condition	mean	min	max
4 h after light	6.232075	6.01398	6.45017
8 h after light	5.848405	5.27097	6.42584
12 h after light	7.145595	6.31307	7.97812
4 h after dark	12.0359	11.9527	12.1191
8 h after dark	8.234964999999999	8.06144	8.40849
12 h after dark	8.55068	8.37006	8.7313