH TO DATE    2.08                      1.64   0.44     1.28
  SINCE MAR 1      3.18                      4.14  -0.96     2.99
  SINCE JAN 1      6.04                      7.66  -1.62     8.29

SNOWFALL (IN)
  YESTERDAY        0.0           1.5  1980   0.1   -0.1       T
  MONTH TO DATE    0.0                       1.0   -1.0      1.4
  SINCE MAR 1      7.1                       6.6    0.5     13.7
  SINCE JUL 1     50.7                      36.4   14.3     82.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       11                        17     -6       33
  MONTH TO DATE  216                       286    -70      277
  SINCE MAR 1   1126                      1127     -1     1302
  SINCE JUL 1   6306                      5861    445     6717

 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    NE (60)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED    10.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    53           500 AM
 LOWEST     26           800 AM
 AVERAGE    40

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   59        87      2002
 MINIMUM TEMPERATURE (F)   39        18      1875


SUNRISE AND SUNSET
APRIL 16 2015.........SUNRISE   610 AM CDT   SUNSET   734 PM CDT
APRIL 17 2015.........SUNRISE   608 AM CDT   SUNSET   735 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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