condition	mean	min	max
4 h after light	14.0488	14.0349	14.0627
8 h after light	18.79355	16.8336	20.7535
12 h after light	29.5304	27.0945	31.9663
4 h after dark	51.48835	50.2199	52.7568
8 h after dark	55.8183	54.0278	57.6088
12 h after dark	36.89555	35.3935	38.3976