condition	mean	min	max
4 h after light	8.08672	7.6856	8.48784
8 h after light	9.275115	8.78155	9.76868
12 h after light	13.94175	13.3404	14.5431
4 h after dark	9.873466666666666	6.8853	12.1899
8 h after dark	6.24238	5.36179	7.78788
12 h after dark	6.049093333333333	5.82221	6.19034