condition mean min max 4 h after light 3.3808350000000003 3.16284 3.59883 8 h after light 3.215535 2.74915 3.68192 12 h after light 3.5184100000000003 3.374 3.66282 4 h after dark 4.028205 3.69884 4.35757 8 h after dark 5.167135 4.76849 5.56578 12 h after dark 4.294625 3.86095 4.7283