condition	mean	min	max
4 h after light	16.758786999999998	15.448115	18.069459
8 h after light	15.619084999999998	14.497717	16.740453
12 h after light	19.9303205	19.676711	20.18393
4 h after dark	15.5035135	12.937568	18.069459
8 h after dark	16.113684499999998	13.845395	18.381974
12 h after dark	23.564866	23.564866	23.564866