condition	mean	min	max
4 h after light	11.825600000000001	10.335	13.3162
8 h after light	10.189869999999999	9.50694	10.8728
12 h after light	13.36115	12.6326	14.0897
4 h after dark	15.1622	14.8237	15.5007
8 h after dark	14.7622	14.5715	14.9529
12 h after dark	14.0747	13.2767	14.8727