ADDITIONAL WEATHER INFORMATION Average Air Temperature: 15.5 degrees C 288.6 K Precipitation: 127.6 cm/y Humidity: 10.3 g/cu m Lid Height: 696.0 meters Surface Roughness Height: 0.010 meters Height of Wind Measurements: 20.0 meters Average Wind Speed: 1.838 m/s Stability - Sigma Phi Average: STABILITY A 27.270 K/m STABILITY B 20.430 K/m STABILITY C 16.454 K/m STABILITY D 13.628 K/m STABILITY E 10.258 K/m STABILITY F 7.521 K/m STABILITY G 4.886 K/m