condition	mean	min	max
4 h after light	8.664183333333334	8.57813	8.7423
8 h after light	8.04084	7.8303199999999995	8.15825
12 h after light	8.58425	8.23966	8.78598
4 h after dark	8.777573333333333	8.3593	9.063839999999999
8 h after dark	8.75599	8.35078	9.06216
12 h after dark	8.731373333333332	8.468639999999999	8.90903