condition	mean	min	max
4 h after light	20.75745	18.98	22.5349
8 h after light	18.25875	18.0026	18.5149
12 h after light	21.65155	20.5288	22.7743
4 h after dark	28.2631	27.4498	29.8164
8 h after dark	33.97776666666667	32.0988	37.3423
12 h after dark	31.308033333333334	29.4649	33.0626