\documentclass{standalone}
%\usepackage[showframe]{geometry}
\standaloneconfig{margin=0.5cm}
\usepackage{fourier}
\usepackage[dvipsnames]{xcolor}
\usepackage{tikz}
\begin{document}
\begin{tikzpicture}[y=0.5pt, x=0.5pt,yscale=-1, inner sep=0pt, outer sep=0pt]
\def\thermopath{
  (280.0313,169.3125) .. controls (263.9888,169.3125) and (250.6461,179.3446) ..
  (247.8125,192.5625) --
  (247.3438,563.7500) .. controls (235.7346,573.2243) and (228.3438,587.6282) ..
  (228.3438,603.7813) .. controls (228.3438,632.3161) and (251.4651,655.4688) ..
  (280.0000,655.4688) .. controls (308.5349,655.4688) and (331.6563,632.3161) ..
  (331.6563,603.7813) .. controls (331.6563,587.6282) and (324.2654,573.2243) ..
  (312.6563,563.7500) --
  (312.2500,192.5625) .. controls
  (309.4164,179.3446) and (296.0737,169.3125) .. (280.0313,169.3125) -- cycle
 }
\path[miter limit=4,even odd rule,fill=gray!20]
    \thermopath;

\def\tempincelsius{55}
\begin{scope}
    \clip \thermopath;
    \fill[red] (210,{560- 3.7*\tempincelsius}) -- ++(140,0)
        -- (350, 690) -- (210, 690) -- cycle;
\end{scope}

\path[draw=black,miter limit=4,even odd rule,line width=2.5pt]
    \thermopath;

\foreach \y/\x in {190/100,
                   227/90,
                   264/80,
                   301/70,
                   338/60,
                   375/50,
                   412/40,
                   449/30,
                   486/20,
                   523/10,
                   560/0%
                   }
    {
    \draw (210,\y)--(190,\y) node[left](\x){\x\textdegree C~};
    }
\foreach \u/\v in {189.999/212,
                   231.111/192,
                   272.222/172,
                   313.333/152,
                   354.444/132,
                   395.555/112,
                   436.666/92,
                   477.777/72,
                   518.888/52,
                   559.999/32%
                   }
    {
    \draw (350,\u)--(370,\u) node[right](\v){\v\textdegree F};
    }
\draw (200,190)node[yshift=4ex, OrangeRed] {Celsius} --(200,560) ;
\draw (360,190)node[yshift=4ex, Cerulean] {Fahrenheit}--(360,560);
\draw node[xshift=-5em, OrangeRed] at (100) {Water boils};
\draw node[xshift=5em, Cerulean] at (212) {Water boils};
\draw node[xshift=-5em, OrangeRed] at (0) {Water freezes};
\draw node[xshift=5em, Cerulean] at (32) {Water freezes};
\end{tikzpicture}
\end{document}