condition	mean	min	max
2 h after light	17.797	16.9449	18.729
6 h after light	18.173933333333334	17.262	19.201
10 h after light	19.881433333333334	18.9911	21.1583
2 h after dark	16.2868	15.4296	17.4301
6 h after dark	17.971	17.0447	18.5203
10 h after dark	16.6391	16.1663	16.9695