2011-02-28_REPORT - C1981028 ‎(5)‎

• Permit No: C1981028
• IBM Index Class Name: Report
• Doc Date: 2/28/2011
• Doc Name: 2010 Annual Hydrology & Reclamation Report
• From: Coors Energy Company
• To: DRMS
• Annual Report Year: 2010
• Permit Index Doc Type: Hydrology Report
• Email Name: RDZ
• Media Type: D
• Archive: No

•

Table 4. Yearly and Growing Season Precipitation at the Keenesburg Mine (1993-2010)
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 1.04 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 0.65 1.07 1.92 0.75 0.89 16.50 11.22 13.71
2010 0.17 0.34 0.89 2.69 2.28 2.13 1.52 10.02 14.65
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 8.22 11.31
Data Source: Coors Energy Company
/o from /o from
ave. ear Sep-Jul
-27.6 -29.5
20.3 48.3
-1.9 -9.0
3.1 -14.1
38.4 29.6
-13.8 -14.2
23.5 38.7
-38.7 -42.9
-1.5 11.3
-21.9 -39.4
3.7 -4.6
-16.2 -29.3
20.1 32.5
13.4 -28.7
30.2 21.3
29.6
Coors Energy Company Keeneshrg Mine Page 21
2010 Revegetation Monitoring Report