condition mean min max 4 h after light 217.280191 184.020633 250.539749 8 h after light 210.051402 195.497168 224.605636 12 h after light 217.4256685 170.61928 264.232057 4 h after dark 358.9199435 238.693595 479.146292 8 h after dark 424.116672 238.693595 609.539749 12 h after dark 238.693595 238.693595 238.693595