condition	mean	min	max
4 h after light	6.4646349999999995	4.49715	8.43212
8 h after light	5.47757	5.46535	5.48979
12 h after light	10.11434	7.60888	12.6198
4 h after dark	13.84745	11.5597	16.1352
8 h after dark	12.93995	12.769	13.1109
12 h after dark	12.115749999999998	10.524	13.7075