Fork length distribution of juvenile chum sampled below Bonneville Dam, 2007
															Bonneville Dam
				Number of chum in millimeters								Mean length	% chm		tailwater	discharge	water
Week	Date	Total	Range	30-39	40-49	50-59	60-69	70-79	80-89	90-100	> 100	CHM < 100	< 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	0	-	0	0	0	0	0	0	0	0	-	-	-	13.7	146.1	35.1
7	8-Feb	0	-	0	0	0	0	0	0	0	0	-	-	-	13.9	147.7	35.2
8	12-Feb	9	36-46	2	7	0	0	0	0	0	0	41.0	100%	0%	13.6	147.3	35.8
8	15-Feb	26	40-48	0	26	0	0	0	0	0	0	43.9	100%	0%	13.5	139.8	36.0
9	20-Feb	4	40-44	0	4	0	0	0	0	0	0	42.8	100%	0%	17.1	181.5	37.6
9	23-Feb	20	38-47	5	15	0	0	0	0	0	0	41.3	100%	0%	13.5	130.0	37.8
10	26-Feb	52	38-47	9	43	0	0	0	0	0	0	41.8	100%	0%	13.4	137.7	37.8
10	1-Mar	4	34-42	2	2	0	0	0	0	0	0	38.8	100%	0%	16.1	176.6	37.9
11	5-Mar	9	34-45	5	4	0	0	0	0	0	0	38.7	100%	0%	13.6	136.6	38.8
11	8-Mar	9	38-44	3	6	0	0	0	0	0	0	40.6	100%	0%	15.1	159.8	39.4
12	12-Mar	11	38-45	5	6	0	0	0	0	0	0	40.6	100%	0%	14.4	139.2	40.1
12	15-Mar	2	40-41	0	2	0	0	0	0	0	0	40.5	100%	0%	19.7	226.4	40.6
13	19-Mar	6	39-52	2	3	1	0	0	0	0	0	43.7	100%	0%	18.4	209.6	41.7
13	22-Mar	1	42	0	1	0	0	0	0	0	0	42.0	100%	0%	20.5	232.2	42.3
14	26-Mar	6	39-52	1	4	1	0	0	0	0	0	44.3	100%	0%	22.3	291.1	43.7
14	29-Mar	13	39-50	1	11	1	0	0	0	0	0	42.4	100%	0%	20.0	230.5	43.5
15	2-Apr	12	38-48	2	10	0	0	0	0	0	0	43.5	100%	0%	20.3	244.5	43.0
15	5-Apr	6	38-44	1	5	0	0	0	0	0	0	41.0	100%	0%	21.4	270.8	43.5
16	9-Apr	46	37-52	19	26	1	0	0	0	0	0	40.3	100%	0%	18.2	226.3	45.0
16	12-Apr	40	36-66	13	25	1	1	0	0	0	0	42.2	98%	3%	17.2	198.4	47.8
17	16-Apr	14	36-58	3	6	5	0	0	0	0	0	45.9	100%	0%	16.7	173.6	48.9
17	19-Apr	29	35-48	13	16	0	0	0	0	0	0	39.9	100%	0%	18.3	203.8	49.5
18	23-Apr	30	37-48	11	19	0	0	0	0	0	0	40.5	100%	0%	19.9	247.2	50.2
18	26-Apr	142	35-53	17	124	1	0	0	0	0	0	41.6	100%	0%	19.6	249.4	51.1
19	30-Apr	6	39-42	2	4	0	0	0	0	0	0	40.3	100%	0%	19.7	251.0	52.5
19	3-May	7	40-50	6	1	0	0	0	0	0	0	42.7	100%	0%	21.8	278.1	51.6
20	7-May	8	42-51	0	6	2	0	0	0	0	0	46.4	100%	0%	21.3	257.1	52.5
20	10-May	0	-	0	0	0	0	0	0	0	0	-	-	-	23.0	304.1	52.9
21	14-May	2	57-63	0	0	1	1	0	0	0	0	60.0	50%	50%	23.7	321.8	54.1
21	17-May	1	55	0	0	1	0	0	0	0	0	55.0	100%	0%	21.4	266.7	56.7
22	21-May	0	-	0	0	0	0	0	0	0	0	-	-	-	20.8	270.3	na
22	24-May	0	-	0	0	0	0	0	0	0	0	-	-	-	20.4	253.0	58.6
23	29-May	0	-	0	0	0	0	0	0	0	0	-	-	-	18.8	22.1	57.0
		515		122	376	15	2	0	0	0	0	43.0	100%	0%
* Temperature readings from USGS gauge, as of 4/12, taken from mouth of Hamilton Cr. sensor # 2.