condition	mean	min	max
4 h after light	4.268095000000001	3.48428	5.05191
8 h after light	3.56277	3.23154	3.894
12 h after light	3.43751	3.27841	3.59661
4 h after dark	14.3286	12.7598	16.0048
8 h after dark	17.4082	14.0848	23.7844
12 h after dark	15.556266666666668	11.5623	19.2863