condition	mean	min	max
4 h after light	5.3965966666666665	5.21713	5.71021
8 h after light	5.29356	5.15428	5.48736
12 h after light	5.243246666666667	5.00922	5.47748
4 h after dark	5.3558	5.13539	5.64876
8 h after dark	5.328063333333334	5.07313	5.52121
12 h after dark	5.1955	5.07929	5.30744