condition mean min max 0 h after light 0.6659435 0.602366 0.729521 2 h after light 5.322395 4.98757 5.65722 4 h after light 8.40493 6.86407 9.94579 8 h after light 12.543854999999999 7.59161 17.4961 12 h after light 16.58855 15.5568 17.6203 2 h after dark 10.791855 8.60451 12.9792 4 h after dark 4.760865 4.41451 5.10722 8 h after dark 1.81791 1.18567 2.45015 12 h after dark 1.0264095 0.927579 1.12524