2010-02-25_REPORT - C1981028 (6)

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Table 5. Yearly and Growing Season Precipitation at the Keenesburg Mine (1993-2009) Station: Keenesburg Mine Year Jan Feb Mar Apr May Jun Jul Au Se Oct Nov Dec Total Jan-Jul Sep-Jul 1993 1.00 0.05 0.05 2.37 1.20 3.00 0.38 0.20 1.90 1.20 0.80 0.00 12.15 8.05 1994 0.40 0.21 0.17 1.24 0.59 0.45 1.01 1.49 0.99 1.70 0.60 0.33 9.18 4.07 7.97 1995 0.13 0.30 0.57 2.49 4.53 4.55 0.58 0.47 1.07 0.30 0.21 0.04 15.24 13.15 16.77 1996 0.32 0.29 0.77 0.20 2.44 2.40 2.25 0.52 2.22 0.67 0.35 0.00 12.43 8.67 10.29 1997 0.70 0.58 0.46 1.18 1.17 1.32 1.06 3.51 0.68 1.17 0.84 0.39 13.06 6.47 9.71 1998 0.14 0.20 0.67 1.34 2.33 2.53 1.09 2.03 0.08 1.95 0.44 0.51 13.31 8.30 11.38 1999 0.49 0.00 0.12 4.62 3.13 1.29 2.02 3.16 2.12 0.13 0.40 0.06 17.54 11.67 14.65 2000 0.05 0.00 1.35 0.55 2.64 0.78 1.62 0.90 1.42 0.21 1.10 0.31 10.93 6.99 9.70 2001 0.61 0.45 0.73 2.41 4.12 1.40 2.92 0.83 0.84 0.51 0.76 0.07 15.65 12.64 15.68 2002 0.55 0.00 0.68 0.30 1.0.9 1.22 0.49 1.15 0.91 1.00 0.38 0.05 7.77 4.28 6.46 2003 0.00 0.50 2.77 1.93 3.12 1.57 0.35 1.18 0.00 0.10 0.30 0.45 12.27 10.24 12.58 2004 0.50 0.41 0.04 1.69 1.25 1.55 0.56 0.89 1.31 0.96 0.73 0.00 9.89 6.00 6.85 2005 0.23 0.10 0.46 2.25 1.45 2.78 0.51 1.12 0.20 3.01 0.72 0.31 13.14 7.78 10.78 2006 0.07 0.00 0.67 0.52 0.21 0.16 2.12 0.95 0.45 1.60 0.45 3.42 10.62 3.75 7.99 2007 0.79 0.07 0.40 1.58 4.48 0.30 1.44 3.68 0.57 0.53 0.30 1.08 15.22 9.06 14.98 2008 0.00 0.16 0.43 1.03 1.74 1.66 0.56 6.30 1.06 0.63 0.19 0.61 14.37 5.58 8.06 2009 0.07 0.02 0.62 3.51 1.81 2.02 3.17 1].22 13.71 Mean 0.40 0.21 0.66 1.64 2.25 1.69 1.23 1.47 0.98 1.00 0.56 0.47 12.67 7.92 11.10 Data Source: Coors Energy Company % from % from ave. year Se -Jul -27.6 -28.2 20.3 51.1 -1.9 -7.3 3.1 -12.5 5.0 2.5 38.4 32.0 -13.8 -12.6 23.5 41.3 -38.7 -41.8 -1.5 13.4 -21.9 -38.3 3.7 -2.8 -16.2 -28.0 20.1 35.0 13.4 -27.4 23.5 Coors Energy Company Keenesburg Mine Page 24 2009 Revegetation Monitoring Report;