condition mean min max 4 h after light 0.0153124 0.0 0.0306248 8 h after light 0.03349025 0.0 0.0669805 12 h after light 0.081335 0.04051 0.12216 4 h after dark 0.0270794 0.0 0.0541588 8 h after dark 0.036889599999999995 0.0267537 0.0470255 12 h after dark 0.03950845 0.0 0.0790169