Forecast quantiles of monthly hydrology variables for Lake Michigan Outlooks start on May 3, 2018 Actual or modeled data used for days prior to outlook start. YYYY/MM 5% 10% 20% 30% 50% 70% 80% 90% 95% Total Basin Runoff to Lake (mm) 2018/ 5 47.18 47.92 49.93 55.69 58.38 71.69 72.49 79.82 81.81 2018/ 6 30.86 31.77 37.07 37.99 44.98 59.62 61.22 63.31 65.50 2018/ 7 24.72 26.50 27.27 28.40 31.26 41.93 44.93 49.31 55.07 2018/ 8 28.06 28.16 28.45 28.56 30.10 32.28 34.66 36.82 38.35 2018/ 9 24.67 24.84 27.12 28.35 37.57 41.42 44.46 50.72 51.52 2018/10 21.68 22.11 35.67 38.51 44.79 61.13 65.51 70.75 70.85 2018/11 28.72 29.60 37.29 41.27 49.89 64.21 70.19 77.02 81.52 2018/12 34.49 34.92 38.67 45.43 51.37 62.95 70.11 76.02 78.26 2019/ 1 32.97 33.94 34.46 39.35 48.15 54.46 59.74 67.37 80.68 2019/ 2 28.85 28.85 37.83 47.29 49.82 51.11 52.09 54.59 55.04 Total Over-Lake Precipitation (mm) 2018/ 5 41.43 47.90 56.91 75.93 81.37 116.62 120.19 123.95 128.64 2018/ 6 49.02 57.40 57.51 63.44 81.39 110.51 116.47 137.34 155.07 2018/ 7 47.89 54.10 64.45 75.11 79.38 98.98 102.95 112.99 127.20 2018/ 8 63.45 67.40 68.63 76.15 84.21 102.75 114.63 132.01 135.41 2018/ 9 38.88 50.97 67.04 73.90 91.04 114.88 120.92 123.18 132.43 2018/10 24.38 24.92 36.70 51.87 61.09 102.67 110.82 121.67 128.54 2018/11 28.09 30.48 55.96 56.94 61.78 80.14 80.96 105.04 119.31 2018/12 33.58 34.64 37.04 47.37 58.45 62.77 71.93 81.42 86.12 2019/ 1 14.98 22.10 26.80 27.99 31.08 57.74 62.13 69.61 71.12 2019/ 2 6.94 9.14 17.73 18.66 29.93 37.10 49.94 57.58 58.42 Total Lake Evaporation (mm) 2018/ 5 -3.31 -0.69 1.82 2.64 4.26 6.51 7.04 12.09 16.79 2018/ 6 5.01 5.69 7.02 9.14 11.69 17.40 18.08 21.92 25.41 2018/ 7 7.54 15.00 19.45 22.06 29.40 38.44 38.51 44.97 45.11 2018/ 8 18.77 25.42 27.42 39.76 51.18 53.59 64.06 65.70 66.78 2018/ 9 46.75 47.28 52.41 56.77 66.12 83.87 84.40 89.47 89.79 2018/10 43.51 44.76 59.51 71.07 83.59 89.91 93.88 107.37 109.74 2018/11 47.34 50.68 64.93 85.36 94.19 99.22 103.48 118.93 135.91 2018/12 84.12 93.61 102.05 103.41 127.88 135.69 137.72 149.12 149.54 2019/ 1 65.16 65.62 67.76 78.83 88.86 99.32 106.63 107.67 107.83 2019/ 2 36.27 36.39 39.16 40.42 52.53 57.87 71.55 78.14 80.67 Total Net Basin Supply to Lake (mm) 2018/ 5 72.69 85.27 102.69 127.51 134.06 177.81 192.41 201.44 202.31 2018/ 6 48.68 78.27 83.30 87.90 117.95 146.98 164.80 196.56 208.66 2018/ 7 36.82 37.67 48.67 71.70 94.73 105.77 107.39 134.63 