condition	mean	min	max
4 h after light	7.120035	6.85936	7.38071
8 h after light	6.457755000000001	6.31674	6.59877
12 h after light	9.451	7.509	11.393
4 h after dark	12.7132	11.4009	14.0255
8 h after dark	15.3287	15.161	15.4964
12 h after dark	11.88645	11.3531	12.4198