condition	mean	min	max
0 h after light	16.15655	15.6607	16.6524
4 h after light	9.068705	8.25291	9.8845
8 h after light	9.343644999999999	8.9368	9.75049
4 h after dark	11.70585	11.2926	12.1191
8 h after dark	10.53345	10.0411	11.0258
12 h after dark	11.46515	11.1998	11.7305