Chicago Weather O'Hare Data Friday, March 27 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.

27	23:51	N 6	10.00	A Few Clouds	FEW030	23	14			68%	16	NA	30.21	1024.0
27	22:51	N 5	10.00	A Few Clouds	FEW030	23	14			68%	17	NA	30.21	1024.0
27	21:51	Vrbl 6	10.00	Fair	CLR	24	12			60%	17	NA	30.20	1023.7
27	20:51	NE 8	10.00	Fair	CLR	24	13			62%	15	NA	30.20	1023.5
27	19:51	N 12	10.00	A Few Clouds	FEW035	25	14			63%	14	NA	30.18	1023.1
27	18:51	NE 12	10.00	A Few Clouds	FEW035	26	13	31	26	57%	15	NA	30.18	1022.9
27	17:51	NE 15	10.00	A Few Clouds	FEW045	28	13			53%	16	NA	30.16	1022.4
27	16:51	NE 14	10.00	A Few Clouds	FEW045	29	13			51%	18	NA	30.15	1021.8
27	15:51	NE 14 G 22	10.00	A Few Clouds	FEW045	29	12			49%	18	NA	30.15	1021.7
27	14:51	NE 15	10.00	Partly Cloudy	SCT045	30	12			47%	19	NA	30.15	1021.7
27	13:51	NE 9 G 18	10.00	Mostly Cloudy	BKN047	30	11			45%	22	NA	30.16	1021.9
27	12:51	NE 13	10.00	Partly Cloudy	SCT050	29	10	30	22	45%	19	NA	30.16	1022.1
27	11:51	N 15	10.00	Partly Cloudy	SCT047	27	9			46%	15	NA	30.16	1022.2
27	10:51	N 14 G 25	10.00	Partly Cloudy	SCT041	26	10			51%	14	NA	30.17	1022.2
27	09:51	N 17 G 22	10.00	A Few Clouds	FEW028	24	10			55%	11	NA	30.15	1021.9
27	08:51	N 16	10.00	A Few Clouds	FEW028 FEW045	22	8			55%	8	NA	30.15	1021.8
27	07:51	N 15	10.00	Mostly Cloudy	FEW028 BKN044	22	8			55%	9	NA	30.15	1021.7
27	06:51	N 14	4.00	Light Snow	BKN027 OVC031	23	15	31	23	72%	11	NA	30.12	1020.8			0.04
27	05:51	NE 16 G 23	2.00	Light Snow Fog/Mist	FEW009 BKN017 OVC025	24	20			84%	11	NA	30.10	1019.9	0.02
27	04:51	N 15	5.00	Light Snow	BKN016 BKN025 OVC038	27	22			81%	15	NA	30.08	1019.3
27	03:51	NE 9	2.00	Light Snow Fog/Mist	SCT013 BKN023 OVC033	27	23			85%	18	NA	30.07	1018.9	0.01	0.02
27	02:51	N 10	9.00	Light Snow	FEW014 SCT044 OVC055	29	24			82%	20	NA	30.06	1018.6	0.01
27	01:51	N 9	10.00	Mostly Cloudy	FEW030 BKN055	31	18			59%	23	NA	30.06	1018.7
27	00:51	N 9	10.00	Mostly Cloudy	BKN050	31	16	37	31	54%	23	NA	30.07	1018.9

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

SUMMARY: Developing

Weather Underground Historical 24-Hour Weather Radar for Friday, March 27, 2015 …

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

Back to winter chill today thru Sat, so dress accordingly! 40s on Sun, but windy & light rain. Mild next week. pic.twitter.com/yKB3cOG41s
— NWS Chicago (@NWSChicago) March 27, 2015

Lake effect snow showers early this morning. Visibility was briefly down to 1/2 mile here in Romeoville at 5:15 am pic.twitter.com/mYwtycAFl3
— NWS Chicago (@NWSChicago) March 27, 2015

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

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000
CDUS43 KLOT 280645
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
144 AM CDT SAT MAR 28 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 27 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         31    145 PM  82    1945  51    -20       55
  MINIMUM         21   1159 PM  12    1996  33    -12       34
  AVERAGE         26                        42    -16       45

PRECIPITATION (IN)
  YESTERDAY        0.04          1.28 1908   0.09  -0.05     0.20
  MONTH TO DATE    1.09                      2.13  -1.04     1.65
  SINCE MAR 1      1.09                      2.13  -1.04     1.65
  SINCE JAN 1      3.95                      5.65  -1.70     6.95

SNOWFALL (IN)
  YESTERDAY        0.6           2.9  1942   0.2    0.4       T
  MONTH TO DATE    7.1                       5.2    1.9     12.3
  SINCE MAR 1      7.1                       5.2    1.9     12.3
  SINCE JUL 1     50.7                      35.0   15.7     80.6
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       39                        23     16       20
  MONTH TO DATE  811                       752     59      941
  SINCE MAR 1    811                       752     59      941
  SINCE JUL 1   5991                      5486    505     6356

 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    23   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED    11.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           300 AM
 LOWEST     43           100 PM
 AVERAGE    64

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   52        79      1986
 MINIMUM TEMPERATURE (F)   33         9      1887


SUNRISE AND SUNSET
MARCH 28 2015.........SUNRISE   642 AM CDT   SUNSET   712 PM CDT
MARCH 29 2015.........SUNRISE   640 AM CDT   SUNSET   714 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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