condition mean min max 0 h after light 0.101385 0.0 0.20277 4 h after light 0.3026845 0.20624 0.399129 8 h after light 0.10302 0.0 0.20604 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.1977345 0.0 0.395469