condition	mean	min	max
4 h after light	12.20935	9.52665	14.4621
8 h after light	8.45026	3.85605	12.3603
12 h after light	9.3159	5.2692	15.7269
4 h after dark	9.815133333333334	5.9177	13.0369
8 h after dark	13.267986666666667	9.58966	16.6421
12 h after dark	13.781733333333333	11.6242	15.1859