Chicago Weather O'Hare Data Thursday, April 30 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.

30	23:51	NW 6	10.00	Fair	CLR	38	34			86%	33	NA	30.09	1019.4
30	22:51	N 3	10.00	Fair	CLR	39	34			82%	NA	NA	30.09	1019.4
30	21:51	N 6	10.00	Fair	CLR	43	35			74%	39	NA	30.09	1019.4
30	20:51	N 6	10.00	A Few Clouds	FEW250	44	35			71%	41	NA	30.08	1019.1
30	19:51	NE 6	10.00	A Few Clouds	FEW250	46	34			63%	43	NA	30.07	1018.5
30	18:51	NE 15	10.00	A Few Clouds	FEW030	48	34	51	47	58%	42	NA	30.06	1018.2
30	17:51	NE 14 G 21	10.00	A Few Clouds	FEW030 FEW038	49	34			56%	44	NA	30.05	1017.9
30	16:51	NE 14	10.00	Mostly Cloudy	FEW029 BKN038	49	35			59%	44	NA	30.04	1017.6
30	15:51	NE 12	10.00	Overcast	FEW023 SCT032 OVC042	49	37			64%	44	NA	30.03	1017.3
30	14:51	NE 13	10.00	Overcast	SCT025 BKN030 OVC044	47	36			66%	41	NA	30.03	1017.2
30	13:51	NE 15	10.00	Overcast	FEW024 BKN031 OVC060	49	38			66%	43	NA	30.02	1016.8
30	12:51	NE 18	10.00	Mostly Cloudy	FEW030 BKN043 BKN070	49	36	51	42	61%	43	NA	30.00	1016.3
30	11:51	NE 17	10.00	Mostly Cloudy	BKN030 BKN041	49	35			59%	43	NA	30.00	1016.1
30	09:51	NE 15 G 20	10.00	Mostly Cloudy	BKN034 BKN080	48	33			56%	42	NA	29.97	1015.0
30	08:51	N 15	10.00	Mostly Cloudy	FEW027 BKN080	47	33			59%	41	NA	29.96	1014.9
30	07:51	N 15	10.00	Mostly Cloudy	FEW055 BKN080	43	33			68%	36	NA	29.95	1014.6
30	06:51	N 15	10.00	Mostly Cloudy	FEW055 BKN080	42	33	43	40	71%	34	NA	29.93	1013.9
30	05:51	N 12	10.00	A Few Clouds	FEW050	40	32			73%	33	NA	29.93	1013.6
30	04:51	N 9	10.00	A Few Clouds	FEW050 FEW070	40	31			70%	34	NA	29.91	1013.0
30	03:51	N 12	10.00	Partly Cloudy	FEW050 SCT070	41	32			70%	34	NA	29.90	1012.5
30	02:51	N 13	10.00	Mostly Cloudy	FEW060 BKN085	43	32			65%	36	NA	29.90	1012.5
30	01:51	N 8	10.00	A Few Clouds	FEW070	43	32			65%	38	NA	29.90	1012.6
30	00:51	N 7	10.00	A Few Clouds	FEW070	43	33	49	43	68%	39	NA	29.91	1012.8

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, April 30, 2015 …

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

Tired of the chilly weather? Ready for a warm-up? We've got just what you ordered here with our weekend forecast! pic.twitter.com/PhL8ycRWO8

— NWS Chicago (@NWSChicago) April 30, 2015

Cooler today with highs mainly in the 50s. Warmer weather returns for the weekend. #ilwx #inwx pic.twitter.com/tBHZ71pEXZ

— NWS Chicago (@NWSChicago) April 30, 2015

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

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000
CDUS43 KLOT 010635
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT FRI MAY 1 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 30 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         51    100 PM  91    1942  65    -14       53
  MINIMUM         38   1051 PM  30    1873  44     -6       43
  AVERAGE         45                        54     -9       48

PRECIPITATION (IN)
  YESTERDAY        0.00          2.22 2003   0.12  -0.12     0.01
  MONTH TO DATE    2.87                      3.38  -0.51     2.84
  SINCE MAR 1      3.97                      5.88  -1.91     4.55
  SINCE JAN 1      6.83                      9.40  -2.57     9.85

SNOWFALL (IN)
  YESTERDAY        0.0           0.1  1907   0.0    0.0      0.0
  MONTH TO DATE    T                         1.2   -1.2      1.4
  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       20                        11      9       17
  MONTH TO DATE  460                       493    -33      488
  SINCE MAR 1   1370                      1333     37     1513
  SINCE JUL 1   6550                      6067    483     6928

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         9     -9        1
  SINCE MAR 1      0                        10    -10        1
  SINCE JAN 1      0                        10    -10        1
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED    11.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85          1100 PM
 LOWEST     56           900 AM
 AVERAGE    71

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        90      1951
 MINIMUM TEMPERATURE (F)   44        30      1943


SUNRISE AND SUNSET
MAY  1 2015...........SUNRISE   548 AM CDT   SUNSET   750 PM CDT
MAY  2 2015...........SUNRISE   547 AM CDT   SUNSET   751 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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