condition	mean	min	max
4 h after light	9.729606666666667	9.01313	10.17935
8 h after light	9.03532	8.56458	9.283430000000001
12 h after light	9.17468	9.090060000000001	9.34094
4 h after dark	10.41293	10.11304	10.73288
8 h after dark	10.372263333333333	9.91207	10.88013
12 h after dark	11.060143333333333	10.79197	11.28047