condition	mean	min	max
4 h after light	9.06737	4.44322	13.9794
8 h after light	5.13433	1.10885	9.77417
12 h after light	5.21026	2.98229	8.21182
4 h after dark	9.80446	6.42328	11.5907
8 h after dark	14.080326666666666	8.24248	17.129
12 h after dark	14.986733333333333	12.7642	17.8866