Global temperature in the 1910s

Decade average−0.34°C1951–1980

vs previous decade−0.01°C

Warmest year1915−0.15°C

CO₂ average–Mauna Loa

Each year

1910−0.44°C

1911−0.45°C

1912−0.37°C

1913−0.36°C

1914−0.17°C

1915−0.15°C

1916−0.37°C

1917−0.46°C

1918−0.30°C

1919−0.28°C

Year	Global	NH	SH	Rank
1910	−0.44°C	−0.45°C	−0.44°C	142
1911	−0.45°C	−0.43°C	−0.47°C	143
1912	−0.37°C	−0.48°C	−0.27°C	137
1913	−0.36°C	−0.43°C	−0.28°C	134
1914	−0.17°C	−0.20°C	−0.13°C	101
1915	−0.15°C	−0.14°C	−0.15°C	96
1916	−0.37°C	−0.42°C	−0.32°C	138
1917	−0.46°C	−0.58°C	−0.37°C	144
1918	−0.30°C	−0.40°C	−0.21°C	128
1919	−0.28°C	−0.35°C	−0.21°C	122

1880s−0.22°C

1890s−0.24°C

1900s−0.32°C

1910s ◀−0.34°C

1920s−0.24°C

1930s−0.12°C

1940s+0.04°C

1950s−0.05°C

1960s−0.03°C

1970s+0.03°C

1980s+0.25°C

1990s+0.39°C

2000s+0.59°C

2010s+0.81°C

2020s+1.07°C

Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.