condition	mean	min	max
4 h after light	8.492103499999999	8.446746	8.537461
8 h after light	9.053072	8.760628	9.345516
12 h after light	8.0525425	7.874671	8.230414
4 h after dark	8.8337045	8.339447	9.327962
8 h after dark	7.623114999999999	6.799484	8.446746
12 h after dark	8.446746	8.446746	8.446746