RealClearPolitics - Election 2012 - Ohio: Romney vs. Obama

Poll	Date	Sample	Obama (D)	Romney (R)	Spread
RCP Average	4/15 - 5/20	--	47.2	42.3	Obama +4.9
NBC News/Marist	5/17 - 5/20	1103 RV	48	42	Obama +6
Quinnipiac	5/2 - 5/7	1069 RV	45	44	Obama +1
PPP (D)	5/3 - 5/6	875 RV	50	43	Obama +7
Purple Strategies	4/19 - 4/23	600 LV	49	44	Obama +5
Rasmussen Reports	4/18 - 4/18	500 LV	46	42	Obama +4
FOX News	4/15 - 4/17	606 RV	45	39	Obama +6

Poll	Date	Sample	Obama (D)	Romney (R)	Spread
RCP Average	4/15 - 5/20	--	47.2	42.3	Obama +4.9
NBC News/Marist	5/17 - 5/20	1103 RV	48	42	Obama +6
Quinnipiac	5/2 - 5/7	1069 RV	45	44	Obama +1
PPP (D)	5/3 - 5/6	875 RV	50	43	Obama +7
Quinnipiac	4/25 - 5/1	1130 RV	44	42	Obama +2
Purple Strategies	4/19 - 4/23	600 LV	49	44	Obama +5
Rasmussen Reports	4/18 - 4/18	500 LV	46	42	Obama +4
FOX News	4/15 - 4/17	606 RV	45	39	Obama +6
Rasmussen Reports	3/26 - 3/26	500 LV	48	40	Obama +8
Quinnipiac	3/20 - 3/26	1246 RV	47	41	Obama +6
NBC News/Marist	2/29 - 3/2	1573 RV	50	38	Obama +12
FOX News	2/11 - 2/13	505 RV	38	44	Romney +6
Quinnipiac	2/7 - 2/12	1421 RV	46	44	Obama +2
Rasmussen Reports	2/8 - 2/8	500 LV	45	41	Obama +4
PPP (D)	1/28 - 1/29	820 RV	49	42	Obama +7
Quinnipiac	1/9 - 1/16	1610 RV	44	42	Obama +2
Quinnipiac	11/28 - 12/5	1437 RV	42	43	Romney +1
PPP (D)	11/4 - 11/6	1022 LV	50	41	Obama +9
Quinnipiac	10/31 - 11/7	1312 RV	45	42	Obama +3
Quinnipiac	10/17 - 10/23	1668 RV	45	41	Obama +4
PPP (D)	10/13 - 10/16	581 RV	46	46	Tie
Quinnipiac	9/20 - 9/25	1301 RV	44	42	Obama +2
PPP (D)	8/11 - 8/14	792 RV	45	43	Obama +2
Quinnipiac	7/12 - 7/18	1659 RV	45	41	Obama +4
PPP (D)	5/19 - 5/22	565 RV	46	42	Obama +4
PPP (D)	3/10 - 3/13	559 RV	46	40	Obama +6
PPP (D)	12/10 - 12/12	510 RV	44	42	Obama +2