Lower Colorado River Operations

Note: The hydrologic data on this website are provisional records collected by an automated process and are subject to change. At the conclusion of each calendar year, these data are reviewed and revised as needed, following standards for quality assurance, to create final data records published in the Lower Colorado River Stream Flow Reports and the Colorado River Accounting and Water Use Reports.

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REPORT LAST UPDATED ON: 12/15/2025 12:13 AM

SITE NAME: LAKE MEAD
PARAMETER: AVERAGE POWER RELEASE
UNITS: CFS

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Minimum Daily Value: 1,278 cfs
Maximum Daily Value: 20,545 cfs
Average Daily Value: 10,515 cfs
Cumulative Daily Volume: 7,258,078 acre-feet

Day	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC
1	6,963	9,094	12,158	15,674	19,354	14,299	15,304	12,396	9,227	3,262	7,349	3,614
2	7,731	8,326	10,579	16,609	19,649	16,661	13,365	10,155	10,034	3,030	8,827	5,125
3	7,111	8,116	12,826	16,807	18,006	17,564	12,926	9,786	8,409	2,879	8,583	4,070
4	5,850	7,132	12,783	17,681	14,784	16,018	10,973	10,798	5,823	2,213	9,654	3,177
5	6,060	8,656	13,706	16,488	15,012	15,308	9,211	8,110	4,965	2,484	9,575	2,766
6	6,266	9,172	13,916	15,384	17,676	15,424	10,053	9,581	4,417	7,822	8,830	2,098
7	6,708	7,343	12,712	16,563	16,903	14,244	14,657	11,239	4,933	8,763	9,350	2,209
8	6,851	7,409	10,147	16,205	20,545	14,467	13,983	11,093	8,816	9,117	8,519	3,673
9	7,004	8,365	9,382	15,924	19,259	15,421	13,865	11,328	7,672	11,010	8,709	3,493
10	6,585	6,792	11,929	17,782	17,667	14,781	13,504	12,503	6,442	11,328	10,038	3,427
11	6,380	6,182	12,916	17,320	15,378	12,066	14,101	11,520	6,708	8,421	8,874	2,931
12	6,481	7,175	15,499	14,881	16,768	11,747	10,380	10,614	4,913	9,376	9,629	2,856
13	5,896	7,901	14,312	15,832	13,261	11,839	10,700	11,027	4,265	10,474	10,327	2,491
14	6,099	6,451	14,907	17,134	13,464	10,811	10,411	9,387	3,954	9,216	9,619	2,837
15	6,750	5,557	12,065	17,710	14,725	10,013	9,542	8,625	8,464	9,601	8,612	--
16	7,529	6,126	11,377	17,962	15,839	12,716	8,928	8,075	11,535	9,910	8,287	--
17	6,739	8,663	11,386	17,064	10,486	14,121	10,114	9,073	11,091	11,865	8,130	--
18	6,554	9,367	10,113	16,187	9,845	14,294	10,163	8,808	11,482	10,162	8,462	--
19	5,566	11,183	10,749	14,074	13,218	15,106	7,311	9,159	11,826	8,519	9,243	--
20	6,016	12,225	11,868	13,130	16,404	12,206	8,721	11,311	9,670	8,596	7,225	--
21	7,489	10,524	12,578	15,384	19,010	10,544	10,449	12,426	9,662	7,117	7,765	--
22	10,402	8,805	10,494	16,819	19,093	10,952	11,742	10,588	10,341	7,330	5,677	--
23	9,550	9,903	9,472	17,001	15,434	12,134	11,740	9,464	11,934	7,537	6,355	--
24	7,500	11,150	14,254	17,418	12,936	12,130	12,455	10,390	8,377	7,948	2,381	--
25	6,470	12,375	15,286	16,169	11,691	11,404	13,109	10,159	7,007	6,861	1,537	--
26	6,649	13,565	13,772	9,476	12,806	14,008	11,696	10,370	6,377	6,712	1,737	--
27	9,410	15,873	14,940	7,661	15,915	14,474	12,411	9,363	5,556	8,344	1278.2	--
28	13,031	15,433	15,633	9,948	18,071	11,635	11,514	9,578	7,042	9,905	2,119	--
29	12,765	--	12,685	13,186	17,393	11,900	12,742	9,823	4,627	9,617	1293.7	--
30	12,507	--	13,020	14,997	18,414	13,753	13,569	8,840	4,481	8,932	1383.0	--
31	10,602	--	14,882	--	16,388	--	13,903	10,848	--	6,141	--	--