condition mean min max 4 h after light 0.01005985 0.0 0.0201197 8 h after light 0.0 0.0 0.0 12 h after light 0.00949265 0.0 0.0189853 4 h after dark 0.0042208 0.0 0.0126624 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0