condition	mean	min	max
4 h after light	4.327615	3.50997	5.14526
8 h after light	4.78749	4.68977	4.88521
12 h after light	7.34558	6.683	8.00816
4 h after dark	10.22756	9.02872	11.4264
8 h after dark	8.04807	8.03741	8.05873
12 h after dark	6.838464999999999	6.49491	7.18202