condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0344757 0.0 0.0689514 4 h after light 0.0337342 0.0 0.0674684 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0385212 0.0 0.0770424 4 h after dark 0.0661535 0.0 0.132307 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0367357 0.0 0.0734714