168.31 2018/ 8 30.43 31.02 39.62 45.91 69.36 93.98 105.34 138.61 148.84 2018/ 9 -13.44 0.71 30.99 35.13 54.67 78.17 98.74 109.90 129.80 2018/10 -13.06 0.61 1.84 7.84 20.83 84.65 91.40 98.88 110.22 2018/11 -26.76 -15.90 -10.52 7.10 24.33 43.05 61.78 68.16 109.20 2018/12 -82.11 -79.78 -42.45 -40.68 -11.60 4.81 27.45 48.30 69.12 2019/ 1 -45.29 -30.52 -24.59 -18.76 -4.66 34.08 38.59 53.60 56.67 2019/ 2 -14.50 -13.61 -11.87 12.09 21.40 37.79 47.00 57.78 62.34 Average Over-Land Air Temperature (C) 2018/ 5 11.07 11.93 12.32 12.47 13.08 14.16 14.49 15.19 16.26 2018/ 6 15.17 15.92 17.35 17.72 17.95 18.92 19.07 20.19 20.20 2018/ 7 17.69 17.71 19.36 19.90 20.66 20.99 21.24 22.07 22.11 2018/ 8 17.21 17.90 18.35 18.56 19.46 20.06 20.71 21.23 22.50 2018/ 9 14.06 14.20 14.22 14.45 15.01 15.68 16.08 16.36 16.90 2018/10 6.62 6.73 7.07 8.11 8.85 10.55 10.78 13.50 13.82 2018/11 -1.95 0.25 1.71 2.03 2.48 4.28 4.91 5.13 5.99 2018/12 -9.50 -9.46 -7.94 -6.01 -4.91 -1.77 -0.75 -0.41 -0.38 2019/ 1 -8.83 -8.60 -8.33 -7.39 -5.07 -4.56 -4.18 -3.29 -2.78 2019/ 2 -9.53 -9.26 -7.33 -6.67 -5.21 -4.92 -3.66 -2.38 -2.35 Average Lake Surface Temperature (C) 2018/ 5 6.14 6.14 6.30 6.30 6.61 6.97 7.05 7.07 7.08 2018/ 6 12.38 12.53 13.22 13.40 13.74 14.04 14.07 14.89 15.00 2018/ 7 15.73 16.99 17.54 17.74 18.45 19.19 19.30 20.12 20.17 2018/ 8 17.32 18.08 18.81 19.24 19.51 20.43 20.70 21.15 21.52 2018/ 9 15.36 15.61 16.47 16.53 16.90 17.07 17.32 17.76 17.85 2018/10 11.09 11.27 11.34 11.41 11.54 12.02 12.71 13.83 13.88 2018/11 7.37 7.40 7.75 8.04 8.44 8.60 8.86 9.52 9.52 2018/12 4.62 5.43 5.53 5.80 5.98 6.22 6.29 6.54 7.02 2019/ 1 0.22 0.87 1.20 2.19 2.81 3.86 4.59 5.02 5.16 2019/ 2 0.00 0.00 0.00 0.13 0.33 0.52 1.00 2.56 3.40 Average Over-Lake Air Temperature (C) 2018/ 5 8.37 8.43 8.63 8.98 9.00 9.62 9.70 9.73 9.81 2018/ 6 13.08 13.71 14.46 14.59 15.24 15.34 15.92 15.92 16.53 2018/ 7 16.57 17.73 18.32 18.73 18.97 19.77 20.13 20.64 20.82 2018/ 8 17.79 18.56 19.04 19.41 19.79 20.95 21.08 21.47 21.54 2018/ 9 15.42 15.71 16.05 16.13 16.58 17.12 17.26 17.60 17.73 2018/10 9.61 9.84 10.06 10.32 11.02 11.80 11.88 13.78 13.89 2018/11 2.91 3.78 5.09 5.42 5.69 6.60 7.07 7.71 7.91 2018/12 -2.95 -2.67 -2.52 -0.53 0.63 1.95 2.90 3.27 3.31 2019/ 1 -4.65 -4.08 -3.75 -3.17 -1.55 -0.80 0.29 0.65 1.14 2019/ 2 -5.21 -5.11 -3.97 -3.16 -2.67 -1.87 -1.56 0.68 1.08 Average Over-Lake Vapor Pressure (mb) 2018/ 5 8.29 8.57 8.96 8.96 