condition mean min max 4 h after light 145.6 145.6 145.6 8 h after light 81.2 68.0 94.4 12 h after light 94.30000000000001 74.9 113.7 4 h after dark 122.95 86.4 159.5 8 h after dark 97.85 81.5 114.2 12 h after dark 110.69999999999999 92.7 128.7