condition	mean	min	max
0 h after light	8.661280000000001	8.64183	8.68073
4 h after light	4.511369999999999	4.28153	4.74121
8 h after light	3.779665	3.39276	4.16657
4 h after dark	5.58156	5.45272	5.7104
8 h after dark	6.93266	6.72489	7.14043
12 h after dark	7.034405	6.65452	7.41429