condition	mean	min	max
0 h after light	19.874650000000003	19.7389	20.0104
4 h after light	16.88655	15.077	18.6961
8 h after light	13.7072	11.9407	15.4737
4 h after dark	21.0531	19.2763	22.8299
8 h after dark	19.634149999999998	18.7345	20.5338
12 h after dark	17.2382	17.1251	17.3513