Chicago Weather O'Hare Data Monday, May 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 18 G 28	10.00	Overcast	OVC045	52	40			64%	NA	NA	29.89	1012.0
11	22:51	W 16 G 26	10.00	Overcast	OVC046	53	40			61%	NA	NA	29.89	1012.2
11	21:51	W 18 G 30	10.00	Mostly Cloudy	BKN049	54	41			62%	NA	NA	29.90	1012.4
11	20:51	W 17 G 32	10.00	Overcast	OVC050	54	42			64%	NA	NA	29.88	1011.7
11	19:51	W 20 G 30	10.00	Mostly Cloudy	SCT039 BKN048	59	47			64%	NA	NA	29.84	1010.2
11	18:51	W 20 G 29	10.00	Mostly Cloudy	SCT042 BKN047	63	48	68	63	58%	NA	NA	29.80	1009.2			0.16
11	17:51	SW 17 G 31	10.00	Partly Cloudy	SCT033 SCT042	66	49			54%	NA	NA	29.78	1008.2
11	16:51	W 16 G 28	10.00	Mostly Cloudy	SCT029 BKN035 BKN046	68	57			68%	NA	NA	29.77	1008.0
11	15:51	SW 8	10.00	Mostly Cloudy	FEW009 FEW015 BKN026	65	62			90%	NA	NA	29.76	1007.8	0.03	0.16
11	14:51	SW 10	7.00	Light Rain	BKN021 OVC029	65	61			87%	NA	NA	29.77	1007.9	0.13
11	13:51	SW 16	10.00	Overcast	BKN021 OVC046	68	60			76%	NA	NA	29.78	1008.4
11	12:51	S 18 G 26	10.00	Overcast	BKN019 OVC046	67	60	67	59	79%	NA	NA	29.79	1008.7			0.06
11	11:51	S 18 G 24	10.00	Overcast	BKN017 BKN025 OVC047	66	61			84%	NA	NA	29.80	1009.3	0.01
11	10:51	S 17 G 21	10.00	Light Rain	SCT015 SCT047 OVC095	65	62			90%	NA	NA	29.82	1009.8
11	09:51	S 10	10.00	Light Rain	OVC100	64	60			87%	NA	NA	29.83	1010.3	0.01	0.05
11	08:51	SW 13 G 20	10.00	Light Rain	FEW014 OVC100	64	60			87%	NA	NA	29.86	1011.2	0.02
11	07:51	SW 15 G 22	9.00	Light Rain	FEW011 OVC100	64	61			90%	NA	NA	29.87	1011.5	0.02
11	06:51	S 10	10.00	Overcast	FEW070 BKN110 OVC200	59	56	59	47	90%	NA	NA	29.86	1011.3
11	05:51	SE 3	6.00	Fog/Mist	SCT070 BKN150 BKN250	50	49			96%	NA	NA	29.85	1010.9
11	04:51	SE 6	7.00	A Few Clouds	FEW150	48	46			93%	45	NA	29.85	1011.1
11	03:51	E 3	8.00	Mostly Cloudy	BKN150	48	46			93%	NA	NA	29.86	1011.4
11	02:51	SE 5	5.00	Fog/Mist	FEW004 SCT100 BKN150	47	46			97%	45	NA	29.89	1012.3
11	01:51	SE 5	5.00	Fog/Mist	OVC005	47	46			97%	45	NA	29.91	1013.0
11	00:51	E 5	5.00	Fog/Mist	OVC004	47	45	51	46	93%	45	NA	29.94	1014.1

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

SUMMARY: Developing

Weather Underground Historical 24-Hour Weather Radar for Monday, May 11, 2015 …

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

Tue. clouds will be slow to erode. Breezy. Highs upper 50s to low 60s. High pressure Tue. night & Wed. pic.twitter.com/oRXL87jZEv

— NWS Chicago (@NWSChicago) May 12, 2015

Showers and storms developing this AM, ending from the west later today. #ILWX #INWX pic.twitter.com/6epnLEKiqH

— NWS Chicago (@NWSChicago) May 11, 2015

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

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000
CDUS43 KLOT 120633
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT TUE MAY 12 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 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         68    427 PM  89    1982  69     -1       81
  MINIMUM         47    319 AM  33    1981  47      0       52
  AVERAGE         58                        58      0       67

PRECIPITATION (IN)
  YESTERDAY        0.22          3.30 1966   0.11   0.11     0.12
  MONTH TO DATE    2.81                      1.27   1.54     1.39
  SINCE MAR 1      6.78                      7.15  -0.37     5.94
  SINCE JAN 1      9.64                     10.67  -1.03    11.24

SNOWFALL (IN)
  YESTERDAY        0.0           0.2  1966   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      7.1                       6.8    0.3     13.7
  SINCE JUL 1     50.7                      36.6   14.1     82.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        7                         8     -1        0
  MONTH TO DATE   61                       106    -45       91
  SINCE MAR 1   1431                      1439     -8     1604
  SINCE JUL 1   6611                      6173    438     7019

 COOLING
  YESTERDAY        0                         1     -1        2
  MONTH TO DATE   12                         9      3        7
  SINCE MAR 1     12                        19     -7        8
  SINCE JAN 1     12                        19     -7        8
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    13.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 AM
 LOWEST     52           500 PM
 AVERAGE    76

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        92      1956
 MINIMUM TEMPERATURE (F)   47        31      1981


SUNRISE AND SUNSET
MAY 12 2015...........SUNRISE   535 AM CDT   SUNSET   802 PM CDT
MAY 13 2015...........SUNRISE   534 AM CDT   SUNSET   803 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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