condition mean min max 2 h after light 1.6368531666666666 0.0 5.17572 6 h after light 6.2740465 0.507252 21.0114 10 h after light 9.3877725 0.718875 30.9101 14 h after light 6.74491 1.05972 18.7697 18 h after light 5.486766666666667 1.16574 15.0242 2 h after dark 1.5089665 0.0 6.29284