PERMFILE102397

• Permit No: C1981010A
• IBM Index Class Name: Permit File
• Doc Date: 6/30/2003
• Doc Name: pages 2-1 to 2-57d
• Section_Exhibit Name: 2.0 Environmental Resources - 2.1 Climatology & 2.2 Air Quality
• Media Type: D
• Archive: Yes

Table 2.1-16. Average minimm temperatures (°F) for Craig, Colorado, fr® 1951 [0 1973
based on National Weather Service records. (1)(2)
Year Month Annual
Jan Feb Mar Apr May Jun Jul Aug Sep Ctt Nov Dec
1951 .1 11.5 17.9 27.0 35.SM 39.2 48.3 48.1 34.1 29.5 13.OM 5.8K 25.9td
1952 -1.3 -.SM 11.6M 28.5 37.OM 43.5 46.4 46.9M 38.0 22.8 8.8 4.3 23.8M
1953 11.8 7.2 19.4 23.SM 31.5 42.2 50.0 46.8 36.7 28.0 21.1 4.6 26.9M
1954 11.5 15.3 17.7 27.5 35.9 40.5 51.4 45.2 41.2 28.0 18.5 4.4 28.1
1955 -1.1 -2.6 8.9 23.3 32.8 40.0 49.1 50.9 38.4 27.0 12.3 13.7 24.4
1956 12.5 ~.7 13.3 28.1 36.5 43.0 46.6 44.2 35.3 26.5 8.3 .7 24.2
1957 -.3 4.8 17.4 28.8 36.1 42.8 49.2 48.8 33.9 30.4 15.3 7.3 26.6
1958 1.0 18.3 17.7 24.7 37.5 42.6 44.9 47.5 38.3 23.5 14.1 14.8 27.1
1959 4.9 11.9 18.6 26.2 34.7 45.1 46.9 47.8 38.3 28.2 17.0 10.1 27.5
1960 7.2 1.9 14.4 28.9 34.2 42.9 49.0 45.4 42.0 30.0 18.1 6.0 27.1
1961 .4 15.0 20.4 7B.3 37.7 45.7 50.6 52.2 37.6 7B.6 16.5 5.2 28.2
1962 ~i.0 13.6 11.9 31.5 37.7 44.3 47.5 44.7 36.SM 28.7 21.4 8.2 26.7ri
1963 -1.5 18.4 17.5 27.8 37.7 42.6 50.4 51.5 43.1 33.0 19.6 4.7 28.7
1964 -.7 -1.0 7.4 28.9 36.0 42.6 50.8 46.7 37.8 26.8 16.0 9.1 25.0
1965 8.9 4.9 5.9 30.3 35.9 42.Z 49.5 46.2 35.9 27.1 24.5 11.1 26.9
1966 2.7 6.8 18.1 25.0 35.9 42.3 51.4 47.2 41.5 27.2 23.2 5.9 27.3
1967 10.9 9.6 73.3 28.8 34.5 43.6 49.7 48.6 40.5 28.6 15.7 2.0 28.0
1968 -1.9 10.4 17.1 24.2 34.5 41.8 49.4 45.6 35.1 28.8 14.2 6.5 25.5
1969 13.6 9.6 10.5 31.0 39.3 42.9 50.7 50.1 43.1 27.4 16.6 11.1 28.8
1970 9.2 14.1 19.2 24.5 35.4 43.7 49.4 49.5 36.6 24.6 23.8 10.6 28.4
1971 12.0 9.6 16.5 28.5 35.5 42.6 49.4 50.9 34.6 27.6 19.7 5.3 27.7
1972 8.7 14.2 25.9 29.3 35.4 46.7 48.2 49.2 40.9 35.3 20.2 .1 29.5
1973 -~.2 1.4 18.7 26.3 35.1 42.4 49.7 49.9 38.6 29.8 17.5 5.9 25.9
Sun Aver~e(2) Sun Average (2)
Jan 98.4 4.28 Jul ]128.5 49.07
Feb 19v.7 8.47 Aug 1103.9 48.00
Mar 374.3 16.27 Sep 878.0 38.17
Apr 630.9 27.43 Oct 647.4 28.15
May 822.6 35.77 Nov 395.4 17.19
Jun 985.2 42.84 Dec 157.4 6.84
Annual 618.2 26.88

(1) E = amount is drolly or partly estima[erl.
T = [race, ai amamt too small to measure.
M =one or ~rore days of record missing; if average value is altered, less than 10 daya
record is missing.
D = water equivalent of snowfall wholly or partially estimated.
(2) Based on 23 years record.
2-51