9.05 9.84 10.18 10.25 10.43 2018/ 6 12.27 12.60 14.02 14.23 14.54 14.83 14.83 15.01 15.56 2018/ 7 15.61 16.60 17.58 17.92 18.37 18.81 18.83 19.78 20.41 2018/ 8 15.93 17.66 17.96 18.16 18.63 20.29 20.70 21.29 22.30 2018/ 9 13.42 13.80 14.55 14.58 14.96 15.75 15.91 16.34 16.37 2018/10 8.60 8.93 9.19 9.51 10.09 10.56 10.76 11.73 12.10 2018/11 5.08 5.80 6.25 6.39 6.81 7.35 7.52 7.62 8.19 2018/12 3.48 3.53 3.57 4.17 4.38 5.14 5.67 5.83 5.90 2019/ 1 3.28 3.32 3.49 3.50 4.00 4.30 4.47 4.81 4.83 2019/ 2 2.94 2.97 3.16 3.53 3.69 3.92 4.24 4.68 4.75 Average Over-Lake Wind Speed (m/s) 2018/ 5 4.37 4.47 4.57 4.63 4.65 4.86 4.95 5.03 5.03 2018/ 6 4.18 4.25 4.34 4.35 4.60 4.72 4.75 4.97 5.06 2018/ 7 4.31 4.37 4.51 4.56 4.74 4.80 4.83 4.94 4.95 2018/ 8 4.69 4.71 4.86 5.05 5.07 5.18 5.33 5.42 5.59 2018/ 9 5.06 5.33 5.37 5.46 6.13 6.24 6.36 6.53 6.76 2018/10 4.81 4.94 5.72 6.53 6.94 7.37 7.42 7.60 7.68 2018/11 6.15 6.56 6.90 7.12 7.55 7.73 7.78 8.38 8.52 2018/12 7.43 7.58 7.64 7.68 7.81 8.26 8.27 8.47 8.50 2019/ 1 6.63 6.74 7.21 7.55 7.74 7.98 8.06 8.24 8.43 2019/ 2 6.20 6.45 6.63 6.79 7.39 7.51 8.01 8.15 8.20 Average Over-Lake Cloud Cover (%) 2018/ 5 38.81 39.85 46.25 47.16 47.57 53.93 57.20 60.57 64.94 2018/ 6 26.36 30.90 34.54 36.94 46.73 50.09 53.46 55.32 60.70 2018/ 7 24.40 26.15 29.94 32.95 40.32 48.96 54.40 54.61 57.10 2018/ 8 32.44 32.90 36.09 39.29 42.56 52.29 56.80 58.69 62.93 2018/ 9 35.40 37.03 40.17 44.18 49.17 51.53 51.88 55.73 60.56 2018/10 38.16 38.26 42.87 50.08 54.58 60.15 60.35 70.95 71.93 2018/11 49.25 51.43 59.88 66.11 67.89 73.92 76.06 86.03 87.72 2018/12 64.65 64.65 66.29 66.51 75.14 79.55 81.38 81.85 82.33 2019/ 1 61.00 62.84 62.98 68.24 73.08 76.81 80.31 80.55 80.63 2019/ 2 54.19 55.61 58.16 60.99 65.79 73.05 74.51 75.26 76.19 Average Lake Surface Incident SW Radiation (w/m2) 2018/ 5 192.27 208.50 215.41 224.36 238.30 240.18 241.44 255.78 259.37 2018/ 6 216.71 229.33 234.24 242.26 250.29 272.55 274.30 287.48 294.13 2018/ 7 214.28 220.35 222.49 234.36 254.22 270.02 277.55 280.65 283.88 2018/ 8 169.60 185.18 189.19 197.35 217.73 223.75 229.79 236.21 237.82 2018/ 9 146.22 155.04 158.19 160.64 165.84 171.75 178.54 185.99 186.94 2018/10 90.20 95.93 107.96 108.39 114.67 119.96 127.30 133.73 134.79 2018/11 50.76 52.70 62.17 62.94 68.42 70.03 74.03 80.81 82.04 2018/12 44.94 46.21 46.38 47.62 50.71 55.98 56.45 57.04 57.35 2019/ 1 54.11 54.74 55.24 57.46 61.41 64.29 68.83 