condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.00706375 0.0 0.0141275 12 h after light 0.00848995 0.0 0.0169799 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0