condition mean min max 4 h after light 11.5216895 11.29928 11.744099 8 h after light 12.309496 11.759664 12.859328 12 h after light 11.938247 11.833301 12.043193 4 h after dark 12.1232155 11.731186 12.515245 8 h after dark 10.8430255 10.536851 11.1492 12 h after dark 10.337273 10.337273 10.337273