USGS CD-ROM: Sediment Tables

07022000 MISSISSIPPI RIVER AT THEBES, IL

(National stream-quality accounting network station)

LOCATION.--Lat 37°13'00", long 89°27'50", in NW ¼ sec.17, T.15 S., R.3 W., Alexander County, Hydrologic Unit 07140105, near center span on downstream side of railroad bridge at Thebes, 5.0 mi downstream from Headwater Diversion Channel, and at mile 43.7 above Ohio River.

DRAINAGE AREA.--713,200 mi², approximately.

PERIOD OF RECORD.--October 1980 to current year.

PERIOD OF DAILY RECORD.--
SUSPENDED SEDIMENT: October 1980 to current year.

REMARKS.--Sediment records good.

EXTREMES FOR PERIOD OF DAILY RECORD.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 3,890 mg/L, Dec. 22, 1985; minimum daily mean, 13 mg/L, Jan. 28, 1981.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 6,280,000 tons, Mar. 1, 1985; minimum daily, 2,530 tons, Jan. 28, 1981.

EXTREMES FOR CURRENT YEAR.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 1,460 mg/L, June 22; minimum daily mean, 120 mg/L, Aug. 30.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 1,800,000 tons, Apr. 6; minimum daily, 39,000 tons, Sept. 16.

SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
		MEAN			MEAN			MEAN
	MEAN	CONCEN-	SEDIMENT	MEAN	CONCEN-	SEDIMENT	MEAN	CONCEN-	SEDIMENT
	DISCHARGE	TRATION	DISCHARGE	DISCHARGE	TRATION	DISCHARGE	DISCHARGE	TRATION	DISCHARGE
DAY	(CFS)	(mg/L)	(TONS/DAY)	(CFS)	(mg/L)	(TONS/DAY)	(CFS)	(mg/L)	(TONS/DAY)

	OCTOBER			NOVEMBER			DECEMBER

1	156000	152	63800	170000	175	80400	153000	175	72300
2	146000	153	60200	175000	169	80000	164000	190	84400
3	141000	149	56600	177000	169	81000	167000	250	112000
4	140000	142	53500	175000	175	82400	174000	269	127000
5	139000	155	57900	170000	162	74400	187000	427	216000

6	137000	155	57500	169000	174	79300	186000	472	237000
7	138000	149	55400	175000	168	79400	180000	433	210000
8	138000	134	49800	175000	178	83900	179000	405	196000
9	136000	132	48400	170000	181	83100	180000	393	191000
10	136000	142	52200	167000	164	73600	178000	307	148000

11	136000	150	54700	163000	163	71900	177000	258	124000
12	133000	148	53000	161000	139	60500	173000	239	111000
13	135000	162	58500	161000	157	68400	167000	198	89500
14	134000	142	51200	160000	182	78800	166000	173	77400
15	136000	153	56300	158000	164	69800	165000	187	83100

16	137000	167	61000	156000	170	71700	161000	160	69500
17	140000	172	64800	154000	140	58000	157000	205	86700
18	155000	176	74000	152000	138	56400	154000	193	80100
19	165000	181	80800	151000	164	67000	155000	208	86600
20	165000	185	82500	152000	150	61600	152000	201	82400

21	165000	188	83600	150000	155	62800	145000	170	66800
22	164000	189	83800	151000	146	59300	147000	168	66800
23	164000	187	83000	151000	156	63400	151000	219	89300
24	164000	188	83300	148000	160	64200	153000	194	79900
25	164000	204	90600	146000	143	56600	156000	183	77100

26	165000	186	82700	144000	133	51800	161000	220	96000
27	163000	175	76800	139000	141	53000	168000	245	111000
28	162000	184	80600	133000	154	54900	172000	239	112000
29	159000	178	76500	132000	177	62800	176000	234	111000
30	157000	162	68400	141000	162	61500	176000	248	118000

31	162000	186	81400	---	---	---	172000	243	112000


	JANUARY			FEBRUARY			MARCH

1	160000	281	122000	155000	---	55100	323000	266	233000
2	150000	229	92400	159000	133	57400	323000	461	401000
3	146000	225	88800	161000	---	56600	297000	417	334000
4	144000	208	80500	157000	---	53700	279000	376	283000
5	144000	198	76900	153000	---	50900	270000	308	224000

6	161000	200	87700	159000	---	54100	265000	254	182000
7	194000	285	150000	177000	---	78700	260000	222	156000
8	230000	273	171000	189000	---	108000	255000	186	128000
9	295000	375	301000	185000	---	104000	267000	193	140000
10	345000	430	403000	177000	---	93700	302000	270	221000

11	336000	558	504000	172000	---	85800	357000	388	377000
12	291000	547	429000	169000	---	80000	396000	602	645000
13	252000	419	285000	199000	---	137000	406000	789	864000
14	220000	310	185000	267000	---	373000	393000	714	757000
15	198000	209	112000	285000	---	546000	363000	549	539000

