condition	mean	min	max
4 h after light	696.2738889	664.315	734.04
8 h after light	725.0927777666667	680.89	757.765
12 h after light	781.1411111	710.7533333	819.75
1.5 h after dark	1163.7333333333333	1110.933333	1266.566667
5.5 h after dark	1504.617778	1446.476667	1570.4
9.5 h after dark	1113.0544443333333	854.57	1418.643333