condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0403278 0.0 0.0806556 4 h after light 0.0394604 0.0 0.0789208 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.04144445 0.0 0.0828889 4 h after dark 0.0386915 0.0 0.077383 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0