HYDRO21424

• Permit No: C1981019
• IBM Index Class Name: Hydrology
• Doc Date: 1/29/2007
• Doc Name: 4th Qtr 2006 DMRs & Exceedence Relief Request for Outfall 004A
• From: Rio Tinto Energy America
• To: CDOH WQCD
• Permit Index Doc Type: DMR’s
• Media Type: D
• Archive: No

Colowyo Mine -Ambient Air Network
4th Quarter Precipitation and Temperature Data
Section 34 Temperature Data
Dally Total PreelplGtlon 24 Hour Average One Hour Max One Haur Mln
(inc hes) Temperature Temperature Temperature
Date SCN16 WSTPT SCN36 GOSSARD (°Fl CFl (°Fl
10/1/2006 0.00 0.00 0.00 0.00 61.3 68.45 56.0
10/212006 0.21 0.23 0.15 59.1 66.69 48.7
10/312006 0.19 0.11 0.10 51.2 5].94 46.0
70/4/2008 0.00 0.00 0.00 58.4 68.47 44.3
10/5/2006 0.02 0.04 0.12 56.0 61.70 50.4
10/6/2006 0.71 0.83 0.45 49.7 54.52 dS.B
10!)/2006 0.49 0.35 0.34 48.4 53.13 63.2
10/812006 0.00 0.00 0.00 45.3 Sd.23 39.0
10/912006 0.43 0.36 0.29 39.9 43.89 32.6
10/10/2008 0.01 0.00 0.00 36.3 67.05 30.2
10/11/2006 0.00 0.00 0.00 44.5 52.11 382
10/12/2006 0.00 0.00 0.00 46.4 55.81 3].7
10/73/2008 0.00 0.00 0.00 51.0 61.72 41.4
7 011 4 /20 0fi 0.38 0.40 0.47 43.3 51.67 36.5
10115/2008 0.00 0.00 0.00 45.5 55.54 37.5
10/16/2006 0.35 0.25 0.31 39.] 45.32 36.0
10/1712006 0.54 0.03 0.32 28.9 34.17 20.6
10/18/2006 0.00 0.00 0.00 26.1 33.13 19.6
10H9@006 0.00 0.00 0.00 35.3 14.25 28.6
t 0120/2006 0.20 0.11 0.05 363 44.27 28.2
10/2V2006 0.06 004 0.00 29.1 34.70 22.0
10/22/2006 0.00 0.00 0.00 36.7 44.50 27.1
10/23/2006 0.00 0.00 0.00 44.1 55.83 36.]
10/24/2006 0.00 0.00 0.00 48.9 60.58 39.4
10/25/2006 0.68 0.58 0.22 36.4 47.01 25.9
10/2612006 0.35 0.27 0.18 26.3 31.42 23.0
10/27/2006 0.00 0.00 0.00 33.7 42.98 24.2
10/21112006 0.00 0.00 0.00 44.0 55.58 35.5
10/29/2006 0.00 0.00 0.00 47.3 55.67 40.5
10/3012006 0.00 0.00 0.00 43.6 50.70 33.6
10131/2008 0.00 0.00 0.00 34.3 45.88 26.3
11/1/2006 0.00 0.00 0.00 31.5 40.19 22.9
11/2/2006 0.00 0.00 0.00 40.7 50.74 31.8
11/3/2006 0.00 0.00 0.00 44.2 50.34 40.2
11/612006 0.00 0.00 0.00 40.9 46.89 36.1
11/512006 0.00 0.00 0.00 40.0 48.fi3 33.6
111612006 0.00 0.00 0.00 45.0 50.70 37.5
11/712006 0.00 0.00 0.00 51.4 59.88 65.9
111012008 0.00 0.00 0.00 56.5 64.38 dB.4
11/9/2006 0.03 0.02 0.02 62.7 5445 250
11/1012006 0.00 0.00 0.00 29.7 30.08 23.5
11/1112006 0.10 0.15 0.10 36.0 46,17 28.5
11/12/2006 0.17 0.14 0.0] 26.0 31.93 22.0
17/1312006 0.02 0.02 0.00 28.6 33.58 21.0
11/1412006 0.29 0.05 0.07 29.6 34.81 21.2
11/15/2006 0.00 0.00 0.00 26.5 34.79 18.1
11116/2006 0.00 0.00 000 37.2 45.70 29.4
11/17/2006 0.00 0.00 0.00 39.4 66.22 32.5
11HB/2006 0.00 0.00 0.00 38.2 46.17 32.2
11/19/2006 0.00 0.00 0.00 38.3 49.21 28.3
11/20/200fi 0.00 0.00 0.00 64.7 53.06 37.5
11/21/2006 0.00 0.00 0.00 47.0 55.72 42.5
11/22/200fi 0.00 0.00 0.00 48.2 56.62 43.5
11/23/2006 0.00 0.00 0.00 42.0 50.83 25.7
11/24/2006 0.00 0.00 0.00 31.3 40.84 23.1
1185/2006 0.00 0.00 0.00 37.9 44.69 33.7
11/26/2006 0.00 0.00 0.00 35.0 61.00 30.3
11/27/2006 0.05 0.02 0.00 33.1 38.10 20.2
11/28/2006 0.37 0.34 0.17 16.6 29.68 12.3
11/29/2006 0.02 0.01 0.00 5.9 10.62 1.1
17/30/2006 0.00 0.00 0.00 10.8 20.]0 -1.1
12/1/2006 0.05 O.Od 0.00 19.8 22.87 14.5
12/2/2006 0.00 0.00 0.00 70.5 16.56 59
12/3/200fi 0.00 0.00 0.00 15.1 21.]3 6.3
1214/2006 0.00 0.00 0.00 2fi.0 33.48 18.0
1215/2006 0.00 0.00 0.00 33.2 40.29 25.0
121612006 0.00 0.00 0.00 32.1 36.74 28.2
12/7/2006 0.00 0.00 0.00 30.1 35.59 256
1210/2006 0.00 0.00 0.00 34.7 39.16 18.5
11/912006 0.00 0.00 0.00 35.9 41.fi4 32.0
12/10/2006 0.00 0.00 0.00 33.0 40.19 20.7
12/11/2006 0.14 0.10 0.08 27.2 29.58 24.7
12/1212006 0.00 0.00 0.00 28.2 3254 22.5
11/1312006 0.00 0.00 0.00 33.3 3].55 28.6
12/1412006 0.00 0.00 0.00 38.5 45.64 33.6
1211512006 0.00 0.00 0.00 40.8 40.00 36.6
12/1612006 0.06 0.05 0.02 20.0 38.04 14.0
12/17@006 0.22 0.21 0.17 16.9 18.86 12.3
12/18/2006
11/1912006
11/2012006
11/21/200fi
11/22/2006
12@3/2006- __
12/24/2008
12/25/2006
12/26/2006
12/2]/2006
12/28/2006
12/29/2006
12/30/2006
12/31/2006
Total 0.00 6.22 4.95 3.66 Average 36.8 44.5 29.9