68.90 69.68 2019/ 2 85.48 85.69 86.25 89.98 97.02 102.45 105.20 106.17 106.89 Average Lake Surface Reflection (w/m2) 2018/ 5 -25.98 -25.73 -24.19 -24.05 -23.96 -22.47 -21.74 -20.99 -19.95 2018/ 6 -29.97 -28.88 -28.02 -27.45 -25.12 -24.32 -23.50 -23.07 -21.79 2018/ 7 -29.10 -28.70 -27.86 -27.15 -25.47 -23.52 -22.27 -22.20 -21.61 2018/ 8 -23.85 -23.78 -23.16 -22.42 -21.79 -19.85 -18.98 -18.60 -17.75 2018/ 9 -18.87 -18.72 -17.87 -17.28 -16.66 -16.12 -16.01 -15.54 -14.64 2018/10 -13.59 -13.59 -12.89 -12.11 -11.50 -10.86 -10.81 -9.69 -9.48 2018/11 -8.46 -8.31 -7.49 -7.01 -6.89 -6.32 -6.24 -5.36 -5.20 2018/12 -5.77 -5.77 -5.67 -5.64 -5.09 -4.79 -4.67 -4.63 -4.60 2019/ 1 -7.40 -7.27 -7.02 -6.95 -6.39 -6.04 -5.90 -5.75 -5.59 2019/ 2 -19.26 -17.89 -16.42 -15.02 -10.83 -9.87 -9.49 -8.61 -8.57 Average Lake Surface Net Long Wave Radiation (w/m2) 2018/ 5 -65.66 -64.66 -61.93 -55.73 -55.13 -53.45 -53.04 -51.42 -44.51 2018/ 6 -60.15 -56.29 -54.02 -50.49 -49.65 -47.41 -42.89 -42.31 -42.16 2018/ 7 -51.21 -49.78 -47.24 -47.14 -44.49 -37.93 -35.96 -34.08 -33.99 2018/ 8 -52.65 -50.07 -48.43 -46.82 -44.06 -41.58 -35.81 -27.96 -22.45 2018/ 9 -62.33 -62.15 -60.07 -59.36 -58.17 -52.16 -50.28 -49.38 -48.99 2018/10 -78.19 -76.25 -75.02 -72.11 -69.49 -68.58 -65.77 -64.01 -61.48 2018/11 -90.77 -87.87 -84.68 -84.56 -80.26 -79.21 -78.73 -75.97 -73.26 2018/12 -121.42 -119.56 -114.04 -100.99 -99.91 -91.40 -90.68 -87.10 -86.12 2019/ 1 -102.56 -101.74 -98.28 -97.25 -96.12 -94.49 -93.51 -92.50 -89.91 2019/ 2 -104.16 -103.80 -95.75 -94.16 -92.51 -88.60 -84.28 -82.24 -79.89 Average Lake Surface Latent Heat Flux (w/m2) 2018/ 5 -16.32 -12.23 -6.90 -6.09 -4.19 -2.49 -2.18 0.23 1.95 2018/ 6 -28.40 -22.16 -17.52 -16.80 -11.41 -9.33 -7.39 -5.46 -4.86 2018/ 7 -43.46 -42.17 -35.73 -35.33 -26.96 -20.41 -17.92 -14.43 -9.01 2018/ 8 -62.06 -60.49 -60.37 -49.22 -47.61 -36.45 -25.49 -24.52 -21.14 2018/ 9 -85.81 -85.55 -81.48 -80.02 -63.37 -55.75 -51.67 -47.19 -45.42 2018/10 -103.42 -101.82 -88.05 -83.19 -77.98 -67.42 -56.09 -45.86 -43.73 2018/11 -132.33 -116.60 -99.46 -97.23 -91.05 -84.87 -68.37 -54.90 -51.65 2018/12 -142.96 -140.05 -129.17 -126.62 -120.34 -95.99 -95.95 -87.91 -80.07 2019/ 1 -101.31 -100.47 -99.95 -93.14 -84.05 -76.40 -65.47 -61.78 -61.48 2019/ 2 -88.21 -85.29 -75.73 -63.17 -55.09 -42.09 -41.18 -39.04 -38.40 Average Lake Surface Sensible Heat Flux (w/m2) 2018/ 5 4.97 6.51 6.94 7.24 7.50 8.19 8.41 8.56 8.56 