condition	mean	min	max
4 h after light	22.359443499999998	20.202833	24.516054
8 h after light	21.2082795	18.592607	23.823952
12 h after light	18.599456	16.4118	20.787112
4 h after dark	33.0497715	19.656223	46.44332
8 h after dark	39.34358	27.923559	50.763601
12 h after dark	21.039697	21.039697	21.039697