Dual Outdoor Celsius Centigrade Thermometers Small 56×320 Medium 112×640 Large 180×1024 Download Tiff Original 526×3000 | (4.5 MB) Download EPS Vector 436.9 KB Description -20 Degrees Celsius Centigrade Keywords -20 degrees, Celsius, centigrade, Degree, double, dual, outdoor, outside, temperature, temperatures, thermometer, thermometers, two Galleries Dual Outdoor Thermometers Source: Florida Center for Instructional Technology Clipart ETC (Tampa, FL: University of South Florida, 2009)