condition	mean	min	max
4 h after light	30.51135	28.9912	32.0315
8 h after light	27.87025	26.4415	29.299
12 h after light	21.5412	20.5105	22.5719
4 h after dark	35.9687	34.7457	37.1917
8 h after dark	41.5607	40.2789	42.8425
12 h after dark	47.478350000000006	45.5996	49.3571