condition	mean	min	max
4 h after light	12.49035	11.7879	13.1928
8 h after light	11.8356	11.2998	12.3714
12 h after light	14.1701	13.7311	14.6091
4 h after dark	17.913066666666666	16.9388	19.4158
8 h after dark	19.881999999999998	18.4488	21.1423
12 h after dark	17.627033333333333	16.4803	18.6401