condition	mean	min	max
4 h after light	7.18993	6.63604	7.74382
8 h after light	30.7999	29.5165	32.0833
12 h after light	62.05385	56.4244	67.6833
4 h after dark	58.58865	51.4204	65.7569
8 h after dark	45.22745	44.306	46.1489
12 h after dark	16.81595	15.1695	18.4624