condition	mean	min	max
0 h after light	8.564115	7.98167	9.14656
4 h after light	4.99642	4.28079	5.71205
8 h after light	11.883590000000002	9.36198	14.4052
4 h after dark	8.385315	6.36243	10.4082
8 h after dark	5.305070000000001	4.22522	6.38492
12 h after dark	5.80207	4.91168	6.69246