condition	mean	min	max
0 h after light	8.593945	7.02399	10.1639
4 h after light	9.259765	7.55453	10.965
8 h after light	8.621735000000001	8.10736	9.13611
4 h after dark	11.905650000000001	11.1142	12.6971
8 h after dark	12.3476	11.8205	12.8747
12 h after dark	10.305595	9.93729	10.6739