Chicago Weather O'Hare Data Tuesday, July 28 2015

D a t e	Time (cst)	Wind (mph)	Vis. (mi.)	Weather	Sky Cond.	Temperature (ºF)				Relative Humidity	Wind Chill (°F)	Heat Index (°F)	Pressure		Precipitation (in.)
						Air	Dwpt	6 hour					altimeter (in)	sea level (mb)	1 hr	3 hr	6 hr
								Max.

29	00:51	Calm	10.00	Overcast	BKN041 BKN060 OVC250	79	73	87	77	82%	NA	82	29.92	1012.6
28	23:51	S 6	10.00	Mostly Cloudy	FEW110 BKN250	77	73			88%	NA	78	29.94	1013.5
28	22:51	S 5	10.00	Mostly Cloudy	BKN250	79	74			85%	NA	83	29.93	1012.9
28	21:51	SW 5	10.00	Mostly Cloudy	FEW050 FEW140 BKN250	81	73			77%	NA	86	29.94	1013.1
28	20:51	SW 6	10.00	Mostly Cloudy	FEW050 FEW090 SCT140 BKN250	83	72			70%	NA	88	29.94	1013.1
28	19:51	SW 5	10.00	Mostly Cloudy	FEW050 SCT140 BKN250	85	69			59%	NA	89	29.91	1012.3
28	18:51	SW 7	10.00	Overcast	FEW050 SCT140 OVC250	87	70	91	87	57%	NA	92	29.90	1012.1
28	17:51	S 8	10.00	Mostly Cloudy	FEW049 SCT200 BKN250	88	69			54%	NA	93	29.89	1011.6
28	16:51	SE 14	10.00	Mostly Cloudy	FEW055 SCT200 BKN250	89	70			53%	NA	94	29.87	1010.9
28	15:51	SE 7	10.00	Mostly Cloudy	FEW050 SCT210 BKN250	90	68			48%	NA	94	29.87	1010.9
28	14:51	Vrbl 6	10.00	Mostly Cloudy	SCT045 BKN250	90	69			50%	NA	95	29.94	1013.3
28	13:51	SW 8	10.00	Mostly Cloudy	BKN045 BKN250	89	70			53%	NA	94	29.96	1014.0
28	12:51	SW 5	10.00	Mostly Cloudy	BKN042 BKN250	87	69	88	73	55%	NA	91	29.98	1014.6
28	11:51	S 5	10.00	Mostly Cloudy	FEW042 BKN250	85	68			57%	NA	88	29.98	1014.7
28	10:51	S 6	10.00	Mostly Cloudy	FEW039 BKN250	84	68			59%	NA	87	29.99	1015.2
28	09:51	SE 12	10.00	Partly Cloudy	SCT250	83	67			59%	NA	86	29.98	1014.6
28	08:51	SE 10	10.00	A Few Clouds	FEW250	81	64			57%	NA	83	29.98	1014.5
28	07:51	SE 7	10.00	A Few Clouds

Complete data after midnight (may be delayed 24-48 hours).

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS

SUMMARY: Developing

Twitter group from National Weather Service Chicago, Local Chicago Media, and The Weather Channel.

CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...

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000
CDUS43 KLOT 290634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT WED JUL 29 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 28 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         91    323 PM 100    1983  84      7       73
  MINIMUM         67    423 AM  51    1984  64      3       59
  AVERAGE         79                        74      5       66

PRECIPITATION (IN)
  YESTERDAY        0.00          2.91 1906   0.13  -0.13     0.00
  MONTH TO DATE    2.85                      3.28  -0.43     2.13
  SINCE JUN 1      9.97                      6.73   3.24     9.94
  SINCE JAN 1     21.46                     19.81   1.65    24.77

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 1      T                         0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   13                         0     13        5
  SINCE JUN 1     52                        48      4       17
  SINCE JUL 1     13                         0     13        5

 COOLING
  YESTERDAY       14                         9      5        1
  MONTH TO DATE  208                       251    -43      163
  SINCE JUN 1    326                       416    -90      361
  SINCE JAN 1    379                       470    -91      422
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     5.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           400 AM
 LOWEST     50           300 PM
 AVERAGE    70

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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        99      1913
 MINIMUM TEMPERATURE (F)   64        50      1984


SUNRISE AND SUNSET
JULY 29 2015..........SUNRISE   542 AM CDT   SUNSET   814 PM CDT
JULY 30 2015..........SUNRISE   543 AM CDT   SUNSET   813 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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