Chicago Weather O'Hare Data Wednesday, July 29 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	23:51	S 5	6.00	Fog/Mist	BKN250	64	63			96%	NA	NA	29.78	1008.1
29	22:51	SW 5	6.00	Fog/Mist	SCT250	66	64			93%	NA	NA	29.79	1008.4
29	21:51	SW 3	6.00	Fog/Mist	FEW130 SCT250	66	64			93%	NA	NA	29.80	1008.9
29	20:51	SW 3	6.00	Fog/Mist	FEW130 SCT210	68	65			90%	NA	NA	29.79	1008.4
29	19:51	SW 3	8.00	Mostly Cloudy	FEW011 SCT130 BKN210	69	64			84%	NA	NA	29.79	1008.5
29	18:51	Calm	8.00	Mostly Cloudy	SCT011 SCT110 BKN250	70	63	75	66	79%	NA	NA	29.79	1008.6			0.21
29	17:51	S 5	7.00	Mostly Cloudy	FEW035 FEW065 SCT110 BKN250	70	65			84%	NA	NA	29.78	1008.3	0.01
29	16:51	Calm	5.00	Light Rain Fog/Mist	OVC100	68	64			87%	NA	NA	29.80	1008.7	0.20
29	15:51	SW 9	5.00	Thunderstorm Light Rain Fog/Mist	BKN020CB OVC028	67	64			91%	NA	NA	29.80	1008.8
29	14:51	NE 8	10.00	Overcast	FEW032 BKN036 BKN120 OVC250	73	61			66%	NA	NA	29.79	1008.5
29	13:51	E 9	10.00	Mostly Cloudy	SCT030 BKN055 BKN250	75	62			64%	NA	NA	29.80	1008.7
29	12:51	NE 8	10.00	Overcast	SCT027 BKN043 OVC110	73	61	74	64	66%	NA	NA	29.80	1008.8			0.12
29	11:51	NE 9	10.00	Mostly Cloudy	SCT021 BKN120	72	62			71%	NA	NA	29.81	1009.0
29	10:51	NE 7	9.00	Mostly Cloudy	FEW014 SCT027 BKN120	71	64			79%	NA	NA	29.81	1009.0
29	09:51	NE 5	9.00	Mostly Cloudy	SCT025 BKN065 BKN090	68	62			81%	NA	NA	29.81	1009.2		0.12
29	08:51	Calm	5.00	Light Rain Fog/Mist	FEW020 FEW027 OVC038	66	63			90%	NA	NA	29.81	1009.3	0.06
29	07:51	Calm	3.00	Rain Fog/Mist	FEW011 BKN019 OVC029	65	63			93%	NA	NA	29.81	1009.3	0.06
29	06:51	NE 3	3.00	Light Rain Fog/Mist	BKN014 OVC021	64	63	66	64	96%	NA	NA	29.80	1008.9	0.02		0.24
29	05:51	NE 5	4.00	Light Rain Fog/Mist	SCT020 BKN033 OVC050	64	62			93%	NA	NA	29.79	1008.5	0.03
29	04:51	E 6	4.00	Light Rain Fog/Mist	BKN023 OVC050	64	62			93%	NA	NA	29.79	1008.4	0.19
29	03:51	Calm	10.00	Light Rain	BKN024 OVC065	65	61			87%	NA	NA	29.79	1008.5
29	02:51	Calm	10.00	Overcast	FEW075 OVC090	65	61			87%	NA	NA	29.79	1008.5
29	01:51	Calm	10.00	Overcast	FEW075 OVC100	65	60			84%	NA	NA	29.80	1008.8

29

00:51

Calm

10.00

Overcast

OVC080

66

60

81%

NA

NA

29.81

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

SUMMARY: Developing

Weather Underground Historical 24-Hour Weather Radar for Wednesday, July 29, 2015 …

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

Isolated storms diminishing this evening. Additional rain showers approaching from WI after 9 pm. #ILWX #INWX pic.twitter.com/HGZrFjyV2V

— NWS Chicago (@NWSChicago) June 30, 2015

A series of disturbances & a cool front Tue. will bring the chance of precip. through the overnight & Tuesday PM. pic.twitter.com/5XszMlvti0

— NWS Chicago (@NWSChicago) June 29, 2015

Scattered showers and an occasional t-storm moving thru the area. Stronger storms could produce heavy downpours. pic.twitter.com/oD5zZ8LdcV

— NWS Chicago (@NWSChicago) June 29, 2015

Areas of fog, patchy dense early this morning west of I-39. More scattered storms this afternoon. #ilwx #inwx pic.twitter.com/GzEgSr2tvO

— NWS Chicago (@NWSChicago) June 29, 2015

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

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000
CDUS43 KLOT 300637
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT TUE JUN 30 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 29 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         75    125 PM  97    1954  83     -8       85
  MINIMUM         64   1052 PM  48    1989  62      2       69
  AVERAGE         70                        73     -3       77

PRECIPITATION (IN)
  YESTERDAY        0.62          2.81 1933   0.11   0.51     0.07
  MONTH TO DATE    6.95                      3.35   3.60     5.21
  SINCE JUN 1      6.95                      3.35   3.60     5.21
  SINCE JAN 1     18.44                     16.43   2.01    20.04

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      0.0                       0.0    0.0      0.0
  SINCE JUL 1     50.7                      36.6   14.1     82.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   39                        48     -9       12
  SINCE JUN 1     39                        48     -9       12
  SINCE JUL 1   6776                      6340    436     7135

 COOLING
  YESTERDAY        5                         8     -3       12
  MONTH TO DATE  116                       156    -40      186
  SINCE JUN 1    116                       156    -40      186
  SINCE JAN 1    169                       210    -41      247
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     4.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           400 AM
 LOWEST     64          1200 PM
 AVERAGE    79

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        99      1953
                                             1913
 MINIMUM TEMPERATURE (F)   62        45      1943


SUNRISE AND SUNSET
JUNE 30 2015..........SUNRISE   519 AM CDT   SUNSET   831 PM CDT
JULY  1 2015..........SUNRISE   520 AM CDT   SUNSET   831 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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