Table 5. River discharge and suspended- and bedload-sediment discharge, Kootenai River near Bonners Ferry, Idaho, water year 2008.

[Abbreviations: m³/s, cubic meter per second; mm, millimeter; <, less than; >, greater than; ≥, greater than or equal to; D, diameter; –, no data]

Date completed	Discharge (m3/s)	Discharge downstream of Libby Dam (m3/s)	Estimated tributary discharge (m3/s)	Suspended sediment			Bedload sediment				Total loading
				Fines load (<0.063 mm, metric tons per day)	Sand load (≥0.063 mm, metric tons per day)		Fines to medium sand (<0.5 mm, metric tons per day)	Sand load (2 mm>D≥ 0.5 mm, metric tons per day)	Gravel load (≥2 mm, metric tons per day)		Fines + sand + gravel (metric tons per day)
Kootenai River below Moyie River—4842231161104
12-12-07	569	504	65.1	184	112		0.18	0	0		296
12-13-07	589	566	22.7	162	151		.82	0.09	0		314
05-07-08	705	252	453	2,390	263		.82	1.91	2.6		2,660
05-17-081	1,110	391	722	9,250	1,540		–	–	–		–
05-18-08	1,310	391	923	19,200	2,630		35.4	71.7	142		22,100
06-01-08	1,020	413	603	2,300	508		0	1.72	4.55		2,810
06-03-082	1,210	748	462	2,710	1,910		16.3	47.2	97.1		4,780
06-04-08	988	606	382	1,230	744		9.98	2.27	1.53		1,990
06-11-08	1,050	739	314	804	740		.09	1.18	1.02		1,550
06-12-08	1,030	745	286	756	678		.09	1.72	2.91		1,440
Kootenai River below Fry Creek—12309490
12-13-07	592	507	85	249	315		0	0	0		–
05-07-08	719	255	464	2,820	671		0.36	36.3	36.2		3,560
05-08-08	748	253	496	2,950	671		.64	24.5	24		3,670
05-17-08	1,140	394	745	11,000	1,630		14.5	20	18.1		12,700
05-18-08	1,310	388	918	19,400	2,180		7.44	9.07	8.75		21,600
06-01-08	895	416	479	1,960	363		–	0.36	0.32		2,320
06-03-08	1,130	739	394	2,590	1,120		3.27	.27	.07		3,710
06-11-08	1,000	745	258	907	562		.09	.09	0		1,470
06-13-08	1,020	742	275	943	553		.09	.18	0		1,500
Kootenai River above Shorty's Island—4845421162319
12-14-07	671	643	28.3	1,090	592		31.8	8.16	0.18		1,720
05-08-083	745	254	490	4,320	3,030		–	–	–		–
05-16-08	963	394	569	3,170	1,420		3.54	6.08	.01		4,600
05-18-083	1,320	388	932	18,300	5,030		–	–	–		–
05-31-08	963	416	547	2,500	583		0.54	1.72	.03		3,090
06-02-08	1,240	742	501	7,330	4,740		4.54	7.26	.09		12,100
06-03-08	1,160	753	411	3,020	1,510		200	14.5	.01		4,740
06-12-08	1,040	745	297	1,170	989		2	2.99	.04		2,160

¹ No bedload sampled due to lost sampler.

² Bedload sampled on 06-02-2008.

³ No bedload sampled.