condition mean min max 4 h after light 1160.8862525 914.291296 1407.481209 8 h after light 762.68964 669.118785 856.260495 12 h after light 1024.8035909999999 962.71535 1086.891832 4 h after dark 877.5318139999999 861.514408 893.54922 8 h after dark 759.681401 521.989918 997.372884 12 h after dark 1458.462826 1458.462826 1458.462826