condition	mean	min	max
4 h after light	8.325662999999999	8.188564	8.462762
8 h after light	9.013904499999999	8.779983	9.247826
12 h after light	8.619883999999999	8.462762	8.777006
4 h after dark	8.454754	8.446746	8.462762
8 h after dark	8.296308999999999	7.957864	8.634754
12 h after dark	8.118307	8.118307	8.118307