Climatological Report (Daily)
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CDUS43 KLOT 250639
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
138 AM CDT SAT MAR 25 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 24 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         82R   126 PM  79    1939  50     32       39
                                      1910
  MINIMUM         42   1159 PM   5    1974  32     10       30
  AVERAGE         62                        41     21       35

PRECIPITATION (IN)
  YESTERDAY        T             1.26 1969   0.08  -0.08     1.09
  MONTH TO DATE    1.03                      1.88  -0.85     2.50
  SINCE MAR 1      1.03                      1.88  -0.85     2.50
  SINCE JAN 1      5.42                      5.40   0.02     4.57

SNOWFALL (IN)
  YESTERDAY        0.0           4.5  1947   0.1   -0.1       T
  MONTH TO DATE    7.8                       4.8    3.0      2.6
  SINCE MAR 1      7.8                       4.8    3.0      2.6
  SINCE JUL 1     26.1                      34.3   -8.2     30.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        3                        24    -21       30
  MONTH TO DATE  643                       681    -38      538
  SINCE MAR 1    643                       681    -38      538
  SINCE JUL 1   4568                      5415   -847     4546

 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    30   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    15.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           900 PM
 LOWEST     25           300 PM
 AVERAGE    51

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   50        79      2007
 MINIMUM TEMPERATURE (F)   32        12      1974
                                             1940


SUNRISE AND SUNSET
MARCH 25 2017.........SUNRISE   646 AM CDT   SUNSET   710 PM CDT
MARCH 26 2017.........SUNRISE   644 AM CDT   SUNSET   711 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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