Bonneville Dam & Lake on Columbia River

May 2024

Day of Month	Total Generation MWh	Average Generation MW	Station Use MWh	Inflow kcfs	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Midnight Reservoir Elevation	Average Forebay Elevation	Average Tailwater Elevation	Average Head feet	Project Average Tailwater	2nd Powerhouse Total MWh	2nd Powerhouse Flow kcfs
1	3729	155	96	163.80	159.80	35.10	112.40	73.10	72.80	13.90	58.90	14.00	3729	35.10
2	3599	150	96	163.90	162.90	33.80	116.70	73.30	73.20	14.00	59.20	14.10	3599	33.80
3	3558	148	96	165.90	163.90	33.30	118.20	73.50	73.70	14.10	59.60	14.10	3558	33.30
4	3903	163	96	166.70	179.70	37.90	129.40	72.10	72.70	15.50	57.20	15.50	3903	37.90
5	4076	170	96	166.50	167.50	39.50	115.60	72.10	72.10	15.10	57.00	15.10	4076	39.50
6	3730	155	96	165.90	151.90	35.40	104.10	73.60	72.80	14.40	58.40	14.50	3730	35.40
7	3571	149	96	148.80	152.80	33.70	106.60	73.10	73.10	14.40	58.70	14.50	3571	33.70
8	3960	165	96	165.90	164.90	38.10	114.40	73.20	73.00	15.10	57.90	15.10	3960	38.10
9	3677	153	96	168.50	167.50	35.60	119.50	73.30	72.90	15.00	57.90	15.10	3677	35.60
10	3429	143	96	189.60	186.60	34.00	140.10	73.50	73.30	15.90	57.40	16.00	3429	34.00
11	3838	160	96	181.80	193.80	38.80	142.60	72.30	72.60	16.50	56.10	16.50	3838	38.80
12	3999	167	96	181.40	178.40	39.10	126.90	72.60	72.20	15.60	56.60	15.60	3999	39.10
13	4081	170	96	180.40	180.40	39.80	128.30	72.60	72.50	15.50	57.00	15.50	4081	39.80
14	5172	216	96	213.10	209.10	53.10	143.60	73.10	72.60	17.10	55.50	17.00	5172	53.10
15	7377	307	96	240.60	239.60	78.50	148.70	73.20	72.60	19.00	53.60	19.00	7377	78.50
16	7324	305	96	249.50	239.50	77.90	149.30	74.30	73.00	19.00	54.00	18.90	7324	77.90
17	7310	305	96	226.70	239.70	77.80	149.50	73.00	73.10	19.10	54.00	19.00	7310	77.80
18	7113	296	96	234.30	237.30	75.80	149.00	72.70	72.70	18.90	53.80	18.80	7113	75.80
19	7229	301	96	254.60	238.60	77.10	149.10	74.30	72.90	18.90	54.00	18.80	7229	77.10
20	7794	325	96	238.40	246.40	84.00	150.10	73.20	73.40	19.40	54.00	19.40	7794	84.00
21	6510	271	96	229.20	231.20	69.20	149.60	73.40	73.10	18.80	54.30	18.70	6510	69.20
22	5050	210	96	213.20	211.20	52.80	146.10	73.50	72.90	17.60	55.30	17.60	5050	52.00
23	7047	294	96	233.90	236.90	75.20	149.30	73.10	73.10	18.90	54.20	18.90	7047	75.10
24	5963	248	96	233.80	224.80	62.40	150.00	74.10	73.30	18.50	54.80	18.40	5963	62.40
25	3510	146	96	191.00	198.00	35.20	150.40	73.30	73.60	16.90	56.70	16.90	3510	35.20
26	3327	139	96	186.80	180.80	32.50	135.90	73.90	73.70	15.60	58.10	15.60	3327	32.50
27	3355	140	96	175.90	176.90	32.70	131.80	73.90	73.20	15.10	58.10	15.10	3355	32.70
28	3505	146	96	188.70	191.70	34.40	144.90	73.30	73.50	16.00	57.50	16.00	3505	34.40
29	4530	189	96	197.60	206.60	45.80	148.40	72.70	73.00	17.00	56.00	17.00	4530	45.80
30	4067	169	96	215.70	202.70	41.10	149.20	74.00	73.00	16.80	56.20	16.80	4067	41.10
31	6855	286	96	228.30	233.30	71.30	149.60	73.40	73.30	18.50	54.80	18.40	6855	71.30

TOT	152188		2976
AVG	4909	205	96	198.72	198.53	50.03	136.11	73.25	73.00	16.65	56.35	16.64	4909	50.00

MAX	7794			254.60	246.40	84.00	150.40	74.30	73.70	19.40	59.60	19.40	7794	84.00
MIN	3327			148.80	151.90	32.50	104.10	72.10	72.10	13.90	53.60	14.00	3327	32.50