condition	mean	min	max
4 h after light	15.30285	14.9397	15.666
8 h after light	19.7014	17.1991	22.2037
12 h after light	21.40235	19.3401	23.4646
4 h after dark	28.102333333333334	24.5928	30.8402
8 h after dark	26.2488	25.3138	27.9004
12 h after dark	17.5297	13.2089	23.4601