Mr Peachy's Thermometer

$ conky -c Conky/thermometer_v4.conky
Conky: llua_load: /home/chris/Conky/LUA/thermometer_v4.lua:12: module 'cairo' not found:
	no field package.preload['cairo']
	no file '/usr/share/lua/5.2/cairo.lua'
	no file '/usr/share/lua/5.2/cairo/init.lua'
	no file '/usr/lib/lua/5.2/cairo.lua'
	no file '/usr/lib/lua/5.2/cairo/init.lua'
	no file './cairo.lua'
	no file '/usr/lib/conky/libcairo.so'
	no file '/usr/lib/lua/5.2/cairo.so'
	no file '/usr/lib/lua/5.2/loadall.so'
	no file './cairo.so'
Conky: desktop window (c00003) is subwindow of root window (2c3)
Conky: window type - normal
Conky: drawing to created window (0x1000002)
Conky: drawing to double buffer
Conky: llua_do_call: function conky_draw_bg execution failed: attempt to call a nil value