condition mean min max 4 h after light 732.2328 718.1024 744.4922 8 h after light 792.5694 482.9645 1044.634 12 h after light 719.6717 624.4802 830.2998 16 h after light 1103.2618666666667 905.7859 1482.246 4 h after dark 891.2969333333333 868.4773 917.5686 8 h after dark 499.12763333333334 383.5221 591.4386