John Day Dam

Thursday May 21, 2026

Hour	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Forebay Elevation	Tailwater Elevation	Average Head
1	199.60	59.50	139.10	265.32	159.62	105.70
2	200.00	60.00	139.10	265.32	159.82	105.50
3	198.90	58.80	139.20	265.42	159.92	105.50
4	200.30	60.10	139.30	265.42	160.02	105.40
5	199.60	59.40	139.30	265.42	160.16	105.26
6	199.70	59.50	139.30	265.42	160.12	105.30
7	197.70	57.80	139.00	265.52	160.02	105.50
8	200.30	57.80	139.90	265.52	160.52	105.00
9	209.50	58.70	149.90	265.52	160.52	105.00
10	210.40	57.80	149.90	265.52	160.62	104.90
11	210.00	59.20	149.90	265.52	160.92	104.60
12	209.30	58.50	149.90	265.52	160.92	104.60
13	210.20	59.30	150.00	265.52	161.02	104.50
14	209.90	59.10	149.90	265.52	161.32	104.20
15	211.30	59.10	149.50	265.52	161.62	103.90
16	210.70	59.80	150.10	265.52	161.62	103.90
17	211.30	60.30	150.10	265.52	161.49	104.03
18	212.50	61.50	150.10	265.52	161.52	104.00
19	211.90	60.90	150.10	265.52	161.21	104.31
20	211.60	60.60	150.10	265.52	161.02	104.50
21	211.40	60.40	150.10	265.52	160.83	104.69
22	211.50	60.60	150.10	265.52	160.62	104.90
23	211.80	60.80	150.10	265.52	161.22	104.30
24	212.70	59.90	150.10	265.52	161.06	104.46

AVG	207.17	59.56	146.42	265.49	160.74	104.75

MAX	212.70	61.50	150.10	265.52	161.62	105.70
MIN	197.70	57.80	139.00	265.32	159.62	103.90