condition	mean	min	max
4 h after light	23.2004575	19.045454	27.355461
8 h after light	20.045533	19.498195	20.592871
12 h after light	17.181525999999998	16.874857	17.488195
4 h after dark	17.2162885	16.798749	17.633828
8 h after dark	15.92915	15.370326	16.487974
12 h after dark	33.259227	33.259227	33.259227