condition mean min max 4 h after light 0.1179499 0.0861148 0.149785 8 h after light 0.14317055 0.0682371 0.218104 12 h after light 0.0397597 0.0 0.0795194 4 h after dark 0.1436682 0.0 0.336737 8 h after dark 0.088779 0.0 0.266337 12 h after dark 0.09296900000000001 0.0 0.278907