Climatological Report (Daily)
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CDUS43 KLOT 031513
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT WED MAY 3 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 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         51    224 PM  91    1959  66    -15       59
  MINIMUM         41    634 AM  27    1875  44     -3       42
  AVERAGE         46                        55     -9       51

PRECIPITATION (IN)
  YESTERDAY        0.01          1.28 2008   0.12  -0.11     0.00
  MONTH TO DATE    0.10                      0.23  -0.13     0.51
  SINCE MAR 1     10.54                      6.11   4.43     6.65
  SINCE JAN 1     14.93                      9.63   5.30     8.72

SNOWFALL (IN)
  YESTERDAY        0.0           0.6  1940   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      7.8                       6.8    1.0      3.7
  SINCE JUL 1     26.1                      36.3  -10.2     31.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       19                        11      8       14
  MONTH TO DATE   33                        22     11       33
  SINCE MAR 1   1157                      1355   -198     1215
  SINCE JUL 1   5082                      6089  -1007     5223

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1     12                        10      2        7
  SINCE JAN 1     12                        10      2        7
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    14.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           600 AM
 LOWEST     56           400 PM
 AVERAGE    71

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        92      1955
 MINIMUM TEMPERATURE (F)   45        30      2004


SUNRISE AND SUNSET
MAY  3 2017...........SUNRISE   545 AM CDT   SUNSET   753 PM CDT
MAY  4 2017...........SUNRISE   543 AM CDT   SUNSET   754 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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