condition	mean	min	max
4 h after light	3.128485	2.49676	3.76021
8 h after light	3.6337200000000003	3.45017	3.81727
12 h after light	3.320495	3.09279	3.5482
4 h after dark	4.62981	4.36563	4.9663
8 h after dark	3.4707333333333334	3.13086	3.70285
12 h after dark	3.7260466666666665	3.4351	4.15865