condition	mean	min	max
4 h after light	3.819331666666667	3.6790300000000005	4.036442
8 h after light	2.615187	1.767284	3.0954
12 h after light	1.8812	1.659218	2.0615360000000003
16 h after light	12.197126666666666	3.146663	29.85408
4 h after dark	3.085356	2.811835	3.56439
8 h after dark	1.937793	1.755902	2.076996