condition	mean	min	max
0 h after light	7.20593	7.17038	7.24148
4 h after light	5.55908	5.38434	5.73382
8 h after light	6.36327	5.7536	6.97294
4 h after dark	6.810219999999999	6.53541	7.08503
8 h after dark	6.9703	6.49862	7.44198
12 h after dark	6.051325	5.70855	6.3941