condition	mean	min	max
4 h after light	2.747255	2.05826	3.43625
8 h after light	8.03383	8.01195	8.05571
12 h after light	32.4247	26.9086	37.9408
4 h after dark	31.2271	29.4729	32.9813
8 h after dark	15.3529	15.2898	15.416
12 h after dark	8.61269	7.61768	9.6077