condition	mean	min	max
4 h after light	5.402586666666667	5.35356	5.44258
8 h after light	5.59176	5.40543	5.7918199999999995
12 h after light	5.40021	5.2485800000000005	5.61762
4 h after dark	5.448573333333333	5.35581	5.62575
8 h after dark	5.3858266666666665	5.20069	5.56853
12 h after dark	5.47636	5.31818	5.7013