condition	mean	min	max
0 h after light	7.517939999999999	7.21138	7.8245
4 h after light	7.908605	7.81313	8.00408
8 h after light	8.690045	7.9731	9.40699
4 h after dark	8.86365	8.58939	9.13791
8 h after dark	9.960270000000001	9.14464	10.7759
12 h after dark	7.12197	6.51166	7.73228