condition	mean	min	max
4 h after light	5.373685	4.14752	6.59985
8 h after light	4.449635000000001	3.81944	5.07983
12 h after light	5.06775	4.47564	5.65986
4 h after dark	4.594645	3.9569	5.23239
8 h after dark	3.53622	3.49685	3.57559
12 h after dark	5.05119	4.41193	5.69045