16	187000	187	94600	270000	---	369000	332000	398	357000
17	176000	176	83400	260000	---	258000	306000	309	255000
18	171000	166	76900	266000	---	261000	316000	284	243000
19	172000	171	79400	267000	---	272000	349000	306	289000
20	167000	193	87100	280000	---	296000	406000	389	430000

21	160000	---	78200	281000	---	288000	462000	554	694000
22	158000	---	70200	276000	---	243000	500000	726	984000
23	159000	---	65800	270000	276	201000	531000	796	1140000
24	160000	---	69100	261000	204	144000	541000	765	1120000
25	161000	---	73800	256000	178	123000	534000	573	826000

26	161000	---	76200	247000	179	119000	516000	488	680000
27	158000	---	67700	249000	215	145000	493000	417	555000
28	154000	---	58700	277000	201	151000	475000	383	491000
29	150000	---	51400	---	---	---	462000	376	468000
30	151000	---	51800	---	---	---	448000	365	441000

31	154000	---	53700	---	---	---	441000	354	421000


	APRIL			MAY			JUNE

1	438000	347	410000	457000	241	298000	282000	405	308000
2	443000	339	406000	468000	316	400000	266000	421	302000
3	472000	445	570000	486000	410	538000	261000	386	272000
4	506000	787	1080000	493000	514	683000	263000	319	227000
5	531000	1130	1620000	483000	447	583000	279000	315	237000

6	551000	1210	1800000	469000	348	440000	292000	335	265000
7	565000	985	1500000	452000	317	386000	310000	407	342000
8	572000	749	1160000	424000	311	355000	308000	690	572000
9	569000	639	982000	399000	294	316000	293000	774	614000
10	555000	552	827000	383000	291	301000	284000	491	376000

11	535000	493	712000	363000	293	293000	296000	393	315000
12	523000	470	664000	363000	287	281000	312000	449	379000
13	523000	533	753000	353000	293	280000	329000	457	406000
14	539000	610	890000	345000	279	259000	334000	432	390000
15	547000	571	844000	338000	246	225000	350000	432	409000

16	574000	640	993000	333000	220	198000	376000	450	457000
17	593000	528	847000	323000	221	192000	389000	584	615000
18	609000	469	772000	308000	222	184000	402000	841	916000
19	620000	457	765000	289000	216	168000	422000	1170	1340000
20	617000	395	658000	271000	212	155000	435000	1330	1560000

21	603000	350	569000	268000	217	157000	445000	1430	1710000
22	586000	330	522000	275000	202	150000	453000	1460	1780000
23	563000	291	443000	284000	173	133000	467000	1130	1430000
24	539000	247	359000	296000	196	157000	487000	1000	1320000
25	515000	258	358000	303000	238	194000	503000	1000	1360000

26	492000	266	352000	301000	323	263000	509000	1150	1580000
27	476000	260	334000	311000	332	279000	506000	750	1020000
28	459000	250	310000	326000	379	334000	494000	557	743000
29	445000	235	283000	329000	385	342000	472000	541	689000
30	452000	227	277000	316000	382	326000	451000	562	684000

31	---	---	---	299000	382	308000	---	---	---


	JULY			AUGUST			SEPTEMBER

1	432000	464	540000	348000	662	622000	175000	126	59500
2	424000	431	494000	335000	564	510000	183000	147	72600
3	433000	481	563000	313000	457	386000	180000	165	80200
4	451000	605	738000	296000	444	354000	164000	169	74700
5	463000	832	1040000	271000	484	354000	146000	190	74200

6	458000	665	822000	264000	493	351000	137000	230	84900
7	449000	601	730000	265000	525	376000	135000	206	74800
8	450000	622	755000	263000	431	306000	134000	176	63700
9	454000	575	704000	254000	312	213000	130000	159	55600
10	452000	533	650000	250000	244	165000	123000	143	47400

11	451000	547	665000	251000	231	157000	116000	151	47100
12	449000	485	588000	244000	210	138000	115000	170	52600
13	444000	492	590000	239000	199	129000	115000	161	49800
14	437000	605	714000	236000	191	121000	111000	152	45400
15	427000	698	804000	228000	191	118000	107000	141	40700

16	415000	659	738000	221000	174	104000	110000	131	39000
17	398000	595	639000	217000	172	101000	121000	138	46600
18	374000	587	591000	207000	177	98800	191000	212	115000
19	345000	615	571000	192000	202	104000	241000	531	345000
20	311000	604	506000	186000	234	117000	221000	610	365000

21	287000	535	414000	192000	179	93000	195000	464	245000
22	272000	368	270000	191000	174	89600	177000	359	172000
23	263000	308	219000	180000	170	82800	163000	313	137000
24	255000	292	200000	169000	170	77200	152000	321	132000
25	246000	276	183000	157000	160	67500	146000	205	80800

26	243000	250	164000	152000	147	60100	147000	168	66700
27	241000	233	151000	153000	140	57700	153000	154	63900
28	239000	205	132000	156000	144	60500	157000	147	62300
29	271000	282	211000	156000	123	51800	159000	166	71200
30	316000	587	503000	161000	120	52300	157000	174	73500

31	340000	644	592000	167000	123	55800	---	---	---