condition mean min max 0 h after light 0.2874565 0.0 0.574913 2 h after light 0.0 0.0 0.0 4 h after light 0.185562 0.0 0.371124 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0