Chicago Weather O'Hare Data Tuesday, August 11 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.

11	23:51	W 3	10.00	Fair	CLR	67	54			63%	NA	NA	30.10	1018.9
11	22:51	Calm	10.00	Fair	CLR	70	53			55%	NA	NA	30.10	1018.9
11	21:51	Calm	10.00	A Few Clouds	FEW060	70	52			53%	NA	NA	30.10	1018.9
11	20:51	SW 3	10.00	A Few Clouds	FEW055	71	53			53%	NA	NA	30.09	1018.7
11	19:51	E 6	10.00	A Few Clouds	FEW055	71	52			51%	NA	NA	30.09	1018.5
11	18:51	NE 9	10.00	A Few Clouds	FEW040 FEW090	75	51	81	75	43%	NA	NA	30.08	1018.4
11	17:51	NE 10	10.00	A Few Clouds	FEW040 FEW090	76	55			48%	NA	78	30.08	1018.3
11	16:51	NE 12	10.00	A Few Clouds	FEW040 FEW090	77	56			48%	NA	79	30.07	1018.1
11	15:51	NE 15	10.00	Partly Cloudy	FEW040 SCT090	78	58			50%	NA	79	30.07	1017.9
11	14:51	NE 13	10.00	Mostly Cloudy	FEW040 BKN090	76	62			62%	NA	78	30.07	1017.8
11	13:51	NE 8	10.00	Partly Cloudy	FEW044 SCT080	80	60			51%	NA	81	30.06	1017.4
11	12:51	E 9	10.00	Mostly Cloudy	SCT045 BKN085	81	61	82	67	51%	NA	82	30.06	1017.4
11	11:51	N 8	10.00	Mostly Cloudy	FEW044 BKN065	80	59			49%	NA	81	30.06	1017.4
11	10:51	N 8	10.00	Mostly Cloudy	BKN034	77	62			60%	NA	79	30.06	1017.4
11	09:51	N 8	10.00	Partly Cloudy	FEW024 SCT250	76	62			62%	NA	78	30.05	1017.2
11	08:51	N 7	10.00	A Few Clouds	FEW016 FEW028	73	64			74%	NA	NA	30.04	1016.9
11	07:51	N 5	10.00	Partly Cloudy	SCT026 SCT080	69	64			84%	NA	NA	30.03	1016.4
11	06:51	N 6	10.00	Mostly Cloudy	SCT024 SCT090 BKN250	67	62	69	65	84%	NA	NA	30.02	1016.1
11	05:51	NW 6	10.00	A Few Clouds	FEW080 FEW250	65	62			90%	NA	NA	29.99	1015.3
11	04:51	N 5	10.00	A Few Clouds	FEW080	66	62			87%	NA	NA	29.97	1014.4
11	03:51	N 9	10.00	Fair	CLR	68	63			84%	NA	NA	29.95	1013.9
11	02:51	NW 7	10.00	A Few Clouds	FEW080	69	63			81%	NA	NA	29.94	1013.4
11	01:51	NW 3	10.00	A Few Clouds	FEW080	68	64			87%	NA	NA	29.93	1013.2
11	00:51	NW 3	10.00	A Few Clouds	FEW050	69	65	77	69	87%	NA	NA	29.92	1012.8

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

SUMMARY: Developing

Weather Underground Historical 24-Hour Weather Radar for Tuesday, August 11, 2015 …

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 120649
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
149 AM CDT WED AUG 12 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 11 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         82   1131 AM  98    1941  82      0       82
                                      1874
  MINIMUM         65   1159 PM  47    1982  64      1       67
  AVERAGE         74                        73      1       75

PRECIPITATION (IN)
  YESTERDAY        0.00          3.70 1923   0.17  -0.17     0.85
  MONTH TO DATE    0.55                      1.78  -1.23     3.76
  SINCE JUN 1     10.52                      8.93   1.59    13.71
  SINCE JAN 1     22.01                     22.01   0.00    28.54

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    0                         0      0        0
  SINCE JUN 1     52                        52      0       17
  SINCE JUL 1     13                         4      9        5

 COOLING
  YESTERDAY        9                         8      1       10
  MONTH TO DATE  105                        95     10       95
  SINCE JUN 1    469                       543    -74      472
  SINCE JAN 1    522                       597    -75      533
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED     6.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 AM
 LOWEST     43           600 PM
 AVERAGE    68

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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82       101      1918
 MINIMUM TEMPERATURE (F)   64        47      1982


SUNRISE AND SUNSET
AUGUST 12 2015........SUNRISE   556 AM CDT   SUNSET   756 PM CDT
AUGUST 13 2015........SUNRISE   557 AM CDT   SUNSET   755 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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