condition	mean	min	max
4 h after light	9.82491	9.72898	9.92084
8 h after light	5.285925000000001	5.01165	5.5602
12 h after light	7.9508399999999995	6.70858	9.1931
4 h after dark	12.595626666666666	9.58738	15.3956
8 h after dark	13.231733333333333	10.5864	16.1602
12 h after dark	4.802003333333333	3.17459	7.05928