condition	mean	min	max
4 h after light	9.28564	6.3604	13.4871
8 h after light	5.683479999999999	1.39697	9.65152
12 h after light	7.294566666666666	3.83377	12.5907
4 h after dark	18.4459	13.4014	24.2694
8 h after dark	15.3454	12.6762	16.7971
12 h after dark	13.389376666666667	7.99903	19.8408