2018/ 6 1.52 2.18 2.66 3.25 4.48 5.05 5.16 5.89 5.92 2018/ 7 0.35 0.46 1.00 1.23 2.69 3.76 4.44 4.53 5.29 2018/ 8 -3.67 -3.63 -2.00 -0.97 -0.17 1.09 1.78 3.23 3.78 2018/ 9 -9.32 -9.20 -7.57 -7.30 -6.48 -3.97 -2.03 -1.04 -1.00 2018/10 -24.64 -23.58 -17.76 -16.29 -13.28 -8.39 -6.57 -3.42 -3.34 2018/11 -64.43 -51.13 -44.13 -40.89 -34.18 -25.28 -23.43 -9.88 -8.93 2018/12 -127.50 -124.88 -111.22 -93.62 -84.47 -56.44 -52.31 -48.62 -46.79 2019/ 1 -88.75 -87.97 -80.65 -69.37 -66.86 -58.09 -51.56 -50.51 -48.98 2019/ 2 -92.93 -64.74 -51.35 -45.63 -41.62 -35.39 -28.15 -25.29 -20.30 Average Lake Surface Net Surface Flux (w/m2) 2018/ 5 137.67 140.17 144.15 147.59 158.27 166.61 166.79 168.06 168.15 2018/ 6 134.03 139.86 153.85 158.44 171.56 189.26 189.74 190.40 192.98 2018/ 7 132.79 136.56 148.68 149.42 161.69 164.15 165.20 168.79 184.51 2018/ 8 79.36 79.67 82.88 98.76 102.61 114.31 120.06 121.88 122.30 2018/ 9 -15.44 1.09 2.16 3.52 25.53 32.98 45.43 47.32 49.96 2018/10 -110.78 -104.73 -88.59 -71.86 -60.65 -42.54 -19.57 5.48 8.12 2018/11 -244.70 -208.84 -170.61 -164.72 -148.54 -121.21 -108.08 -68.61 -62.30 2018/12 -337.90 -333.27 -309.24 -278.03 -267.97 -197.32 -193.15 -173.33 -171.18 2019/ 1 -237.57 -237.49 -215.64 -209.54 -185.20 -174.07 -170.43 -148.33 -146.28 2019/ 2 -203.83 -149.38 -131.36 -122.59 -99.17 -94.71 -77.17 -66.13 -62.70 Average Lake-Ice Surface Temperature (C) 2018/ 5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/ 6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/ 7 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/ 8 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/ 9 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/10 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/11 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/12 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2019/ 1 -4.28 -1.59 -1.42 -1.13 0.00 0.00 0.00 0.00 0.00 2019/ 2 -5.76 -5.55 -4.25 -3.98 -1.63 -0.77 0.00 0.00 0.00 Average Lake Ice Cover (%) 2018/ 5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/ 6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/ 7 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/ 8 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/ 9 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/10 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/11 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/12 