Fork length distribution of juvenile chinook sampled below Bonneville Dam, 2007
															Bonneville Dam
				Number of chinook in millimeters								Mean length	% chinook		tailwater	discharge	water
Week	Date	Total	Range	30-39	40-49	50-59	60-69	70-79	80-89	90-100	> 100	chf < 150	< 60mm	60-100mm	(ft.)	(kcfs)	temp. (oF)*
6	1-Feb	0	-	0	0	0	0	0	0	0	0	-	-	-	14.5	188.4	34.3
7	5-Feb	7	43-50	0	6	1	0	0	0	0	0	46.4	100%	0%	13.7	146.1	35.1
7	8-Feb	4	35-45	1	3	0	0	0	0	0	0	40.8	100%	0%	13.9	147.7	35.2
8	12-Feb	2	37-49	1	1	0	0	0	0	0	0	43.0	100%	0%	13.6	147.3	35.8
8	15-Feb	10	39-118	2	3	1	0	0	0	1	3	70.3	86%	14%	13.5	139.8	36.0
9	20-Feb	0	-	0	0	0	0	0	0	0	0	-	-	-	17.1	181.5	37.6
9	23-Feb	9	38-67	3	3	1	2	0	0	0	0	41.1	78%	22%	13.5	130.0	37.8
10	26-Feb	3	37-72	1	0	1	0	1	0	0	0	56.0	67%	33%	13.4	137.7	37.8
10	1-Mar	0	-	0	0	0	0	0	0	0	0	-	-	-	16.1	176.6	37.9
11	5-Mar	12	52-173	0	0	1	0	0	0	0	11	117.3	100%	0%	13.6	136.6	38.8
11	8-Mar	34	49-72	0	2	17	13	2	0	0	0	59.7	56%	44%	15.1	159.8	39.4
12	12-Mar	374	39-77	1	10	93	223	47	0	0	0	62.8	28%	72%	14.4	139.2	40.1
12	15-Mar	27	39-130	1	1	3	7	1	0	4	10	84.3	29%	71%	19.7	226.4	40.6
13	19-Mar	40	39-73	1	2	11	20	6	0	0	0	61.5	35%	65%	18.4	209.6	41.7
13	22-Mar	8	37-73	1	2	2	2	1	0	0	0	24.5	63%	38%	20.5	232.2	42.3
14	26-Mar	5	37-68	1	2	1	1	0	0	0	0	49.2	80%	20%	22.3	291.1	43.7
14	29-Mar	18	37-69	1	10	1	6	0	0	0	0	49.6	67%	33%	20.0	230.5	43.5
15	2-Apr	34	41-85	0	10	12	4	6	2	0	0	58.7	65%	35%	20.3	244.5	43.0
15	5-Apr	6	47-75	0	1	0	2	3	0	0	0	66.3	17%	83%	21.4	270.8	43.5
16	9-Apr	13	40-183	0	8	1	3	0	0	0	1	59.8	75%	25%	18.2	226.3	45.0
16	12-Apr	46	39-86	3	17	7	9	6	4	0	0	56.3	59%	41%	17.2	198.4	47.8
17	16-Apr	54	40-112	0	5	8	26	7	7	0	1	65.6	25%	75%	16.7	173.6	48.9
17	19-Apr	80	37-75	9	53	6	7	5	0	0	0	47.1	85%	15%	18.3	203.8	49.5
18	23-Apr	64	38-85	5	37	8	7	5	2	0	0	50.4	78%	22%	19.9	247.2	50.2
18	26-Apr	78	39-96	1	34	7	15	6	13	2	0	58.6	54%	46%	19.6	249.4	51.1
19	30-Apr	80	37-138	16	58	3	1	1	0	0	1	44.5	97%	3%	19.7	251.0	52.5
19	3-May	285	37-152	28	122	10	29	26	51	17	2	59.2	57%	43%	21.8	278.1	51.6
20	7-May	342	36-122	29	234	28	12	7	20	11	1	49.4	85%	15%	21.3	257.1	52.5
20	10-May	486	34-156	54	369	46	5	8	2	0	1	45.2	97%	3%	23.0	304.1	52.9
21	14-May	506	34-138	95	315	36	23	23	8	5	1	46.6	88%	12%	23.7	321.8	54.1
21	17-May	594	37-127	71	449	53	13	2	1	3	1	44.7	97%	3%	21.4	266.7	56.7
22	21-May	669	36-105	46	396	169	37	11	6	2	2	48.7	92%	8%	20.8	270.3	na
22	24-May	532	36-115	36	357	94	19	9	5	6	6	48.5	93%	7%	20.4	253.0	58.6
23	29-May	524	37-112	18	293	160	28	10	5	5	5	50.5	91%	9%	18.8	22.1	57.0
		4,946		425	2803	781	514	193	126	56	46	55.1	82%	18%
* Temperature readings from USGS gauge, as of 4/12, taken from mouth of Hamilton Cr. sensor # 2.