condition mean min max 4 h after light 141.9 141.9 141.9 8 h after light 132.8 106.1 159.5 12 h after light 97.10000000000001 65.4 128.8 4 h after dark 113.95 104.7 123.2 8 h after dark 204.55 135.8 273.3 12 h after dark 159.1 137.0 181.2