$2010 \text { Monthly Mean Temperatures for the state of Idaho. Source: NOAA's NCDC Climate at a Glance }$

Multiple Choice

$\begin{array}{|l|c|}\hline \text { MONTH } & \begin{array}{c}\text { MONTHLY } \\\text { MEAN TEMP. }\end{array} \\\hline \text { January } & 28.4^{\circ} \mathrm{F} \\\hline \text { February } & 29.9^{\circ} \mathrm{F} \\\hline \text { March } & 36.9^{\circ} \mathrm{F} \\\hline \text { April } & 42.9^{\circ} \mathrm{F} \\\hline \text { May } & 46.8^{\circ} \mathrm{F} \\\hline \text { June } & 58.2^{\circ} \mathrm{F} \\\hline \text { July } & 66.1^{\circ} \mathrm{F} \\\hline \text { August } & 65.2^{\circ} \mathrm{F} \\\hline \text { September } & 57.6^{\circ} \mathrm{F} \\\hline \text { October } & 49.1^{\circ} \mathrm{F} \\\hline \text { November } & 32.5^{\circ} \mathrm{F} \\\hline \text { December } & 27.5^{\circ} \mathrm{F} \\\hline\end{array}$
$2010 \text { Monthly Mean Temperatures for the state of Idaho. Source: NOAA's NCDC Climate at a Glance }$
Refer to the chart above of 2010 monthly mean temperatures for the state of Idaho. Based on this data, what was the annual temperature range for Idaho in 2010?

A) 47.3°F
B) 38.6°F
C) 45.1°F
D) 66.1°F