condition	mean	min	max
4 h after light	29.190549999999998	25.6256	32.7555
8 h after light	16.105249999999998	13.3842	18.8263
12 h after light	8.8447	8.17174	9.51766
4 h after dark	13.01527	9.75691	15.9681
8 h after dark	11.194233333333333	10.6361	11.7353
12 h after dark	17.9782	15.9798	19.7088