condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.04641766666666666 0.0 0.278506 18 h after light 0.043179999999999996 0.0 0.25908 2 h after dark 0.022306000000000003 0.0 0.133836