condition	mean	min	max
0 h after light	8.830715000000001	8.32614	9.33529
4 h after light	4.222575	3.93285	4.5123
8 h after light	5.947965	5.94623	5.9497
4 h after dark	27.1829	26.1513	28.2145
8 h after dark	24.52835	21.6864	27.3703
12 h after dark	9.923615	8.53523	11.312