Grand Coulee Dam

March 2026

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	Banks Lake Pump kcfs	Banks Lake Pump MWh	Banks Lake Elev
1								1262.70
2	55165	2299	216	91.20	101.30	101.30	0.00	1262.40	1262.40	961.03	301.37	0.00	0	1568.94
3	63898	2662	208	90.90	117.40	117.40	0.00	1261.70	1262.11	962.20	299.91	0.00	0	1568.89
4	65003	2708	198	95.40	117.90	117.90	0.00	1261.00	1261.38	962.37	299.01	0.07	48	1568.83
5	67633	2818	193	95.10	124.50	124.50	0.00	1260.20	1260.55	963.24	297.31	0.00	0	1568.76
6	68397	2850	188	93.50	125.10	125.10	0.00	1259.30	1259.66	963.23	296.43	0.37	285	1568.68
7				96.50	102.10	102.10	0.00	1259.00	1259.13	960.39	298.74			1569.00
8				96.70	106.20	106.20	0.00	1258.60	1258.75	960.98	297.77			1569.25
9				99.80	127.40	127.40	0.00	1257.60	1258.06	963.12	294.94			1569.26
10				92.00	125.50	125.50	0.00	1256.60	1257.02	963.14	293.88			1569.20
11				90.20	127.80	127.80	0.00	1255.50	1256.10	962.94	293.16			1569.36
12				104.30	122.70	122.70	0.00	1254.90	1255.31	962.60	292.71			1569.09
13								1254.00
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

TOT	320096		1003
AVG	64019	2667	201	95.05	117.99	117.99	0.00	1258.73	1259.13	962.29	296.84	0.09	67	1569.02

MAX	68397			104.30	127.80	127.80	0.00	1262.70	1262.40	963.24	301.37	0.37	285	1569.36
MIN	55165			90.20	101.30	101.30	0.00	1254.00	1255.31	960.39	292.71	0.00	0	1568.68