Chief Joseph Dam & Rufus Woods Lake

September 2021

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
1	29813	1242	25	88.70	92.70	92.70	0.00	954.00	954.00	781.50	172.50
2	24442	1018	25	72.40	75.90	75.90	0.00	953.10	953.60	780.20	173.40
3	23557	982	24	69.90	73.00	73.00	0.00	952.30	952.60	779.80	172.80
4	17840	743	25	55.40	55.40	55.40	0.00	952.30	952.23	779.50	172.73
5	16877	703	26	56.20	52.30	52.30	0.00	953.30	952.70	780.10	172.60
6	19156	798	26	62.20	59.10	59.10	0.00	954.10	953.70	780.30	173.40
7	19520	813	27	58.20	60.20	60.20	0.00	953.60	954.40	780.10	174.30
8	16791	700	27	49.40	52.10	52.10	0.00	952.90	953.20	779.10	174.10
9	17758	740	27	52.10	55.20	55.20	0.00	952.10	952.70	779.20	173.50
10	16749	698	28	59.40	52.00	52.00	0.00	954.00	953.10	780.00	173.10
11	19205	800	28	58.50	59.70	59.70	0.00	953.70	953.90	780.60	173.30
12	13702	571	28	42.20	42.60	42.60	0.00	953.60	953.40	779.30	174.10
13	19923	830	27	57.70	62.00	62.00	0.00	952.50	953.20	779.90	173.30
14	17424	726	26	55.90	54.40	54.40	0.00	952.90	952.80	780.60	172.20
15	17161	715	26	56.10	53.40	53.40	0.00	953.60	953.30	780.50	172.80
16	19813	826	27	63.60	61.60	61.60	0.00	954.10	953.60	780.50	173.10
17	18458	769	26	56.70	57.10	57.10	0.00	954.00	953.70	780.10	173.60
18	15652	652	27	46.40	48.40	48.40	0.00	953.50	954.00	779.40	174.60
19	14810	617	27	44.20	45.80	45.80	0.00	953.10	953.40	779.80	173.60
20	17730	739	28	56.30	54.70	54.70	0.00	953.50	953.70	780.10	173.60
21				67.00	65.80	65.80	0.00	953.80	953.40	780.60	172.80
22				59.70	65.90	65.90	0.00	952.20	953.00	780.90	172.10
23				71.40	67.90	67.90	0.00	953.10	952.50	781.00	171.50
24				66.70	69.80	69.80	0.00	952.30	952.80	780.50	172.30
25				54.70	52.00	52.00	0.00	953.00	952.30	779.60	172.70
26				53.00	47.90	47.90	0.00	954.30	953.30	778.80	174.50
27				58.00	60.00	60.00	0.00	953.80	953.80	779.40	174.40
28
29
30

TOT	376381		530
AVG	18819	784	26	58.96	59.14	59.14	0.00	953.29	953.27	780.05	173.22

MAX	29813			88.70	92.70	92.70	0.00	954.30	954.40	781.50	174.60
MIN	13702			42.20	42.60	42.60	0.00	952.10	952.23	778.80	171.50