Climatological Report (Daily)
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000
CDUS43 KLOT 122153
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT SUN APR 12 2015

...................................
...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 12 2015...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         68    128 PM  86    1977  58     10       80
                                      1971
  MINIMUM         41    525 AM  21    1957  38      3       44
                                      1939
  AVERAGE         55                        48      7       62

PRECIPITATION (IN)
  TODAY            0.00          1.16 1952   0.11  -0.11     0.00
                                      1909
  MONTH TO DATE    1.86                      1.30   0.56     0.55
  SINCE MAR 1      2.96                      3.80  -0.84     2.26
  SINCE JAN 1      5.82                      7.32  -1.50     7.56

SNOWFALL (IN)
  TODAY            0.0           1.7  1973   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.8   -0.8      0.0
  SINCE MAR 1      7.1                       6.4    0.7     12.3
  SINCE JUL 1     50.7                      36.2   14.5     80.6

DEGREE DAYS
 HEATING
  TODAY           10                        18     -8        3
  MONTH TO DATE  185                       235    -50      217
  SINCE MAR 1   1095                      1076     19     1242
  SINCE JUL 1   6275                      5810    465     6657

 COOLING
  TODAY            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    23   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED    10.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70           600 AM
 LOWEST     29          1200 PM
 AVERAGE    50

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

THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        82      1941
                                             1887
 MINIMUM TEMPERATURE (F)   38        21      1950


SUNRISE AND SUNSET
APRIL 12 2015.........SUNRISE   616 AM CDT   SUNSET   729 PM CDT
APRIL 13 2015.........SUNRISE   615 AM CDT   SUNSET   730 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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