condition mean min max 0 h after light 173.695 171.947 175.443 4 h after light 119.1815 98.404 139.959 8 h after light 243.243 222.482 264.004 4 h after dark 318.6255 248.314 388.937 8 h after dark 210.8305 198.855 222.806 12 h after dark 165.0335 157.674 172.393