condition	mean	min	max
4 h after light	3.785425	3.44295	4.1279
8 h after light	6.72068	6.39803	7.04333
12 h after light	10.29458	9.81526	10.7739
4 h after dark	14.281749999999999	13.8666	14.6969
8 h after dark	11.108049999999999	10.7685	11.4476
12 h after dark	8.362665	7.99512	8.73021