condition mean min max 0 h after light 0.757865 0.0 1.51573 2 h after light 0.0 0.0 0.0 4 h after light 0.385024 0.0 0.770048 8 h after light 0.779705 0.0 1.55941 12 h after light 0.0 0.0 0.0 2 h after dark 0.424151 0.0 0.848302 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.389011 0.0 0.778022