Grand Coulee Dam

May 2025

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	67963	2832	91	97.80	124.20	124.20	0.00	1263.80	1264.19	962.40	301.79	3.60	2448	1567.20
2	58933	2456	96	108.80	105.10	105.10	0.00	1263.80	1263.75	960.72	303.03	4.03	2747	1566.91
3	38310	1596	95	106.10	67.70	67.70	0.00	1264.70	1264.18	957.02	307.16	8.10	5867	1566.98
4	48706	2029	101	118.20	86.30	86.30	0.00	1265.30	1265.01	959.17	305.84	8.15	5872	1566.96
5	59879	2495	93	118.20	107.20	107.20	0.00	1265.60	1265.48	961.40	304.08	8.20	5879	1567.04
6	62427	2601	137	120.50	114.80	114.80	0.00	1265.60	1265.59	961.99	303.60	8.20	5879	1567.08
7	57062	2378	146	110.30	104.50	104.50	0.00	1265.50	1265.35	961.63	303.72	6.52	4697	1567.01
8	63995	2666	144	110.10	116.00	116.00	0.00	1265.10	1265.34	961.33	304.01	8.20	5880	1566.97
9	73950	3081	143	118.10	132.60	132.60	0.00	1264.50	1264.78	963.34	301.44	8.12	5880	1566.99
10	55769	2324	145	116.90	99.60	99.60	0.00	1264.80	1264.69	960.15	304.54	8.10	5880	1567.04
11	60165	2507	141	110.70	106.90	106.90	0.00	1264.60	1264.64	961.01	303.63	8.10	5880	1567.08
12	59458	2477	137	116.60	106.70	106.70	0.00	1264.70	1264.49	961.11	303.38	8.10	5880	1567.10
13	57082	2378	140	118.40	102.90	102.90	0.00	1264.90	1264.78	960.39	304.39	8.81	6338	1567.10
14	53709	2238	138	122.80	96.90	96.90	0.00	1265.30	1265.06	960.02	305.04	9.90	7057	1567.29
15	53484	2228	139	125.90	98.10	98.10	0.00	1265.80	1265.50	960.43	305.07	10.40	7454	1567.47
16	51729	2155	152	125.70	92.20	92.20	0.00	1266.40	1266.10	959.73	306.37	11.40	8236	1567.70
17	40307	1679	158	125.50	70.80	70.80	0.00	1267.70	1266.89	957.43	309.46	11.44	8245	1568.14
18	38450	1602	151	117.20	67.60	67.60	0.00	1268.70	1268.19	956.90	311.29	11.50	8256	1568.51
19	55968	2332	162	135.50	99.10	99.10	0.00	1269.50	1269.12	959.75	309.37	7.46	5305	1568.60
20	52998	2208	158	124.70	96.10	96.10	0.00	1270.00	1269.76	959.83	309.93	9.47	6908	1568.83
21	54016	2251	160	115.00	94.30	94.20	0.10	1270.50	1270.24	959.65	310.59	4.73	3532	1568.74
22	52154	2173	154	114.00	93.50	93.50	0.00	1271.00	1270.65	959.73	310.92	3.10	2376	1568.49
23	50164	2090	156	108.20	88.40	88.40	0.00	1271.40	1271.19	959.37	311.82	3.39	2579	1568.23
24	49703	2071	164	109.70	87.40	87.30	0.10	1271.80	1271.57	959.19	312.38	9.86	7086	1568.43
25				102.00	69.30	69.20	0.10	1272.40	1272.05	957.31	314.74			1568.66
26				107.60	70.90	70.80	0.10	1273.10	1272.81	957.53	315.28			1568.89
27				123.60	113.10	113.00	0.10	1273.20	1273.25	961.29	311.96			1568.84
28				120.10	95.10	95.00	0.10	1273.70	1273.48	959.70	313.78			1568.73
29				122.00	93.60	93.50	0.10	1274.30	1274.02	959.20	314.82			1568.64
30				134.20	107.40	107.30	0.10	1274.90	1274.60	960.69	313.91			1568.49
31				127.10	89.60	89.50	0.10	1275.80	1275.29	958.99	316.30			1568.65

TOT	1316381		3301
AVG	54849	2285	138	117.15	96.71	96.68	0.03	1268.34	1268.13	959.95	308.18	7.87	5673	1567.83

MAX	73950			135.50	132.60	132.60	0.10	1275.80	1275.29	963.34	316.30	11.50	8256	1568.89
MIN	38310			97.80	67.60	67.60	0.00	1263.80	1263.75	956.90	301.44	3.10	2376	1566.91