condition mean min max 4 h after light 545.042225 452.739757 637.344693 8 h after light 316.8176395 220.730518 412.904761 12 h after light 257.5868625 245.616672 269.557053 4 h after dark 217.78948200000002 182.633946 252.945018 8 h after dark 249.288613 230.523413 268.053813 12 h after dark 520.924364 520.924364 520.924364