condition mean min max 3 h after light 2.7307525 1.96042 3.50508 7 h after light 2.829555 1.36139 5.31453 11 h after light 2.39339 1.4587 3.56674 2 h after dark 2.3588808333333335 1.5261 4.01919 6 h after dark 2.455205 1.19916 4.10033 10 h after dark 2.6653853333333335 0.868834 4.33312