condition	mean	min	max
4 h after light	16.05035	14.9942	17.1065
8 h after light	15.12965	13.9255	16.3338
12 h after light	21.17185	20.2477	22.096
4 h after dark	27.7653	26.6503	29.6314
8 h after dark	29.073533333333334	26.1764	31.9136
12 h after dark	22.14656666666667	21.3225	23.316