condition mean min max 4 h after light 10.5797665 10.564067 10.595466 8 h after light 11.057698 10.525029 11.590367 12 h after light 9.856170500000001 9.148274 10.564067 4 h after dark 11.027172 10.141265 11.913079 8 h after dark 10.729328500000001 10.214403 11.244254 12 h after dark 9.852084 9.852084 9.852084