condition	mean	min	max
4 h after light	9827.612777666667	9374.313333	10263.42
8 h after light	12198.285556666668	8804.28	14512.08667
12 h after light	11733.030003333333	10055.65667	13014.87667
1.5 h after dark	11705.455553333333	9492.43	12844.45333
5.5 h after dark	12968.774446666666	11125.46667	15502.00667
9.5 h after dark	10348.42111	9868.46	11141.27333