condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.01181455 0.0 0.0236291 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0