condition mean min max 0 h after light 5.6759900000000005 5.37329 5.97869 2 h after light 4.643435 4.44052 4.84635 4 h after light 3.9853050000000003 3.954 4.01661 8 h after light 4.197005 4.12529 4.26872 12 h after light 6.48285 5.97906 6.98664 2 h after dark 5.75622 5.09411 6.41833 4 h after dark 6.062605 5.31304 6.81217 8 h after dark 6.618755 6.13579 7.10172 12 h after dark 5.818045 5.40558 6.23051