ADDITIONAL WEATHER INFORMATION Average Air Temperature: 15.0 degrees C 288.2 K Precipitation: 145.5 cm/y Humidity: 9.60 g/m3 Lid Height: 881.2 meters Surface Roughness Height: 0.010 meters Height of Wind Measurements: 10.0 meters Average Wind Speed: 1.868 m/s Stability - Sigma Phi Average: STABILITY A 21.30 (Day) STABILITY B 14.70 (Day) STABILITY C 11.34 (Day) STABILITY D 11.52 (Day/Night Combined) STABILITY E 8.13 (Night) STABILITY F 6.42 (Night) STABILITY G 3.96 (Night)