condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.780883 0.436726 1.12504 2 h after dark 0.172275 0.0 0.34455 4 h after dark 0.352114 0.0 0.704228 8 h after dark 0.503682 0.456302 0.551062 12 h after dark 0.0 0.0 0.0