PERMFILE47305

• Permit No: C1992080
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: APPENDIX 4-4 CLIMATOLOGY
• Media Type: D
• Archive: No

2.04.8
•

10-YEAR CLIMATOLOGICAL DATA SUNXARY (1911-1980)
Durango, Colorado
MEAN TEMPERATURE '
Year Jan Feb Nar Aer MaY June Ju1Y Auy, Sept Oct Nov Dee Ann
1971 24.3 31.4 38.6 44.7 51.1 61.6 69.2 67.2 55.9 47.1 35.9 25.2 46.0
1972 27.9 35.0 43.9 46.5 54.3 62.7 69.0 66.6 58.4 '51.2 32.5 23.2 47.6
1973 21.1 29.7 35.1 41.7 52.4 fi0.7 - 65.9 55.4 48.6 37.8 28.4 -
1974 23.6 25.4 42.1 44.7 5fi.8 fi4.0 67.2 63.5 59.3 49.2 31.2 26.1 46.5
1975 21.4 27.5 35.1 40.3 50.5 59.6 68.1 65.5 SB.5 48.4 39.1 26.5 45.0
1976 25.3 35.1 37.5 46.1 54.6 61.8 69.1 65.0 59.0 46.1 31.1 28.3 47.0
1977 20.3 33.5 34.9 48.2 52.7 66.2 69.7 69.1 62.1 49.6 38.8 31.7 48.0
1978 26.9 28.5 41.3 41.1 51.1 62.5 68.9 65.2 59.4 '51.4 38.1 20.4 46.7
1979 17.3 24.9 35.2 45.4 53.2 61.1 68.5 65:7 - 51.9 30.6 30.1 -
1980 28.2 31.3 33.2 43.6 50.3 63.8 69.7 66.7 59.8 48.1 37.6 35.3 47.3
PERIOD 23.1 30.2 37.7 44.8 52.7 62.4 68.8 66.0 58.6 49.2 36.5 27.5 46.7
YEARS 10 10 10 10 10 l0 9 !0 9 LO 10 10
PRECIPITATION

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Year Jan Feb Mar ~ ~ June J~ Auk Sept Oct Nov Dec Ann
1971 .44 .54 .07 .71 1.69 .00 1.16 4.14 2.16 2.fi3 1.46 3.35 18.35
1972 .22 T .23 .33 .19 I.55 .75 2.67 1.22 11.79 2.57 2.34 23.86
1973 1.79 .97 3.50 1.33 .69 1.25 1.61 2.60 1.53 .52 1.01 .34 17.14
1974 3.02 .17 .25 1.06 .00 .00 1.41 .85 l.ll 5.92 .34 .89 15.02
1975 1.59 1.78 3.59 2.73 1.21 .IS 1.22 .73 1.98 .35 1.I5 1.67 18.15
1976 .14 3.71 .75 .92 2.30 .D8 .787 2.08 3.14 .25 .O1 .OS 14.26
1977 1.48 .I1 .09 .53 1.01 .09 2.39 1.53 1.32 .91 1.30 .41 11.17
1978 3.19 2.68 3.12 1.38 2.99 .IB .38 1.85 1.76 1.60 3.97 4.23 27.33
1979 4.24 1.91 3.72 .65 1.72 .13 .38 2.27 .11 .89 .93 1.78 18.79
1980 6.94 4.80 1.57 .87 2.01 .00 .33 1.02 1.80 1.17 .97 .50 21.98
PERI00 2.31 1.67 1.69 1.05 1.38 .34 1.04 1.97 1.62 2.60 1.37 1.56 18.60
YEARS 10 10 10 10 10 10 30 10 !0 10 10 10
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