condition	mean	min	max
4 h after light	22.4692	20.3273	24.6111
8 h after light	17.526899999999998	16.7529	18.3009
12 h after light	21.52885	20.8576	22.2001
4 h after dark	26.2001	24.2352	28.165
8 h after dark	27.5843	27.3082	27.8604
12 h after dark	29.2443	27.8755	30.6131