condition	mean	min	max
4 h after light	21.432136	21.287292	21.57698
8 h after light	21.1542515	18.607043	23.70146
12 h after light	22.6537485	20.300723	25.006774
4 h after dark	19.509505	17.190987	21.828023
8 h after dark	22.0996115	19.833378	24.365845
12 h after dark	19.498195	19.498195	19.498195