condition mean min max 4 h after light 540.5707749999999 485.385903 595.755647 8 h after light 532.423964 484.522944 580.324984 12 h after light 380.446931 302.648644 458.245218 4 h after dark 357.7949345 343.796173 371.793696 8 h after dark 288.4550365 282.924364 293.985709 12 h after dark 366.178651 366.178651 366.178651