condition mean min max 4 h after light 157.6 157.6 157.6 8 h after light 228.65 205.4 251.9 12 h after light 364.65 353.3 376.0 4 h after dark 643.3 481.7 804.9 8 h after dark 728.8 656.0 801.6 12 h after dark 737.1500000000001 517.7 956.6