condition	mean	min	max
4 h after light	12.200112	11.183741	13.216483
8 h after light	11.2599305	11.208658	11.311203
12 h after light	11.171967	10.873264	11.47067
4 h after dark	13.77691	12.225553	15.328267
8 h after dark	15.6244875	13.136299	18.112676
12 h after dark	12.355674	12.355674	12.355674