condition mean min max 4 h after light 4.24731 3.66347 4.83115 8 h after light 3.0153 2.50156 3.52904 12 h after light 3.909455 3.78088 4.03803 4 h after dark 4.467226666666667 4.09216 5.1898 8 h after dark 5.024116666666667 4.78382 5.33198 12 h after dark 5.884073333333333 4.55607 6.92541