condition	mean	min	max
4 h after light	17.7	17.7	17.7
8 h after light	23.299999999999997	12.7	33.9
12 h after light	21.2	5.4	37.0
4 h after dark	34.5	21.8	47.2
8 h after dark	22.7	4.0	41.4
12 h after dark	14.45	10.7	18.2