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	55946	2331	190	96.50	102.10	102.10	0.00	1259.00	1259.13	960.39	298.74	4.40	3384	1569.00
8	55112	2296	181	96.70	106.20	106.20	0.00	1258.60	1258.75	960.98	297.77	4.40	3243	1569.25
9	69273	2886	192	99.80	127.40	127.40	0.00	1257.60	1258.06	963.12	294.94	1.07	826	1569.26
10	67690	2820	185	92.00	125.50	125.50	0.00	1256.60	1257.02	963.14	293.88	0.00	0	1569.20
11	68712	2863	189	90.20	127.80	127.80	0.00	1255.50	1256.10	962.94	293.16	0.00	0	1569.36
12				104.30	122.70	122.70	0.00	1254.90	1255.31	962.60	292.71			1569.09
13				105.50	138.70	138.70	0.00	1254.00	1254.41	964.26	290.15			1569.10
14				97.50	111.70	111.70	0.00	1253.60	1253.67	961.44	292.23			1569.09
15				101.80	119.00	119.00	0.00	1252.90	1253.24	961.73	291.51			1569.25
16				102.30	108.60	108.60	0.00	1252.80	1252.78	961.56	291.22			1569.30
17				103.40	106.10	106.10	0.00	1252.70	1252.73	961.35	291.38			1569.31
18				103.40	104.40	104.40	0.00	1252.62	1252.69	961.12	291.57			1569.24
19								1252.20
20
21
22
23
24
25
26
27
28
29
30
31

TOT	636829		1940
AVG	63683	2653	194	97.62	116.85	116.85	0.00	1256.86	1257.06	962.16	294.90	1.03	779	1569.09

MAX	69273			105.50	138.70	138.70	0.00	1262.70	1262.40	964.26	301.37	4.40	3384	1569.36
MIN	55112			90.20	101.30	101.30	0.00	1252.20	1252.69	960.39	290.15	0.00	0	1568.68