condition	mean	min	max
0 h after light	15.08825	14.7627	15.4138
4 h after light	20.125700000000002	19.7581	20.4933
8 h after light	27.735799999999998	26.9332	28.5384
4 h after dark	22.7162	22.1688	23.2636
8 h after dark	22.0908	21.2802	22.9014
12 h after dark	13.8125	12.541	15.084