condition	mean	min	max
0 h after light	14.536950000000001	13.9312	15.1427
4 h after light	12.13005	11.2018	13.0583
8 h after light	16.1626	13.4885	18.8367
4 h after dark	19.56675	19.4055	19.728
8 h after dark	19.17265	18.8667	19.4786
12 h after dark	16.58185	14.8283	18.3354