condition mean min max 4 h after light 1.290765 1.0886 1.49293 8 h after light 0.9917594999999999 0.888079 1.09544 12 h after light 1.22064 1.18901 1.25227 4 h after dark 1.2468650000000001 1.23835 1.25538 8 h after dark 1.335325 1.13156 1.53909 12 h after dark 1.6819000000000002 1.66318 1.70062