condition	mean	min	max
0 h after light	21.87175	21.7074	22.0361
4 h after light	30.159	28.8148	31.5032
8 h after light	74.40055	71.4065	77.3946
4 h after dark	60.51835	51.0602	69.9765
8 h after dark	35.962	35.4479	36.4761
12 h after dark	26.80175	23.1068	30.4967