condition	mean	min	max
4 h after light	11.428896	9.566275	13.291517
8 h after light	13.184694499999999	13.049689	13.3197
12 h after light	16.5043455	12.487305	20.521386
4 h after dark	10.940052999999999	9.306688	12.573418
8 h after dark	12.158242999999999	9.766399	14.550087
12 h after dark	14.285536	14.285536	14.285536