condition mean min max 0 h after light 0.0229024 0.0 0.0458048 4 h after light 0.0 0.0 0.0 8 h after light 0.02331325 0.0 0.0466265 4 h after dark 0.04516395 0.0 0.0903279 8 h after dark 0.0 0.0 0.0 12 h after dark 0.02287165 0.0 0.0457433