condition mean min max 0 h after light 2.5822950000000002 2.39159 2.773 4 h after light 4.256595 3.69873 4.81446 8 h after light 3.60349 3.35115 3.85583 4 h after dark 4.481505 3.8096 5.15341 8 h after dark 4.28064 4.09534 4.46594 12 h after dark 3.0919600000000003 2.81469 3.36923