condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.125246 0.0 0.250492 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.5134 0.0 1.0268 2 h after dark 0.8124840000000001 0.235988 1.38898 4 h after dark 0.2028065 0.0 0.405613 8 h after dark 0.4435665 0.0 0.887133 12 h after dark 0.625192 0.219814 1.03057