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 0.029026966666666668 0.0 0.0870809 12 h after light 0.015392466666666667 0.0 0.0461774 3 h after dark 0.0 0.0 0.0 6 h after dark 0.022400133333333332 0.0 0.0672004 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0