Army Air Forces in World War II

Army Air Forces Statistical Digest,
World War II

Table 194--- Twentieth Air Force -- B-29 Effectiveness in bombing primary targets by day and night: Jun 1944 to Aug 1945

Month	Percent of Day Bomb-Carrying Sorties				Percent of Night Bomb-Carrying Sorties		Percent of All Bomb-Carrying Sorties
	Bombing Primary Targets			Bombing Any Target	Bombing Primary Target	Bombing Any Target	Bombing		Abortive on Primary Targets Due to Mechanical Failures	Airborne on Day Missions
	Total	Visually	Non-Visually	Bombing Any Target	Bombing Primary Target	Bombing Any Target	Primary Target	Any Target	Abortive on Primary Targets Due to Mechanical Failures	Airborne on Day Missions
X X B O M B E R C O M M A N D
Average	74%	57%	17%	90%	81%	89%	75%	90%	14%	88%
1944
Jun	79	27	52	79	69	79	75	79	19	59
Jul	61	61	-	88	67	94	62	89	19	84
Aug	82	71	11	87	76	83	79	85	16	51
Sep	80	41	39	92	-	-	80	92	15	100
Oct	66	66	-	91	-	-	66	91	16	100
Nov	62	40	22	87	-	-	70	88	12	100
Dec	70	62	8	88	-	-	70	88	12	100
1945
Jan	74	49	25	93	87	93	76	93	15	84
Feb	81	68	13	93	83	92	81	93	9	98
Mar	89	76	13	92	92	96	90	93	7	74
X X I B O M B E R C O M M A N D
Average	80%	50%	30%	92%	93%	95%	87%	93%	7%	45%
1944
Nov	13	13	-	78	79	86	21	79	19	87
Dec	70	37	33	85	-	-	70	85	16	100
1945
Jan	44	39	5	83	-	-	44	83	22	100
Feb	50	19	31	87	-	-	50	87	14	100
Mar	57	57	-	93	91	93	84	93	6	20
Apr	84	69	15	93	87	94	85	93	6	67
May	88	57	31	92	91	93	89	92	6	54
Jun	88	40	48	93	94	95	90	94	6	64
Jul	91	31	60	95	94	96	94	96	5	10
Aug	92	74	18	94	94	95	93	95	6	31