condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.02264195 0.0 0.0452839 12 h after light 0.027653 0.0 0.055306 4 h after dark 0.0 0.0 0.0 8 h after dark 0.036123550000000004 0.0242246 0.0480225 12 h after dark 0.0 0.0 0.0