condition	mean	min	max
4 h after light	31.581699999999998	29.0356	34.1278
8 h after light	18.46215	17.6909	19.2334
12 h after light	17.9914	17.8745	18.1083
4 h after dark	22.2317	21.1462	23.0554
8 h after dark	28.339466666666667	27.654	28.7013
12 h after dark	27.5749	26.1642	28.6147