condition	mean	min	max
4 h after light	9.0109715	8.907105	9.114838
8 h after light	9.777993500000001	8.481516	11.074471
12 h after light	8.766182	8.641262	8.891102
4 h after dark	9.5943745	8.907105	10.281644
8 h after dark	8.4890605	8.1956	8.782521
12 h after dark	8.773734	8.773734	8.773734