Dreamflows Rating Table

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Tuolumne - Below Hetch Hetchy

This rating table shows the relationship between gauge height and river flow for the USGS gauge, id '11276500', located 0.5 mile below road bridge (put-in), 1.1 miles below O'Shaughnessy Dam (Hetch Hetchy Reservoir), CA. Dreamflows generated the graph and table using USGS rating table data. NOTE: The rating table below was published Oct 28, 2022 and was valid only at that time. The relationship between gauge height and river flow may change over time and therefore the older the rating table, the less reliable it is likely to be. The graph shows the range of data of primary interest to boaters, while the numerical listing gives the full range of available data.

	Flow (in cfs) - last revised Oct 28, 2022
Height (feet)	.0	.1	.2	.3	.4	.5	.6	.7	.8	.9
2						21	27	35	44	52
3	61	71	81	92	103	115	127	139	152	165
4	179	196	213	231	249	268	288	308	329	351
5	373	398	425	452	480	508	538	569	600	632
6	665	701	738	776	815	855	896	938	981	1025
7	1070	1121	1173	1226	1281	1338	1395	1454	1515	1577
8	1640	1722	1806	1893	1983	2075	2170	2268	2369	2473
9	2580	2690	2803	2919	3038	3160	3285	3414	3546	3681
10	3820	3960	4104	4251	4402	4555	4713	4874	5038	5206
11	5378	5553	5733	5915	6102	6293	6487	6685	6887	7093
12	7303	7518	7736	7958	8185	8415	8650	8889	9133	9380
13	9633	9889	10150	10416	10686	10960	11239	11523	11811	12104
Height (feet)	.0	.1	.2	.3	.4	.5	.6	.7	.8	.9
14	12402	12705	13012	13324	13641	13963	14290	14622	14959	15301
15	15648	16000

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