condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.068874 0.0 0.206622 12 h after light 0.011316833333333333 0.0 0.0339505 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