condition mean min max 4 h after light 525.593714 518.968127 532.219301 8 h after light 623.4029049999999 529.142659 717.663151 12 h after light 490.72406450000005 437.290636 544.157493 4 h after dark 543.0064904999999 504.396309 581.616672 8 h after dark 552.0472215 521.155134 582.939309 12 h after dark 472.017849 472.017849 472.017849