condition mean min max 4 h after light 0.628656 0.596168 0.661144 8 h after light 0.0664655 0.0568253 0.0761057 12 h after light 0.16748145 0.0920579 0.242905 4 h after dark 0.0 0.0 0.0 8 h after dark 0.5447649999999999 0.542356 0.547174 12 h after dark 0.755187 0.628474 0.8819