Lower Granite Dam & Lake

May 2022

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	Midnight Lewiston Gage ft
1	2457	102	44	43.20	42.80	13.70	28.70	736.66	736.68	634.12	102.56	736.87
2	2854	119	45	43.80	44.90	15.90	28.50	736.40	736.53	634.11	102.42	736.64
3	2918	122	45	46.80	46.70	16.30	29.80	736.42	736.34	634.08	102.26	736.67
4	3124	130	45	50.60	50.10	17.40	32.30	736.53	736.49	634.07	102.42	736.80
5	3260	136	45	53.80	55.90	18.20	37.20	736.03	736.43	634.13	102.30	736.38
6	3621	151	44	65.80	65.60	20.50	44.60	736.08	735.94	634.39	101.55	736.41
7	8756	365	43	105.30	107.60	50.30	56.80	735.51	736.12	636.02	100.10	736.33
8	9927	414	43	117.40	118.00	57.50	60.00	735.38	735.83	636.02	99.81	736.25
9	6521	272	44	101.10	98.90	37.50	61.00	735.94	735.84	635.34	100.50	736.52
10	5107	213	44	86.50	85.50	29.00	56.20	736.19	736.11	634.76	101.35	736.02
11	4611	192	44	75.50	76.60	26.20	49.90	735.91	736.04	634.74	101.30	735.69
12	4194	175	45	68.80	68.40	23.70	44.30	735.99	735.95	634.51	101.44	735.71
13	4215	176	45	68.20	67.90	23.90	43.60	736.04	735.86	634.62	101.24	735.80
14	4108	171	45	66.50	66.50	23.20	42.90	736.05	736.00	634.46	101.54	735.77
15	4126	172	44	67.80	67.20	23.20	43.60	736.18	736.08	634.38	101.70	735.91
16	4224	176	44	72.60	74.50	23.90	50.00	735.72	735.92	634.78	101.14	735.67
17	5877	245	44	91.50	94.70	33.80	60.30	734.93	735.25	635.46	99.79	735.10
18	7032	293	44	104.70	106.00	40.70	64.90	734.62	735.00	635.66	99.34	735.06
19	7332	305	44	108.80	108.00	42.40	65.20	734.81	734.81	635.66	99.15	735.04
20	6522	272	44	103.30	104.30	38.00	65.80	734.56	734.76	635.42	99.34	734.72
21				94.10	92.40	32.10	59.90	734.99	734.65	634.94	99.71	734.74
22				90.30	91.30	31.10	59.60	734.74	735.04	634.95	100.09	734.82
23				83.20	82.70	29.20	53.00	734.88	734.66	634.95	99.71	734.64
24				79.50	79.60	27.80	51.30	734.87	734.76	634.91	99.85	734.67
25				79.90	79.70	28.60	50.60	734.92	734.76	634.78	99.98	735.40
26				85.60	85.60	29.60	55.30	734.91	734.94	634.70	100.24	735.50
27				105.10	105.40	40.10	64.90	734.83	735.13	635.35	99.78	735.79
28
29
30
31

TOT	100786		886
AVG	5039	210	44	79.99	80.25	29.40	50.38	735.56	735.63	634.86	100.76	735.74

MAX	9927			117.40	118.00	57.50	65.80	736.66	736.68	636.02	102.56	736.87
MIN	2457			43.20	42.80	13.70	28.50	734.56	734.65	634.07	99.15	734.64