PERMFILE61317

• Permit No: C1981010
• IBM Index Class Name: Permit File
• Doc Date: 3/9/1995
• Doc Name: Annual Hydrology Report
• Section_Exhibit Name: Appendix W 1994 Report Section 2.0 & Section 2.5
• Media Type: D
• Archive: No

•
ANNUAL HYDROLOGICAL REPORT
Section 2.1 Climatological Data for the year 1994
Trapper Mine NOOA Weather Data Summaries
Monthly Precipitation totals (1978 to present)

IPretipitationininches)
Station
0an'36-
(Dec'791 Craig
Craig 45W
(May'77-
PresenU

ercent of Means
44YR PTD % %
Year JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC SUM MEAN MEAN(1) 44 YR PTD
Fiist
Mean 0.92 0.85 1.02 1.31 1.33 7.20 0.93 1.37 7.72 7.30 D.99 7.25 13.56 13.56
PROTECT START-U P -CRAIG 45W
1978 1.53 0.96 2.34 1.40 1.26 0.30 0.88 1.00 1.11 0.75 1.72 1.41 14.66 16.48 108.1 87.2
1979 0.47 1.40 1.90 1,57 3.36 0.56 0.88 I.SO 0.72 2.69 1.05 0.47 15.97 117.8 95.0
1980 2.34 1.38 2.69 0.54 2.53 0.43 0.63 1.83 0.75 1.50 0.38 0.51 15.51 114.4 92.3
1987 0.28 0.60 2.26 0.78 3.95 1.31 1.61 0.19 7.33 4.52 0.62 0.97 18.36 135.4 109.2
1982 1.56 0.44 2.04 1.87 1.11 0.73 1.28 1.24 3.05 1.79 2.21 0.60 17.92 132.2 106.6
1983 0.58 1.20 1.80 2.93 1.59 2.98 2.44 1.71 0.69 3.07 2.63 3.35 24.97 184.1 148.5
1984 0.85 0.70 2.19 2.18 1.16 2.98 2.42 2.43 2.51 2.08 1.21 1.21 21.92 161.7 130.4
1985 1.47 1.04 1.40 2.55 0.91 1.02 1.51 0.66 1.01 3.42 2.94 0.59 18.52 136.6 110.2
1986 0.49 2.13 1.50 1.71 0.89 1.38 3.00 0.84 2.93 1.73 1.62 0.52 18.74 138.2 111.5
1987 0.82 1.40 0.96 0.98 2.42 1.18 1.35 2.11 0.33 1.00 1.16 1.18 14.89 109.8 88.6
1988 1.25 0.45 0.98 0.43 1.28 0.55 0.40 1.28 1.58 0.22 1.77 0.97 11.16 82.3 66.4
1989 0.97 2.15 1.01 0.35 0.42 0.98 1.57 1.24 1.22 0.52 0.85 0.80 12.08 89.1 71.9
1990 0.32 2.25 0.98 2.02 1.71 1.62 0.78 0.63 0.76 2.53 1.31 1.04 15.95 117.6 94.9
1991 1.09 0.28 1.70 0.80 0.35 1.52 1.24 1.03 1.47 0.83 1.74 0.82 12.87 94.9 76.6
1992 0.57 1.00 1.42 1.82 2.54 0.90 2.93 0.70 1.31 1.21 1.20 1.08 16.68 123.0 99.2
1993 1.67 1.16 1.91 3.43 1.29 0.54 0.71 1.36 1.58 3.11 1.30 0.65 18.71 138.0 111.3
1994 0.52 1.02 0.60 1,44 0.19 0.53 0.01 2.42 0.90 1.06 2.05 0.57 11.29 83.3 68.5
PTD 0.99 1.15 1.63 1.58 1.59 1.15 1.39 1.30 1.33 1.88 1.51 0.98 16.48
avg
of PTD 52.5 88.6 36.8 91.1 12.0 46.1 0.7 186.6 67.7 56.3 135.8 58.2 68.5
monthly
avg
I1) Project to date, mean precipitation
LW Wpb 1/95
tFQUHR9<1