Chicago Weather O'Hare Data Monday, April 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	Calm	10.00	Fair	CLR	40	32			73%	NA	NA	30.11	1019.8
27	22:51	NE 6	10.00	A Few Clouds	FEW250	42	33			71%	38	NA	30.12	1020.0
27	21:51	NE 6	10.00	A Few Clouds	FEW050 FEW250	43	32			65%	39	NA	30.13	1020.5
27	20:51	NE 6	10.00	A Few Clouds	FEW050 FEW250	46	32			58%	43	NA	30.11	1019.9
27	19:51	NE 9	10.00	Partly Cloudy	FEW050 SCT250	47	32			56%	43	NA	30.11	1019.8
27	18:51	NE 12	10.00	Partly Cloudy	FEW050 SCT250	50	33	55	49	52%	45	NA	30.11	1020.0
27	17:51	NE 16	10.00	Partly Cloudy	FEW050 SCT250	51	33			50%	NA	NA	30.11	1020.1
27	16:51	NE 17	10.00	Partly Cloudy	FEW050 SCT250	51	33			50%	NA	NA	30.12	1020.3
27	15:51	NE 16	10.00	A Few Clouds	FEW050 FEW250	53	33			47%	NA	NA	30.12	1020.3
27	14:51	NE 13	10.00	A Few Clouds	FEW045 FEW250	53	34			48%	NA	NA	30.12	1020.1
27	13:51	NE 15 G 20	10.00	A Few Clouds	FEW045 FEW250	54	35			49%	NA	NA	30.10	1019.6
27	12:51	NE 14	10.00	A Few Clouds	FEW044 FEW250	55	34	55	41	45%	NA	NA	30.11	1019.8
27	11:51	NE 15	10.00	A Few Clouds	FEW042 FEW250	53	34			48%	NA	NA	30.12	1020.4
27	10:51	N 14	10.00	Mostly Cloudy	BKN044 BKN250	51	32			48%	NA	NA	30.12	1020.3
27	09:51	N 13 G 18	10.00	Partly Cloudy	SCT042 SCT250	49	32			52%	44	NA	30.13	1020.4
27	08:51	N 9	10.00	A Few Clouds	FEW250	47	32			56%	43	NA	30.12	1020.2
27	07:51	N 9	10.00	Fair	CLR	44	31			60%	39	NA	30.10	1019.7
27	06:51	N 8	10.00	Fair	CLR	41	30	42	38	65%	36	NA	30.08	1019.0
27	05:51	N 7	10.00	Fair	CLR	39	30			70%	34	NA	30.04	1017.7
27	04:51	N 10 G 22	10.00	Fair	CLR	39	30			70%	32	NA	30.04	1017.5
27	03:51	N 7	10.00	Fair	CLR	39	30			70%	34	NA	30.05	1017.9
27	02:51	N 8	10.00	Fair	CLR	40	30			68%	35	NA	30.06	1018.0
27	01:51	N 12	10.00	Fair	CLR	41	30			65%	34	NA	30.05	1018.0

27

00:51

NNW 12

10.00

Clear

CLR

42

30

62%

36

NA

30.06

??

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, April 27, 2015 …

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

More of same thru Fri, brief cool down Thu. Warmth (& storms?) return this wknd. Protect sensitive plants tonight. pic.twitter.com/molb3ZAUvv

— NWS Chicago (@NWSChicago) April 27, 2015

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

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000
CDUS43 KLOT 280633
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT TUE APR 28 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 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         55   1232 PM  87    1986  64     -9       60
  MINIMUM         38   1152 PM  29    1945  43     -5       42
  AVERAGE         47                        53     -6       51

PRECIPITATION (IN)
  YESTERDAY        0.00          2.13 1959   0.12  -0.12     0.03
  MONTH TO DATE    2.87                      3.02  -0.15     1.61
  SINCE MAR 1      3.97                      5.52  -1.55     3.32
  SINCE JAN 1      6.83                      9.04  -2.21     8.62

SNOWFALL (IN)
  YESTERDAY        0.0           0.2  1950   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       18                        12      6       14
  MONTH TO DATE  407                       458    -51      444
  SINCE MAR 1   1317                      1299     18     1469
  SINCE JUL 1   6497                      6033    464     6884

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


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED    10.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76          1100 PM
 LOWEST     43          1200 PM
 AVERAGE    60

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   64        86      1915
 MINIMUM TEMPERATURE (F)   43        28      1992


SUNRISE AND SUNSET
APRIL 28 2015.........SUNRISE   552 AM CDT   SUNSET   747 PM CDT
APRIL 29 2015.........SUNRISE   551 AM CDT   SUNSET   748 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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