condition	mean	min	max
4 h after light	9.959610000000001	8.54152	11.3777
8 h after light	7.791965	7.53054	8.05339
12 h after light	7.118425	7.09831	7.13854
4 h after dark	12.6172	10.0011	15.942
8 h after dark	11.753866666666667	10.7843	13.0192
12 h after dark	10.378243333333334	9.63201	11.7269