condition	mean	min	max
4 h after light	3.9013733333333334	3.8580099999999997	3.95319
8 h after light	4.58008	4.4681	4.704969999999999
12 h after light	4.319623333333333	4.08649	4.57001
4 h after dark	3.9597299999999995	3.9285699999999997	4.001469999999999
8 h after dark	3.8547366666666667	3.8242199999999995	3.8731400000000002
12 h after dark	3.912603333333333	3.79333	4.020919999999999