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2019/ 1 0.00 0.00 0.00 0.00 0.00 1.43 1.62 2.24 8.22 2019/ 2 0.00 0.00 0.00 0.08 2.13 13.18 16.30 19.49 34.90 End-of-Month Lake Heat Storage (cal/10e17) 2018/ 5 231.95 232.89 234.36 235.63 239.58 242.66 242.73 243.20 243.23 2018/ 6 283.90 285.90 290.64 296.32 302.72 304.46 310.00 310.71 310.89 2018/ 7 335.13 343.90 351.74 352.53 359.53 364.73 370.73 373.45 379.71 2018/ 8 371.65 377.09 386.47 390.11 396.69 403.89 413.14 415.47 416.76 2018/ 9 382.34 388.49 392.29 399.74 405.07 408.83 413.42 416.67 421.18 2018/10 362.59 367.88 373.58 375.03 380.54 387.40 398.00 406.10 407.81 2018/11 287.64 297.33 316.99 319.93 336.62 345.12 354.09 355.81 366.69 2018/12 185.35 214.51 222.77 223.24 232.96 252.43 260.06 284.54 292.10 2019/ 1 139.02 148.23 149.26 158.06 164.73 172.45 199.23 206.77 219.82 2019/ 2 121.49 121.85 125.08 127.44 132.32 145.08 153.80 182.45 187.37 End-of-Month Basin Soil Moisture (cm) 2018/ 5 1.95 2.04 2.28 2.62 3.03 3.74 4.26 4.41 4.58 2018/ 6 0.71 0.93 0.98 1.50 1.64 2.16 2.55 3.42 3.77 2018/ 7 0.47 0.49 0.68 0.84 1.05 1.37 1.41 1.45 1.81 2018/ 8 0.42 0.87 0.88 1.00 1.15 1.43 1.76 1.90 1.90 2018/ 9 1.65 1.67 1.81 1.84 2.22 2.59 2.75 3.20 3.68 2018/10 1.18 1.25 1.55 2.39 3.40 4.63 4.82 5.06 6.45 2018/11 2.76 2.81 3.57 3.68 4.71 5.29 5.32 5.86 6.44 2018/12 2.26 2.27 2.28 3.12 3.51 4.54 5.29 6.71 6.78 2019/ 1 2.88 2.92 3.12 3.72 4.20 4.54 4.99 5.86 6.00 2019/ 2 1.92 2.20 3.15 3.62 4.15 4.87 5.09 5.52 5.71 End-of-Month Basin Groundwater Moisture (cm) 2018/ 5 5.05 5.08 5.15 5.22 5.31 5.39 5.49 5.58 5.69 2018/ 6 4.62 4.64 4.81 4.83 4.99 5.13 5.17 5.34 5.37 2018/ 7 4.26 4.40 4.42 4.43 4.59 4.63 4.69 4.89 4.90 2018/ 8 4.10 4.10 4.15 4.16 4.27 4.40 4.40 4.46 4.55 2018/ 9 3.94 3.96 3.98 4.09 4.21 4.33 4.34 4.42 4.49 2018/10 3.74 3.75 4.20 4.26 4.40 4.69 4.91 5.19 5.23 2018/11 3.89 3.97 4.52 4.68 4.97 5.19 5.23 5.56 5.66 2018/12 4.06 4.07 4.59 4.81 5.22 5.48 5.71 5.91 6.12 2019/ 1 4.21 4.23 4.46 5.13 5.51 5.70 5.89 6.10 6.23 2019/ 2 4.12 4.17 5.20 5.30 5.55 5.76 5.86 6.03 6.04 End-of-Month Basin Surface Moisture (cm) 2018/ 5 0.52 0.52 0.53 0.63 0.75 0.96 1.08 1.09 1.10 2018/ 6 0.30 0.35 0.36 0.38 0.47 0.50 0.62 0.72 1.31 2018/ 7 0.22 0.25 0.27 0.29 0.33 0.40 0.42 0.48 0.63 2018/ 8 0.24 0.24 0.25 0.27 0.37 0.40 0.50 0.55 0.55 2018/ 9 0.33 0.34 0.38 0.40 0.49 0.59 0.62 0.69 0.71 2018/10 0.20 0.21 0.32 0.41 0.51 0.80 0.85 1.10 1.34 2018/11 0.43 0.46 