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II. PRECIPITATION DATA <br /> Precipitation data for the environs of the Nucla Mine from January <br /> 1980 through September 1986 are presented in Table 1. Average <br /> annual precipitation is approximately 14 inches. Except for 1980, <br /> precipitation for the period-of-record has been above normal , <br /> especially during 1983, 1984, and 1985 when average annual <br /> precipitation was exceeded by at least four inches. However, <br /> because these data are collected at stations more than ten miles <br /> away (Norwood and Uravan) from the Nucla Mine and are thus not <br /> site-specific, it is important that these data should only be used <br /> to assess regional precipitation trends. <br /> 3 <br />