McNary Dam & Lake Wallula

December 2023

Day of Month	Inflow kcfs	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Midnight Reservoir Elevation	Average Forebay Elevation	Average Tailwater Elevation	Average Head feet
1	107.70	115.40	110.70	0.00	338.63	338.96	266.27	72.69
2	101.50	102.50	97.80	0.00	338.54	338.62	265.60	73.02
3	89.40	100.10	95.40	0.00	337.95	338.19	264.91	73.28
4	83.50	85.00	80.30	0.00	337.92	337.93	264.25	73.68
5	78.30	72.50	67.80	0.00	338.24	337.92	263.65	74.27
6	79.20	73.50	68.80	0.00	338.51	338.35	263.60	74.75
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TOT
AVG	89.93	91.50	86.80	0.00	338.30	338.33	264.71	73.61

MAX	107.70	115.40	110.70	0.00	338.63	338.96	266.27	74.75
MIN	78.30	72.50	67.80	0.00	337.92	337.92	263.60	72.69