Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1982 6.3 3.6 123.6 191.5 148.7 91.9 20.5 15.6 44.3 291 196.4 147.2 1983 11.7 13.9 170.7 225.8 221.7 17.2 11 0.4 10 73 27.6 118.3 1984 73.4 0.2 202.6 368.6 131.4 47.1 20.4 1.8 6.4 52 128.4 84.4 1985 30.8 151.2 139.2 122.6 76 4.7 70.8 4.4 17.1 26.1 74.8 103.3 1986 26.8 4.5 191.6 256.5 199.9 20.6 1 18.5 15.5 59.3 154 43.4 1987 50.2 38.3 87.7 159.5 143.9 1 5.1 57.6 0.2 9 10.6 101 1988 77.5 18.3 121.9 204.3 43.4 63.6 9.4 6.2 26.4 7.2 51.1 186.4 1989 320.2 0.2 80.9 175.2 190.1 19.9 1.6 34.3 3.9 71.2 73.1 141.1 1990 48.8 173.2 268.6 104.1 75.3 3.6 4.6 3.9 19.6 55 181.8 24.2 1991 137.4 0.1 64.3 64.4 208.8 2.1 12.7 8.7 7.5 10.9 55.6 72.4 1992 3.9 74.3 99.2 350.6 148.6 28.5 18 0.1 40.3 2.6 139.5 49.9 1993 77.6 89.6 92.2 306.2 147.7 4.3 35 7 12.1 61.8 36.9 5.2 1994 2.8 131.3 243.4 285.9 101.4 40 17.6 8.6 1.8 69.6 140.5 96 1995 13.1 71.7 302.5 302.3 307.1 0 3.5 61.1 22.7 31.3 11.2 75.3 1996 111.4 25.4 367.6 202.8 217.5 1.7 3.1 1.5 0 138.4 50.4 0 1997 0.4 28.4 292.4 146.1 104.5 89.5 1.1 3.6 2.6 275.6 141.2 233.3 1998 74.1 85.4 77.8 169.3 185.8 9.3 2 1.5 32.5 71.6 67.1 1.2 1999 70.3 25.2 130.5 254.9 136.8 59.4 15.5 13.4 4.1 14.5 96.1 104.5 2000 16.7 7.4 159.4 169.9 52.6 71.9 14.6 9.7 2.3 0 175.8 121.4 2001 114.2 59.4 205.4 294.9 110 11.6 0.6 4.5 0.2 7.4 2.2 54.2 2002 103.9 60 257.3 422.6 22.9 15 23.3 64.4 21.7 72.5 69.3 145.6 2003 10.5 2.2 41.7 40.7 90.5 8.2 1.4 2.1 1.5 24.2 37.3 30.9 2004 10.4 24.2 141.7 232.5 23.9 17.5 0.5 1.5 0.8 164.7 110.5 141.2 2005 24.4 24.2 80.3 172.6 240.5 2.8 11.2 10.2 2.1 9.7 29.5 67.4 2006 72.5 19.9 181.6 316.3 160.6 92.1 14.1 15.3 10.9 51.7 139.4 266 2007 38.5 36.9 124.8 183.4 70 16.7 7.4 16.5 6.3 26.9 168.5 73.2 2008 96.3 42.8 272 340.2 32.2 3.7 2.2 12.1 7.7 93.6 118.5 48.6 2009 29.1 70.7 134.6 113.8 52.6 22.3 1.4 0.7 0 29.4 25.5 159.4 2010 40.2 54.1 70.2 255.7 141.7 10 2.1 2.3 11.4 4.6 59.4 42 2011 20 25.6 203.6 244.2 74.6 7.4 0 5 41.1 28.5 139.3 247.7 2012 7.5 30.7 121.7 210.1 103.3 7.4 1.1 11.1 0 14 112 32.5