condition	mean	min	max
4 h after light	4.52135	4.07739	4.96531
8 h after light	5.631824999999999	5.13266	6.13099
12 h after light	4.25095	3.55785	4.94405
4 h after dark	4.17735	3.99823	4.35647
8 h after dark	4.69262	4.41329	4.97195
12 h after dark	6.03249	5.782	6.28298