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Mareb 2005 Hayden Guleh Loadout - 2004 Annual HyArolagy Ref~arl ~ Poge 2 <br />Z.0 METEOROLOGICAL DATA <br />No meteorological data is collected at the Loadout. However, a National Weather Service <br />meteorological station is located in Hayden, Colorado, approximately 1,5 miles north of the Loadout. <br />The Hayden station (ID: 053867) has a monthly climatic period of record from 1931 through 2004. <br />Precipitation falls throughout the yeaz with the most significant precipitation occurring as rain during <br />the spring and fall months. The annual normal precipitation for Hayden is 16.4 inches <br />(www.wrcc.dri.edu, 2005). The normal value is based on averages for the period 1948 - 2004. The <br />annual precipitation recorded during 2004 was 13.4 inches. However, according to the Western <br />Regional Climate Center's database, the annual value is provisional -there was no precipitation <br />recorded for September and December. The monthly precipitation was above average for Febmary, <br />April, October and November, normal for August and below average for the remaining months. The <br />average snowfall in Hayden, Colorado is 113.9 inches. <br />The average mean annual temperature at Hayden is 42.8 degrees Faluenheit (°F). The average <br />minimum temperature for the period 1948 - 2004 is 27.6°F and the average maximum temperature is <br />57.9°F. The mean annual temperature during 2004 was 44.6°F, which is above the long-term average. <br />The average minimum and maximum temperatures in 2004 were 30.9°F and 58.3°F, respectively, <br />which axe also both above their respective long-term values. <br />Hydro-Environmental Solutions, Inc. <br />57 10~A Street, Suite B * P.O. Box 772996 <br />Steamboat Sp>iugg CO 80477 <br />(970) 846-5112 <br />