condition mean min max 4 h after light 101.7 101.7 101.7 8 h after light 103.15 66.3 140.0 12 h after light 85.2 70.9 99.5 4 h after dark 114.55000000000001 97.2 131.9 8 h after dark 179.1 171.0 187.2 12 h after dark 164.0 131.2 196.8