condition	mean	min	max
0 h after light	18.386249999999997	17.6134	19.1591
4 h after light	36.72645	34.2781	39.1748
8 h after light	37.72215	37.7124	37.7319
4 h after dark	21.44055	20.9132	21.9679
8 h after dark	19.7557	18.7986	20.7128
12 h after dark	19.984250000000003	17.7844	22.1841