0.47 0.63 0.76 0.87 0.89 1.12 1.29 2018/12 0.28 0.29 0.33 0.43 0.54 0.80 0.94 0.95 0.98 2019/ 1 0.36 0.37 0.49 0.51 0.55 0.64 0.77 1.02 1.06 2019/ 2 0.29 0.29 0.41 0.51 0.61 0.71 0.73 0.97 1.04 End-of-Month Basin Snow Pack (cm) 2018/ 5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/ 6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/ 7 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/ 8 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/ 9 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/10 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2018/11 0.01 0.01 0.03 0.10 0.45 0.56 0.74 0.93 1.78 2018/12 0.26 0.83 1.60 1.62 2.33 4.19 5.07 6.02 6.33 2019/ 1 1.33 1.37 1.99 2.15 3.52 4.40 5.80 6.29 6.97 2019/ 2 0.86 1.15 1.64 2.32 4.50 5.43 5.96 6.21 6.76 End-of-Month Basin Total Moisture (cm) 2018/ 5 7.54 7.72 8.08 8.39 9.43 10.25 10.59 11.17 11.20 2018/ 6 5.74 5.98 6.11 6.48 7.23 7.47 8.33 9.45 11.14 2018/ 7 5.07 5.15 5.59 5.62 5.91 6.30 6.56 6.73 7.04 2018/ 8 5.15 5.16 5.30 5.49 5.77 6.36 6.44 6.66 6.73 2018/ 9 5.91 5.99 6.20 6.37 7.13 7.46 7.49 8.22 8.78 2018/10 5.17 5.22 6.18 7.00 8.56 10.05 10.09 11.45 12.49 2018/11 7.18 7.38 8.71 9.99 11.08 11.83 12.05 12.94 13.19 2018/12 8.93 8.96 11.34 12.08 13.64 13.85 14.03 14.76 15.80 2019/ 1 9.41 9.67 11.09 12.34 13.75 14.97 16.77 17.13 18.59 2019/ 2 9.19 9.30 11.91 13.02 14.25 16.39 17.07 17.35 17.45 End-of-Month Lake Level (meters, IGLD85) 2018/ 5 176.85 176.87 176.88 176.91 176.92 176.96 176.97 176.97 176.97 2018/ 6 176.86 176.91 176.95 176.96 176.98 177.04 177.05 177.06 177.07 2018/ 7 176.91 176.92 176.94 176.98 177.00 177.01 177.07 177.09 177.12 2018/ 8 176.89 176.92 176.93 176.96 176.99 177.03 177.07 177.09 177.10 2018/ 9 176.85 176.86 176.89 176.93 176.98 177.03 177.07 177.09 177.11 2018/10 176.79 176.79 176.85 176.91 176.95 177.00 177.04 177.06 177.08 2018/11 176.72 176.72 176.78 176.87 176.91 176.98 176.98 177.02 177.07 2018/12 176.57 176.58 176.76 176.79 176.83 176.92 176.97 176.99 177.00 2019/ 1 176.49 176.51 176.68 176.70 176.81 176.89 176.92 176.94 176.95 2019/ 2 176.44 176.45 176.67 176.71 176.76 176.87 176.90 176.92 176.93 Average Lake Level (meters, IGLD85) 2018/ 5 176.82 176.83 176.83 176.84 176.85 176.87 176.87 176.88 176.88 2018/ 6 176.86 176.91 176.92 176.94 176.95 176.98 177.01 177.02 177.03 2018/ 7 176.90 176.91 176.95 176.97 176.98 177.02 177.06 177.08 177.10 2018/ 8 176.90 176.92 176.94 