Cycle 23 Sunspot Number Prediction (January 2000) Year Mon 95% 50% 5% 1997 1 33.7 9.7 0.0 1997 2 35.7 11.7 0.0 1997 3 38.0 14.0 0.0 1997 4 40.7 16.7 0.0 1997 5 43.7 19.7 0.0 1997 6 47.0 23.0 0.0 1997 7 50.5 26.5 2.5 1997 8 54.3 30.3 6.3 1997 9 58.3 34.3 10.3 1997 10 62.6 38.6 14.6 1997 11 66.9 42.9 18.9 1997 12 71.4 47.4 23.4 1998 1 76.0 52.0 28.0 1998 2 80.6 56.6 32.6 1998 3 85.3 61.3 37.3 1998 4 90.0 66.0 42.0 1998 5 94.6 70.6 46.6 1998 6 99.3 75.3 51.3 1998 7 103.8 79.8 55.8 1998 8 108.3 84.3 60.3 1998 9 112.7 88.7 64.7 1998 10 116.9 92.9 68.9 1998 11 121.0 97.0 73.0 1998 12 125.0 101.0 77.0 1999 1 128.7 104.7 80.7 1999 2 132.3 108.3 84.3 1999 3 135.7 111.7 87.7 1999 4 139.0 115.0 91.0 1999 5 141.9 117.9 93.9 1999 6 144.7 120.7 96.7 1999 7 147.3 123.3 99.3 1999 8 149.6 125.6 101.6 1999 9 151.7 127.7 103.7 1999 10 153.6 129.6 105.6 1999 11 155.3 131.3 107.3 1999 12 156.7 132.7 108.7 2000 1 157.9 133.9 109.9 2000 2 158.8 134.8 110.8 2000 3 159.5 135.5 111.5 2000 4 160.0 136.0 112.0 2000 5 160.3 136.3 112.3 2000 6 160.4 136.4 112.4 2000 7 160.2 136.2 112.2 2000 8 159.9 135.9 111.9 2000 9 159.3 135.3 111.3 2000 10 158.6 134.6 110.6 2000 11 157.6 133.6 109.6 2000 12 156.5 132.5 108.5 2001 1 155.2 131.2 107.2 2001 2 153.8 129.8 105.8 2001 3 152.1 128.1 104.1 2001 4 150.4 126.4 102.4 2001 5 148.5 124.5 100.5 2001 6 146.4 122.4 98.4 2001 7 144.3 120.3 96.3 2001 8 142.0 118.0 94.0 2001 9 139.6 115.6 91.6 2001 10 137.1 113.1 89.1 2001 11 134.6 110.6 86.6 2001 12 132.0 108.0 84.0 2002 1 129.2 105.2 81.2 2002 2 126.5 102.5 78.5 2002 3 123.7 99.7 75.7 2002 4 120.8 96.8 72.8 2002 5 117.9 93.9 69.9 2002 6 115.0 91.0 67.0 2002 7 112.1 88.1 64.1 2002 8 109.2 85.2 61.2 2002 9 106.2 82.2 58.2 2002 10 103.3 79.3 55.3 2002 11 100.4 76.4 52.4 2002 12 97.5 73.5 49.5 2003 1 94.6 70.6 46.6 2003 2 91.8 67.8 43.8 2003 3 89.0 65.0 41.0 2003 4 86.2 62.2 38.2 2003 5 83.5 59.5 35.5 2003 6 80.9 56.9 32.9 2003 7 78.3 54.3 30.3 2003 8 75.7 51.7 27.7 2003 9 73.2 49.2 25.2 2003 10 70.8 46.8 22.8 2003 11 68.5 44.5 20.5 2003 12 66.2 42.2 18.2 2004 1 64.0 40.0 16.0 2004 2 61.9 37.9 13.9 2004 3 59.8 35.8 11.8 2004 4 57.8 33.8 9.8 2004 5 55.9 31.9 7.9 2004 6 54.0 30.0 6.0 2004 7 52.3 28.3 4.3 2004 8 50.6 26.6 2.6 2004 9 49.0 25.0 1.0 2004 10 47.4 23.4 0.0 2004 11 45.9 21.9 0.0 2004 12 44.5 20.5 0.0 2005 1 43.2 19.2 0.0 2005 2 41.9 17.9 0.0 2005 3 40.7 16.7 0.0 2005 4 39.6 15.6 0.0 2005 5 38.5 14.5 0.0 2005 6 37.5 13.5 0.0 2005 7 36.5 12.5 0.0 2005 8 35.6 11.6 0.0 2005 9 34.8 10.8 0.0 2005 10 34.0 10.0 0.0 2005 11 33.2 9.2 0.0 2005 12 32.5 8.5 0.0 2006 1 31.9 7.9 0.0 2006 2 31.2 7.2 0.0 2006 3 30.7 6.7 0.0 2006 4 30.1 6.1 0.0 2006 5 29.6 5.6 0.0 2006 6 29.2 5.2 0.0 2006 7 28.7 4.7 0.0 2006 8 28.3 4.3 0.0 2006 9 28.0 4.0 0.0 2006 10 27.6 3.6 0.0 2006 11 27.3 3.3 0.0 2006 12 27.0 3.0 0.0