condition	mean	min	max
4 h after light	14.911550000000002	13.7628	16.0603
8 h after light	11.60915	11.3363	11.882
12 h after light	16.174	15.0114	17.3366
4 h after dark	23.7905	23.3783	24.2027
8 h after dark	27.8473	26.9467	28.7479
12 h after dark	23.51005	23.1544	23.8657