condition	mean	min	max
4 h after light	9.261149499999998	8.847264	9.675035
8 h after light	8.858849500000002	8.573861	9.143838
12 h after light	9.6943505	9.627245	9.761456
4 h after dark	9.720547	9.299829	10.141265
8 h after dark	10.844348499999999	8.433287	13.25541
12 h after dark	9.838767	9.838767	9.838767