PERMFILE106580

• Permit No: C1994082
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: TAB 08 CLIMATOLOGICAL INFORMATION
• Media Type: D
• Archive: No

• Table 8-7
Normal Monthly Precipitation and Temperature
for Hayden, Colorado
Month Precipitation (in) Temperature (°F)
January 1.54 17.0
February 1.18 21.1
March 1.19 28.7
April 7.49 41.4
May 1.31 51.4
June 1.20 59.7
July 1.14 66.3
August 7.46 64.0
September 1.15 55.7
October 1.36 44.9
November 1.28 31.7
December 1.60 20.2
Annual 15.90 47.8
Years of Record 74 68
•
Table 8-2
Seneca II-W Mine Temperatures (Fahrenheit)

Month Daily
Avg Daily
Maz Daily
Min Inferred
Range
January 21.2 36.2 10.0 26.2
February 22.9 36.8 11.5 25.4
March 32.1 44.2 20.9 23.3
April 38.9 52.1 25.7 26.5
May 48.3 62.1 33.8 28.2
June 55.7 71.6 3e.4 33.2
July 62.3 78.6 45.7 32.8
August 61.9 78.6 45.7 32.8
September 52.3 67.9 37.5 30.4
October 40.5 54.5 2e.2 26.2
November 28.3 40.5 17.6 23.0
December 22.7 34.4 11.8 22.6

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