Grand Coulee Daily Forebay Elevation in Feet for Water Year 2021 Day Oct Nov Dec Jan Feb Mar 01 1283.89 1285.52 1280.30 1286.71 1280.59 1275.91 02 1283.75 1285.54 1280.21 1287.16 1280.43 1275.92 03 1283.90 1285.43 1279.91 1287.29 1280.24 1275.63 04 1284.19 1285.30 1279.50 1287.25 1279.85 1275.14 05 1284.18 1285.28 1279.10 1287.46 1279.76 1274.79 06 1284.19 1285.28 1279.24 1287.48 1280.27 1274.66 07 1284.08 1285.37 1279.34 1287.08 1280.67 1274.63 08 1284.13 1285.26 1279.55 1287.75 1280.56 1274.37 09 1284.43 1285.08 1279.82 1286.38 1280.35 1273.98 10 1284.53 1284.65 1279.30 1286.19 1279.92 1273.71 11 1284.56 1284.21 1279.47 1286.03 1279.63 1273.21 12 1284.64 1283.60 1279.19 1285.78 1278.86 1272.90 13 1284.53 1283.35 1279.30 1285.51 1278.01 1273.10 14 1284.81 1283.24 1279.47 1285.35 1277.12 1273.14 15 1284.74 1283.13 1280.05 1284.88 1276.34 1273.19 16 1284.57 1282.97 1280.68 1284.53 1275.77 1272.64 17 1284.98 1282.79 1281.27 1284.32 1275.41 1272.10 18 1285.18 1282.39 1281.63 1284.13 1274.63 1271.65 19 1285.27 1281.81 1281.79 1283.77 1273.92 1271.73 20 1285.38 1280.96 1281.90 1283.41 1274.06 1272.30 21 1285.53 1280.31 1282.17 1282.95 1274.79 1272.69 22 1285.25 1280.10 1282.93 1282.54 1275.20 1272.69 23 1284.76 1280.09 1283.53 1282.03 1275.99 1272.63 24 1284.68 1279.89 1283.85 1281.69 1276.17 1272.54 25 1284.75 1279.77 1284.18 1281.26 1276.05 1272.41 26 1284.55 1279.92 1284.68 1281.05 1275.91 1272.19 27 1284.19 1280.03 1285.17 1280.60 1275.87 1272.29 28 1284.31 1280.26 1285.15 1280.26 1276.02 1272.47 29 1284.84 1280.33 1285.31 1280.13 1272.10 30 1285.33 1280.35 1285.61 1280.18 1271.46 31 1285.56 1286.09 1280.46 1271.02 Day Apr May Jun Jul Aug Sep 01 1270.76 1269.40 1281.47 1286.38 1285.95 1276.46 02 1270.64 1269.98 1282.01 1286.20 1286.06 1275.81 03 1270.49 1270.03 1282.72 1286.28 1286.18 1275.49 04 1270.54 1269.69 1283.32 1286.56 1286.34 1275.31 05 1270.01 1269.51 1283.94 1286.69 1286.50 1275.26 06 1270.12 1269.70 1284.67 1287.00 1286.60 1274.96 07 1270.07 1269.94 1285.17 1287.31 1286.33 1274.82 08 1269.94 1270.25 1285.66 1287.81 1286.28 1275.14 09 1269.85 1270.49 1286.29 1288.36 1286.65 1275.62 10 1270.02 1270.40 1286.58 1288.85 1286.96 1275.91 11 1270.16 1270.12 1286.65 1289.26 1286.76 1276.03 12 1270.03 1269.71 1287.01 1289.43 1286.36 1276.29 13 1270.00 1269.24 1287.42 1289.23 1286.06 1276.81 14 1270.06 1268.94 1287.56 1289.10 1286.03 1277.31 15 1269.72 1269.17 1287.66 1288.95 1285.74 1277.74 16 1269.46 1269.80 1288.26 1288.83 1285.31 1278.04 17 1269.37 1270.77 1288.53 1288.66 1285.13 1278.40 18 1269.57 1271.80 1288.25 1288.53 1284.64 1278.92 19 1269.75 1273.05 1287.93 1288.37 1284.08 1279.34 20 1269.74 1273.90 1288.19 1288.30 1283.60 1279.74 21 1269.46 1274.52 1288.27 1288.20 1282.80 1280.06 22 1269.31 1274.92 1288.58 1288.03 1282.02 1280.28 23 1269.24 1275.56 1288.71 1287.65 1281.53 1280.82 24 1269.16 1276.69 1288.52 1287.17 1281.20 1281.13 25 1269.31 1277.34 1288.02 1286.79 1280.65 1281.57 26 1269.34 1277.88 1287.76 1286.60 1279.84 1281.84 27 1269.32 1278.22 1287.54 1286.47 1279.28 1282.07 28 1269.15 1278.85 1287.16 1285.83 1278.82 ---- 29 1268.97 1279.36 1286.88 1286.42 1278.21 ---- 30 1269.14 1280.35 1286.70 1286.17 1277.93 ---- 31 1281.13 1285.97 1277.41