condition	mean	min	max
4 h after light	6.516373333333333	2.31803	8.92975
8 h after light	3.20471	0.77051	5.54842
12 h after light	3.736956666666667	1.9797	6.00851
4 h after dark	7.611433333333333	5.77184	9.17656
8 h after dark	7.44926	5.19787	8.89324
12 h after dark	5.93162	4.10684	7.17016