condition	mean	min	max
2 h after light	6.74965	6.55122	6.857
6 h after light	8.780563333333333	8.53545	9.03366
10 h after light	8.66319	8.33021	8.84027
2 h after dark	7.555176666666667	6.50682	8.24178
6 h after dark	7.799113333333334	7.00572	8.5441
10 h after dark	6.8688	6.45652	7.27385