condition	mean	min	max
0 h after light	14.991299999999999	13.61	16.3726
4 h after light	18.908549999999998	15.4555	22.3616
8 h after light	13.94005	10.9927	16.8874
4 h after dark	20.40925	14.0272	26.7913
8 h after dark	22.047	21.4505	22.6435
12 h after dark	16.49765	14.959	18.0363