condition	mean	min	max
4 h after light	17.7	17.7	17.7
8 h after light	27.65	4.8	50.5
12 h after light	31.65	29.7	33.6
4 h after dark	58.35	54.5	62.2
8 h after dark	74.15	44.7	103.6
12 h after dark	40.35	31.5	49.2