condition	mean	min	max
4 h after light	12.156003333333334	12.07414	12.19706
8 h after light	11.960506666666667	11.85951	12.04465
12 h after light	12.376433333333333	12.32951	12.414019999999999
4 h after dark	12.57188	12.44182	12.6458
8 h after dark	12.57789	12.405439999999999	12.66545
12 h after dark	12.35981	12.30477	12.39953