condition	mean	min	max
4 h after light	17.3587	13.4549	21.2625
8 h after light	48.169250000000005	39.2944	57.0441
12 h after light	16.49875	11.3784	21.6191
4 h after dark	56.73305	54.2701	59.196
8 h after dark	38.52645	34.5518	42.5011
12 h after dark	43.98425	43.1887	44.7798