condition	mean	min	max
4 h after light	3.996325	3.98182	4.01083
8 h after light	4.79385	4.68242	4.90528
12 h after light	5.705579999999999	4.51953	6.89163
4 h after dark	8.19944	7.3013	9.0173
8 h after dark	7.54102	5.04864	8.97073
12 h after dark	4.707586666666667	3.34475	5.42375