condition	mean	min	max
0 h after light	7.267925	6.61258	7.92327
4 h after light	14.88525	14.4455	15.325
8 h after light	11.194949999999999	10.7753	11.6146
4 h after dark	13.588000000000001	13.2958	13.8802
8 h after dark	12.62715	11.7184	13.5359
12 h after dark	9.08338	8.28699	9.87977