condition	mean	min	max
3 h after light	7.330826666666667	7.11859	7.49343
6 h after light	7.95092	6.12217	9.23661
9 h after light	8.70851	7.99125	9.14189
12 h after light	8.865446666666667	8.38184	9.24942
3 h after dark	10.9395	10.5242	11.6942
6 h after dark	10.9597	10.8716	11.0765
9 h after dark	8.814356666666667	7.77048	9.94735
12 h after dark	6.89837	6.52322	7.12767