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TR-34 to Permit M-1977-342 <br /> Environmental Protection Plan <br /> 13. CLIMATE <br /> Information regarding climate was developed during the planning and early construction phases <br /> of the Henderson Project. This data is found in Section 3.1 of the Reclamation Permit. A more <br /> detailed description of baseline climatic data in the vicinity ofthe Mine and Mill, based on records <br /> from stations located near these facilities, is described below. <br /> The climate in the Henderson Mine and Mill area includes long, snowy, cold winters and short, <br /> cool summers. Snow is possible throughout the year, with the heaviest snowfall occurring <br /> between the months of November and April. <br /> Recent climatic data for the vicinity of the Mine, Mill and URAD WTP were obtained from <br /> meteorological monitoring stations located onsite. Appendix D provides a summary of the data <br /> and includes: <br /> • Precipitation data for the Mine for the most recent five-year period and monthly <br /> precipitation for the wettest year on record (2017); <br /> • Precipitation data for the Mill for the most recent five-year period and monthly <br /> precipitation for the wettest year on record (1936). Note that the 1936 data was collected <br /> at the Williams Fork Dam WRCC meteorological station (#059096); <br /> • Temperature data for the Mine, Mill and URAD including the monthly mean, maximum <br /> and minimum for the most recent five-year period; and <br /> • Wind data for the Mine, Mill and URAD including annual and monthly average wind speed <br /> and direction. Generally, winds exhibit typical mountain flow patterns, and vary <br /> significantly from location to location because of the rugged topography. <br /> Climax Molybdenum Company August,2021 <br /> Henderson Operations Page 38 of 45 <br />