Chicago Weather O'Hare Data Thursday, August 13 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.

13	23:51	SW 12	10.00	Mostly Cloudy	BKN070 BKN250	75	65			71%	NA	NA	30.06	1017.5
13	22:51	SW 8 G 16	10.00	Mostly Cloudy	BKN065 BKN080	76	65			69%	NA	78	30.06	1017.5
13	21:51	SW 7	10.00	Mostly Cloudy	FEW160 BKN250	76	64			67%	NA	78	30.04	1016.7
13	20:51	SW 9	10.00	Mostly Cloudy	FEW120 SCT160 BKN250	77	63			62%	NA	79	30.03	1016.6
13	19:51	SW 7	10.00	Mostly Cloudy	FEW120 SCT160 BKN250	78	62			58%	NA	80	30.04	1016.7
13	18:51	W 13	10.00	Mostly Cloudy	FEW120 SCT150 BKN250	79	62	85	79	56%	NA	80	30.04	1016.8
13	17:51	SW 13 G 20	10.00	Overcast	SCT160 OVC250	81	61			51%	NA	82	30.05	1017.0
13	16:51	SW 14 G 22	10.00	Mostly Cloudy	SCT150 BKN300	82	59			46%	NA	82	30.05	1017.0
13	15:51	SW 16 G 21	10.00	Mostly Cloudy	SCT150 BKN300	84	61			46%	NA	84	30.06	1017.4
13	14:51	W 17 G 26	10.00	Mostly Cloudy	BKN150 BKN300	83	60			46%	NA	83	30.07	1017.9
13	13:51	W 14 G 22	10.00	Mostly Cloudy	BKN150 BKN300	83	61			48%	NA	84	30.08	1018.3
13	12:51	W 20 G 24	10.00	Mostly Cloudy	SCT160 BKN300	84	61	84	67	46%	NA	84	30.08	1018.3
13	11:51	SW 14 G 20	10.00	Partly Cloudy	FEW160 SCT300	81	60			49%	NA	82	30.09	1018.5
13	10:51	SW 13	10.00	Partly Cloudy	FEW160 SCT300	81	60			49%	NA	82	30.10	1019.0
13	09:51	SW 13	10.00	Mostly Cloudy	FEW180 BKN300	78	61			56%	NA	80	30.11	1019.3
13	08:51	W 10	10.00	Partly Cloudy	FEW180 SCT300	74	60			62%	NA	NA	30.12	1019.8
13	07:51	W 8	10.00	A Few Clouds	FEW200 FEW300	70	60			71%	NA	NA	30.11	1019.4
13	06:51	W 6	10.00	A Few Clouds	FEW200 FEW300	67	60	68	65	79%	NA	NA	30.12	1019.7
13	05:51	SW 5	10.00	A Few Clouds	FEW250	66	60			81%	NA	NA	30.12	1019.4
13	04:51	Calm	10.00	Partly Cloudy	SCT250	66	60			81%	NA	NA	30.10	1018.7
13	03:51	SW 5	10.00	Partly Cloudy	SCT250	67	61			81%	NA	NA	30.09	1018.6
13	02:51	SW 3	10.00	Partly Cloudy	SCT250	67	61			81%	NA	NA	30.09	1018.4
13	01:51	SW 5	10.00	Fair	CLR	68	61			78%	NA	NA	30.09	1018.4
13	00:51	SW 5	10.00	Fair	CLR	67	61	77	66	81%	NA	NA	30.10	1018.8

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

SUMMARY: Developing

Weather Underground Historical 24-Hour Weather Radar for Thursday, August 13, 2015 …

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

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000
CDUS43 KLOT 140718
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
217 AM CDT FRI AUG 14 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 13 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         85    305 PM  98    1944  82      3       82
  MINIMUM         65    524 AM  51    2004  64      1       57
                                      1982
  AVERAGE         75                        73      2       70

PRECIPITATION (IN)
  YESTERDAY        0.00          2.86 1987   0.17  -0.17     0.00
  MONTH TO DATE    0.55                      2.12  -1.57     3.83
  SINCE JUN 1     10.52                      9.27   1.25    13.78
  SINCE JAN 1     22.01                     22.35  -0.34    28.61

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       10                         8      2        5
  MONTH TO DATE  121                       111     10      101
  SINCE JUN 1    485                       559    -74      478
  SINCE JAN 1    538                       613    -75      539
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     9.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81          1200 AM
 LOWEST     44          1200 PM
 AVERAGE    63

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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        99      1944
 MINIMUM TEMPERATURE (F)   63        48      1964


SUNRISE AND SUNSET
AUGUST 14 2015........SUNRISE   558 AM CDT   SUNSET   754 PM CDT
AUGUST 15 2015........SUNRISE   559 AM CDT   SUNSET   752 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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