condition	mean	min	max
4 h after light	5.4207	4.87447	5.96693
8 h after light	3.75235	3.70884	3.79586
12 h after light	3.808865	3.30427	4.31346
4 h after dark	4.06715	3.80792	4.32638
8 h after dark	4.87831	4.36862	5.388
12 h after dark	5.856995	5.76071	5.95328