condition mean min max 0 h after light 2.323675 2.2328 2.41455 4 h after light 2.234245 2.19749 2.271 8 h after light 3.371335 2.20507 4.5376 4 h after dark 5.75942 4.7428 6.77604 8 h after dark 4.405635 3.68935 5.12192 12 h after dark 2.65924 2.5968 2.72168