condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.00829275 0.0 0.0165855 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0041148 0.0 0.0123444 12 h after dark 0.0 0.0 0.0