ADDITIONAL WEATHER INFORMATION Average Air Temperature: 15.8 degrees C 288.9 K Precipitation: 171.9 cm/y Humidity: 9.62 g/m3 Lid Height: 800.5 meters Surface Roughness Height: 0.010 meters Height of Wind Measurements: 10.0 meters Average Wind Speed: 2.070 m/s Stability - Sigma Phi Average: STABILITY A 22.90 (Day) STABILITY B 13.60 (Day) STABILITY C 11.20 (Day) STABILITY D 11.70 (Day/Night) STABILITY E 8.10 (Night) STABILITY F 6.40 (Night) STABILITY G 4.10 (Night)