condition	mean	min	max
4 h after light	14.6854515	14.46303	14.907873
8 h after light	16.1479155	15.616256	16.679575
12 h after light	18.4444865	18.33256	18.556413
4 h after dark	20.2985575	18.556413	22.040702
8 h after dark	18.3563405	17.658231	19.05445
12 h after dark	18.556413	18.556413	18.556413