condition	mean	min	max
4 h after light	7671.643444	7250.170216	8093.116672
8 h after light	6906.6293735	6576.718998	7236.539749
12 h after light	6950.9687305	6536.155134	7365.782327
4 h after dark	6873.796208	6425.647865	7321.944551
8 h after dark	6217.406856	5490.735501	6944.078211
12 h after dark	9054.912197	9054.912197	9054.912197