condition mean min max 4 h after light 444.3464275 345.023164 543.669691 8 h after light 620.151126 499.663578 740.638674 12 h after light 609.2787894999999 590.633215 627.924364 4 h after dark 907.5007905 706.671158 1108.330423 8 h after dark 728.50712 697.141824 759.872416 12 h after dark 421.962406 421.962406 421.962406