condition mean min max 4 h after light 351.911245 39.482945 664.339545 8 h after light 122.9775605 100.195108 145.760013 12 h after light 138.9678115 90.880512 187.055111 4 h after dark 1492.168545 269.874264 2714.462826 8 h after dark 3227.5782105 2990.770518 3464.385903 12 h after dark 1027.237013 1027.237013 1027.237013