176.97 177.00 177.02 177.08 177.09 177.11 2018/ 9 176.85 176.89 176.92 176.94 176.98 177.03 177.08 177.10 177.11 2018/10 176.82 176.82 176.87 176.92 176.96 177.01 177.03 177.09 177.10 2018/11 176.74 176.74 176.83 176.87 176.94 176.99 177.01 177.02 177.10 2018/12 176.64 176.65 176.77 176.84 176.86 176.94 176.98 177.01 177.03 2019/ 1 176.52 176.53 176.70 176.72 176.79 176.89 176.94 176.95 176.97 2019/ 2 176.47 176.48 176.67 176.69 176.77 176.89 176.90 176.93 176.94 Average Inflow (cms) 2018/ 5 2319. 2320. 2320. 2320. 2320. 2321. 2321. 2321. 2322. 2018/ 6 2177. 2201. 2260. 2322. 2382. 2471. 2472. 2474. 2619. 2018/ 7 2202. 2285. 2364. 2379. 2483. 2597. 2720. 2831. 2836. 2018/ 8 2220. 2286. 2321. 2391. 2480. 2672. 2680. 2842. 3374. 2018/ 9 1976. 2141. 2190. 2274. 2358. 3130. 3134. 3143. 3166. 2018/10 1811. 2080. 2091. 2150. 2251. 2685. 2839. 2860. 2862. 2018/11 1559. 1884. 2029. 2089. 2130. 2485. 2491. 2496. 2498. 2018/12 1559. 1736. 1979. 2133. 2199. 2321. 2389. 2390. 2391. 2019/ 1 1559. 1636. 1791. 1836. 2100. 2307. 2390. 2390. 2391. 2019/ 2 1557. 1705. 1911. 2039. 2128. 2179. 2379. 2380. 2382. Average Outflow (cms) 2018/ 5 5840. 5854. 5867. 5877. 5886. 5903. 5906. 5909. 5914. 2018/ 6 5968. 6021. 6024. 6040. 6083. 6104. 6117. 6154. 6157. 2018/ 7 6026. 6077. 6124. 6137. 6156. 6185. 6223. 6228. 6295. 2018/ 8 6040. 6103. 6165. 6175. 6213. 6233. 6280. 6282. 6312. 2018/ 9 6050. 6096. 6121. 6161. 6238. 6275. 6305. 6332. 6370. 2018/10 6037. 6096. 6128. 6132. 6190. 6258. 6311. 6330. 6377. 2018/11 5979. 6007. 6013. 6036. 6183. 6228. 6287. 6289. 6320. 2018/12 5742. 5774. 5804. 5841. 6006. 6037. 6081. 6142. 6151. 2019/ 1 5147. 5154. 5290. 5341. 5435. 5467. 5521. 5635. 5636. 2019/ 2 5173. 5174. 5342. 5357. 5395. 5517. 5568. 5593. 5647. Average Total Basin Supply (cms) 2018/ 5 8708. 9314. 10384. 11326. 11664. 13712. 13770. 13872. 13993. 2018/ 6 6328. 7278. 7674. 8031. 8928. 9882. 10919. 11897. 11916. 2018/ 7 4096. 4378. 5954. 6196. 7186. 7407. 7719. 8300. 8590. 2018/ 8 3983. 4881. 4935. 5387. 5872. 6306. 6842. 7285. 7297. 2018/ 9 2780. 2798. 3820. 4383. 5580. 6447. 7424. 8194. 8572. 2018/10 2450. 2468. 2882. 2958. 4332. 6375. 7093. 7198. 7637. 2018/11 1917. 2017. 2718. 3021. 4133. 5637. 6121. 6153. 8191. 2018/12 -357. -297. 1408. 1640. 2752. 4105. 4157. 5413. 5936. 2019/ 1 968. 1775. 2511. 2585. 2684. 3940. 4977. 5506. 5596. 2019/ 2 1307. 2068. 2246. 2843. 4591. 5201. 5845. 5920. 7242.