condition	mean	min	max
4 h after light	10.194306666666668	9.653030000000001	10.561060000000001
8 h after light	7.77591	7.498469999999999	8.00876
12 h after light	7.82389	7.6307100000000005	8.17734
4 h after dark	7.61243	7.45719	7.780130000000001
8 h after dark	7.962626666666667	7.573980000000001	8.3434
12 h after dark	8.722966666666666	8.058	9.4547