condition	mean	min	max
0 h after light	19.57475	19.4746	19.6749
4 h after light	10.15335	10.1335	10.1732
8 h after light	8.538609999999998	8.07091	9.00631
4 h after dark	11.9955	10.4403	13.5507
8 h after dark	14.0314	13.1303	14.9325
12 h after dark	15.42455	13.2535	17.5956