condition mean min max 2 h after light 0.5526576666666666 0.157523 1.23114 6 h after light 0.27341950000000004 0.0 0.508719 10 h after light 0.5569406666666666 0.360477 0.940352 14 h after light 0.7082636666666667 0.123951 1.19564 18 h after light 0.49130850000000004 0.276772 0.814467 2 h after dark 0.677876 0.138324 1.32299