Chicago Weather O'Hare Data Monday, March 16 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.

16	23:51	N 20 G 33	10.00	Overcast	OVC011	44	39			83%	36	NA	29.96	1014.5
16	22:51	N 21 G 28	10.00	A Few Clouds and Breezy	FEW250	47	37			69%	39	NA	29.91	1012.8
16	21:51	NE 9 G 31	10.00	Partly Cloudy	SCT250	52	38			59%	NA	NA	29.85	1010.9
16	20:51	N 17	10.00	Mostly Cloudy	SCT250 BKN300	64	47			54%	NA	NA	29.82	1009.6
16	19:51	W 12	10.00	Mostly Cloudy	SCT250 BKN300	68	47			47%	NA	NA	29.77	1007.9
16	18:51	W 13 G 24	10.00	Mostly Cloudy	BKN250 BKN300	70	45	73	63	41%	NA	NA	29.75	1007.3
16	17:51	SW 16 G 24	10.00	Mostly Cloudy	BKN250 BKN300	72	46			40%	NA	NA	29.72	1006.3
16	16:51	SW 16 G 28	10.00	Mostly Cloudy	FEW220 BKN250 BKN300	73	44			35%	NA	NA	29.73	1006.6
16	15:51	SW 16 G 25	10.00	Overcast	BKN220 OVC250	70	42			37%	NA	NA	29.76	1007.5
16	14:51	SW 12 G 22	10.00	Overcast	FEW160 BKN210 OVC250	68	43			40%	NA	NA	29.82	1009.6
16	13:51	SW 13	10.00	Overcast	OVC160	65	38			37%	NA	NA	29.84	1010.3
16	12:51	SW 13 G 17	10.00	Overcast	FEW120 OVC170	63	37	63	48	38%	NA	NA	29.87	1011.5
16	11:51	SW 7	10.00	Overcast	FEW120 BKN150 OVC230	60	36			41%	NA	NA	29.91	1012.7
16	10:51	SW 9	10.00	Mostly Cloudy	BKN180 BKN220	58	36			44%	NA	NA	29.93	1013.7
16	09:51	SW 8	10.00	Overcast	BKN180 OVC220	58	35			42%	NA	NA	29.96	1014.3
16	08:51	W 7	10.00	Mostly Cloudy	FEW050 BKN190 BKN230	53	35			51%	NA	NA	29.96	1014.7
16	07:51	W 8	10.00	Mostly Cloudy	FEW050 SCT180 BKN230	49	35			59%	46	NA	29.97	1014.8
16	06:51	SW 3	10.00	Partly Cloudy	SCT190 SCT250	49	33	54	48	55%	NA	NA	29.96	1014.4
16	05:51	W 8	10.00	Mostly Cloudy	BKN250	49	34			56%	46	NA	29.96	1014.5
16	04:51	W 13	10.00	Mostly Cloudy	BKN250	52	34			50%	NA	NA	29.94	1014.0
16	03:51	W 14	10.00	Mostly Cloudy	BKN230	51	35			54%	NA	NA	29.93	1013.7
16	02:51	W 14	10.00	Overcast	OVC250	53	35			51%	NA	NA	29.94	1014.0
16	01:51	W 16	10.00	Overcast	OVC250	54	34			47%	NA	NA	29.96	1014.4
16	00:51	W 20 G 29	10.00	Overcast	FEW150 OVC250	54	35	59	54	49%	NA	NA	29.95	1014.1

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

SUMMARY: After a mild day temperatures, started to drop about 9:00 p.m. The temperature at 23:51 PM was 11 degrees colder than the previous day.


Weather Underground Historical 24-Hour Weather Radar for Monday, March 16, 2015 …

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

#inwx #ilwx pic.twitter.com/eWfSzgz4a4
— NWS Chicago (@NWSChicago) March 16, 2015

Afternoon temperatures across the region. pic.twitter.com/rZ4hlsxtu5
— NWS Chicago (@NWSChicago) March 16, 2015

Approximate timing of strong cold front this evening. Windy & cold behind front! Bring a jacket if you will be out. pic.twitter.com/nlsiywHHCv
— NWS Chicago (@NWSChicago) March 17, 2015

RT @barrybutler9: Glorious end to a Chicago Monday @ChooseChicago @NWSChicago @CherylScottWX #sunset pic.twitter.com/860D2PJI9s
— Cheryl Scott (@CherylScottWX) March 17, 2015

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

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000
CDUS43 KLOT 170634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT TUE MAR 17 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 16 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         73    413 PM  82    2012  47     26       27
  MINIMUM         42   1159 PM  -1    1900  29     13       19
  AVERAGE         58                        38     20       23

PRECIPITATION (IN)
  YESTERDAY        0.00          1.64 1876   0.08  -0.08      T
  MONTH TO DATE    0.13                      1.22  -1.09     1.17
  SINCE MAR 1      0.13                      1.22  -1.09     1.17
  SINCE JAN 1      2.99                      4.74  -1.75     6.47

SNOWFALL (IN)
  YESTERDAY        0.0           6.0  1960   0.2   -0.2       T
  MONTH TO DATE    0.7                       3.6   -2.9     11.0
  SINCE MAR 1      0.7                       3.6   -2.9     11.0
  SINCE JUL 1     44.3                      33.4   10.9     79.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        7                        27    -20       42
  MONTH TO DATE  489                       477     12      605
  SINCE MAR 1    489                       477     12      605
  SINCE JUL 1   5669                      5211    458     6020

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED    12.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83          1100 PM
 LOWEST     35           400 PM
 AVERAGE    59

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   47        82      2012
 MINIMUM TEMPERATURE (F)   30        -1      1900


SUNRISE AND SUNSET
MARCH 17 2015.........SUNRISE   700 AM CDT   SUNSET   700 PM CDT
MARCH 18 2015.........SUNRISE   659 AM CDT   SUNSET   701 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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