condition	mean	min	max
4 h after light	8.599585	7.85864	9.34053
8 h after light	5.670439999999999	5.047	6.29388
12 h after light	4.49176	3.73205	5.25147
4 h after dark	6.643093333333333	6.40205	6.94356
8 h after dark	4.9381699999999995	4.55725	5.31624
12 h after dark	7.925763333333334	6.08828	8.89319