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of 6.89 inches of the yearly precipitation, with an estimated average of 29 days of such <br />• during any one period of evaluation. The wettest months within the time frame are <br />generally July, August and September. Typical storm intensity, as described by the reports, <br />runs in the hundredths of inches to the mid and high tenths of inches. Lows were recorded <br />at .Ol inches, while extremes in rainfall were recorded at 2.0 inches. The 2.0 inch rainfall <br />recorded over a 24-hour period occurred two times in the 11-year time frame. The average <br />]ow and high over the same time frame is .OS inches to .72 inches of precipitation. The <br />yearly amount of precipitation received at the mine site can be expected to range from 15 <br />inches to 20 inches. Of the precipitation received, one may expect 15-45% to occur as <br />rainfall, with the majority of such occurring during the early summer/spring (May) and the <br />late summer (August and September). The remainder of such precipitation is received in <br />the form of snow. <br />The average relative humidity for the sample period is 34%. The average low was estimated <br />at 23%, while the average high was recorded at 52%. The average maximum temperature <br />for the period was estimated at 73°F. The average minimum temperature was recorded at <br />43°F. Recorded extremes range from a low of -24°F to a high of 91°F. Within any particular <br />sample year, one may expect temperatures below 32°F to occur. May, early June and <br />September are the predominant months within the sample period when such temperatures <br />may be expected. <br />Average wind velocities for the 11-year time frame were estimated at 5.41 MPH. Variances <br />in wind velocity were recorded from 0 to gust of 18 MPH. Wind direction is predominately <br />• from the west and southwest with minor winds from the northwest as well as from the north, <br />east and south to a very limited extent. <br />2.04.9 Soils Resource Information <br />The descriptions of the soils presented herein are based upon information generated by soil <br />survey conducted by the U. S. Department of Agriculture Soil Conservation Service (SCS) <br />and more recent soil analysis performed during the month of September, 1980. Information <br />generated by the SCS was reviewed and taken into consideration during the site specific <br />sampling program. The results of each compliment the other in the formulation and <br />evaluation of acceptable baseline soil information. There are two basic soil types found <br />within the permit area. They are delineated on the Soils Map (Map 5) and described <br />further below. <br />The SCS information is of a general nature. It basically describes the soils found within the <br />permit area as Carracas loam and Nunn loam. Though located within the permit area, the <br />latter of the two soils will receive only a minor degree of disturbance. The Carracas loam <br />is the primary soil type located within the permit area where disturbance has occurred due <br />to coal removal and surface facilities operations. <br />• 2.04-27 <br />