condition	mean	min	max
4 h after light	12.984505	8.90241	17.0666
8 h after light	5.105215	5.02716	5.18327
12 h after light	4.675055	4.31067	5.03944
4 h after dark	7.06025	7.01043	7.11343
8 h after dark	14.432566666666666	13.3922	15.875
12 h after dark	26.643766666666668	23.6578	28.8698