condition	mean	min	max
0 h after light	12.20075	11.4964	12.9051
4 h after light	4.24367	4.17563	4.31171
8 h after light	4.08128	3.81345	4.34911
4 h after dark	4.306475	4.20045	4.4125
8 h after dark	5.914045	5.02385	6.80424
12 h after dark	7.88392	5.61594	10.1519