condition	mean	min	max
4 h after light	21.759700000000002	18.6237	24.8957
8 h after light	9.869115	9.76481	9.97342
12 h after light	8.334845	7.44362	9.22607
4 h after dark	10.750186666666666	9.93986	11.3847
8 h after dark	13.259033333333333	12.2852	14.185
12 h after dark	19.993633333333335	17.4552	22.3322