condition mean min max 3 h after light 1.709039 0.989647 2.53973 6 h after light 2.29642 1.02469 2.98237 9 h after light 2.05693 1.775 2.61718 12 h after light 1.79933 1.50326 2.04786 3 h after dark 2.11893 1.5099 3.07961 6 h after dark 2.09133 1.67436 2.44162 9 h after dark 0.951802 0.64421 1.37734 12 h after dark 0.5090155000000001 0.429439 0.588592