condition	mean	min	max
4 h after light	30.032700000000002	25.7783	34.2871
8 h after light	53.128550000000004	52.9664	53.2907
12 h after light	68.47	65.1928	71.7472
4 h after dark	76.53345	71.2919	81.775
8 h after dark	57.5453	56.1214	58.9692
12 h after dark	50.82325	47.7103	53.9362