condition	mean	min	max
4 h after light	9.232814999999999	9.11521	9.35042
8 h after light	9.493784999999999	9.19675	9.79082
12 h after light	13.65615	12.7034	14.6089
4 h after dark	15.903299999999998	15.1124	16.6942
8 h after dark	16.4914	16.2104	16.7724
12 h after dark	14.84385	14.3259	15.3618