condition	mean	min	max
4 h after light	19.9360815	17.897284	21.974879
8 h after light	14.5871875	13.988528	15.185847
12 h after light	43.784134	34.783521	52.784747
4 h after dark	14.287881500000001	13.653941	14.921822
8 h after dark	63.7232305	44.506882	82.939579
12 h after dark	30.259444	30.259444	30.259444