condition	mean	min	max
4 h after light	7.93017	6.28876	9.57158
8 h after light	1.420675	1.33008	1.51127
12 h after light	1.218255	1.10744	1.32907
4 h after dark	2.34004	1.73011	2.94997
8 h after dark	3.07228	2.56427	3.58029
12 h after dark	4.553635	4.3207	4.78657