Climatological Report (Daily)
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000
CDUS43 KLOT 030645
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1245 AM CST FRI MAR 3 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 2 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         35   1218 PM  71    1974  41     -6       32
  MINIMUM         27   1159 PM  -4    1913  25      2       11
  AVERAGE         31                        33     -2       22

PRECIPITATION (IN)
  YESTERDAY        T             1.02 2002   0.07  -0.07      T
  MONTH TO DATE    0.12                      0.15  -0.03     0.10
  SINCE MAR 1      0.12                      0.15  -0.03     0.10
  SINCE JAN 1      4.51                      3.67   0.84     2.17

SNOWFALL (IN)
  YESTERDAY        T            11.5  1954   0.3   -0.3       T
  MONTH TO DATE    T                         0.5   -0.5      1.0
  SINCE MAR 1      T                         0.5   -0.5      1.0
  SINCE JUL 1     18.3                      30.0  -11.7     28.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       34                        32      2       43
  MONTH TO DATE   56                        65     -9       84
  SINCE MAR 1     56                        65     -9       84
  SINCE JUL 1   3981                      4799   -818     4092

 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    18   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    11.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    72           300 AM
 LOWEST     43          1100 AM
 AVERAGE    58

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   41        80      1974
 MINIMUM TEMPERATURE (F)   25        -6      1873


SUNRISE AND SUNSET
MARCH  3 2017.........SUNRISE   623 AM CST   SUNSET   544 PM CST
MARCH  4 2017.........SUNRISE   621 AM CST   SUNSET   546 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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