condition mean min max 4 h after light 146.0 146.0 146.0 8 h after light 178.8 164.2 193.4 12 h after light 198.3 159.4 237.2 4 h after dark 263.1 228.5 297.7 8 h after dark 262.25 245.7 278.8 12 h after dark 207.85000000000002 201.9 213.8