condition mean min max 4 h after light 0.2040345 0.0 0.408069 8 h after light 0.0 0.0 0.0 12 h after light 0.306877 0.288795 0.324959 4 h after dark 0.0 0.0 0.0 8 h after dark 0.18139966666666665 0.0 0.544199 12 h after dark 0.0 0.0 0.0