condition	mean	min	max
4 h after light	7.317575	6.49191	8.14324
8 h after light	4.61559	4.19102	5.04016
12 h after light	5.519545	5.40667	5.63242
4 h after dark	6.96343	6.73257	7.24206
8 h after dark	9.628813333333333	9.19892	10.258
12 h after dark	6.335006666666667	5.85325	6.67953