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To provide a basis for comparison of pest years precipitation date, data from SCC's <br />adjacent Seneca 11 Mine has been included in Table 2 (Appendix A). The Senses II • <br />precipitation gage recorded in 1994 the lowest annual total (13.46 inches) on record <br />(since 1981). The Seneea II Mine precipitation station is located approximately seven <br />miles northeast of the center of the Seneea [I-Y Nine. Climatic conditions are similar <br />between the two mines. Temperature, wind speed, and direction data from the Seneca II-Y <br />Mine are presented in Appendix B. <br />Data from the National Climatic Data Center for the Hayden Station was also used to <br />evaluate the precipitation trend. For Pater Teer 1994, 13.23 inches of precipitation was <br />measured, which was 3.61 inches less then the 1961-1990 average. All months (except <br />October end April) Ye re below average, with, June end July being especially low. Snowpaek <br />runoff, es estimated by totalling November through April precipitation values, was 5.89 <br />inches, Yhieh was 2.52 inches below the 1961-1990 average. This is the lowest snowpack <br />value since 1981. <br />Ground Pater <br />Voter levels. Pater levels for ell wells thst ere in the current monitoring program ere • <br />presented in Appendix C. For these wells, water levels gathered si nce 1980 ere presented. <br />In this appendix, when a well is dry, the total depth of the well is given in the "Depth <br />to Pater" column. This is to aid in the stetistieal evsluetion of water level date. <br />Hydrogrephs for each well are presented prior to the water level report for each <br />respective Vell in the same appendix. By presenting up to 15 years of date, trends <br />related to seasonal end annual variability are more clearly evident. Pater level <br />measurements ere taken with a Soil Test M-scope, or a Slope Indicator Voter Level <br />Indicator, or in the case of a few shallow alluvial wells, directly from a steel tape. <br />Site information, including sampling frequency for 199L, is presented in Table 3 (Appendix <br />A), Summary of Ground Peter Monitoring Veils. For the sske of brevity, the GY-S2Y prefix <br />that precedes most well names, will be dropped throughout this report. As an example, <br />Yell GV-S2Y-6At will he referred to as Yell ~6A1. <br />Alluvium. The alluvial monitoring Yells 6A1, 6A2, 6A3, 6A4, 7A1, and 7A2 sre located <br />along Hubberson Gulch. All wells exhibit water level seasonal variations typical for the <br />alluvium, i.e., shsllow after the spring recharge, deepening towards the fell. Su®er • <br />2 <br />