condition mean min max 4 h after light 172.808 169.105 176.511 8 h after light 169.274 168.416 170.132 12 h after light 203.262 195.728 210.796 4 h after dark 188.077 168.219 207.935 8 h after dark 187.7355 176.747 198.724 12 h after dark 217.1085 174.007 260.21