condition	mean	min	max
4 h after light	8.772205	8.38687	9.15754
8 h after light	5.40705	3.14666	7.66744
12 h after light	8.782155	8.11259	9.45172
4 h after dark	8.59509	7.40983	9.90361
8 h after dark	6.680066666666667	4.95412	7.61587
12 h after dark	6.66533	3.55349	8.26148