condition	mean	min	max
4 h after light	5.81315	5.77411	5.8617300000000006
8 h after light	5.840903333333333	5.75324	5.96876
12 h after light	5.66444	5.62129	5.74904
4 h after dark	5.9258999999999995	5.914619999999999	5.9418
8 h after dark	5.812296666666667	5.7814	5.83252
12 h after dark	5.88023	5.82664	5.9248400000000006