condition	mean	min	max
4 h after light	13.403099999999998	12.1931	14.6131
8 h after light	14.7548	14.638	14.8716
12 h after light	16.59525	15.7511	17.4394
4 h after dark	20.4835	19.2708	21.6962
8 h after dark	16.876350000000002	16.7647	16.988
12 h after dark	16.06475	15.5586	16.5709