Climatological Report (Daily)
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CDUS43 KLOT 200634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT FRI MAR 20 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 19 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         46    237 PM  78    2012  48     -2       46
                                      1921
  MINIMUM         37    625 AM   0    1923  30      7       34
  AVERAGE         42                        39      3       40

PRECIPITATION (IN)
  YESTERDAY        0.00          2.50 1948   0.08  -0.08     0.19
  MONTH TO DATE    0.13                      1.46  -1.33     1.36
  SINCE MAR 1      0.13                      1.46  -1.33     1.36
  SINCE JAN 1      2.99                      4.98  -1.99     6.66

SNOWFALL (IN)
  YESTERDAY        0.0           4.1  1986   0.2   -0.2      0.0
  MONTH TO DATE    0.7                       4.1   -3.4     11.0
  SINCE MAR 1      0.7                       4.1   -3.4     11.0
  SINCE JUL 1     44.3                      33.9   10.4     79.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       23                        26     -3       25
  MONTH TO DATE  566                       556     10      690
  SINCE MAR 1    566                       556     10      690
  SINCE JUL 1   5746                      5290    456     6105

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


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     7.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    60          1100 PM
 LOWEST     25          1200 PM
 AVERAGE    43

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   48        85      2012
 MINIMUM TEMPERATURE (F)   31         4      1885


SUNRISE AND SUNSET
MARCH 20 2015.........SUNRISE   655 AM CDT   SUNSET   704 PM CDT
MARCH 21 2015.........SUNRISE   654 AM CDT   SUNSET   705 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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