condition	mean	min	max
4 h after light	8.2297655	7.591466	8.868065
8 h after light	8.850082	8.507732	9.192432
12 h after light	8.2754795	7.85593	8.695029
4 h after dark	7.8787044999999996	7.820455	7.936954
8 h after dark	9.370188	9.100231	9.640145
12 h after dark	9.664179	9.664179	9.664179