condition	mean	min	max
4 h after light	19.724043333333334	9.62373	28.1953
8 h after light	4.976783333333333	1.10577	9.3334
12 h after light	6.74633	3.40144	10.7889
4 h after dark	17.7239	11.13	23.8686
8 h after dark	34.9562	20.2058	43.3907
12 h after dark	50.7936	38.382	70.2549