condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.020369400000000003 0.0 0.0605214 3 h after dark 0.030459566666666667 0.0 0.0653884 6 h after dark 0.02966126666666667 0.0 0.0517938 9 h after dark 0.0142547 0.0 0.0236703 12 h after dark 0.02289035 0.0200415 0.0257392