condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.090343 0.0 0.271029 9 h after light 0.12165233333333332 0.0 0.364957 12 h after light 0.03108025 0.0 0.124321 3 h after dark 0.0 0.0 0.0 6 h after dark 0.13320633333333334 0.0 0.399619 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0