Global temperature, Apr 1917

Global anomaly−0.55°C1951–1980

Rank among all Aprs145 / 147warmest first

N. Hemisphere−0.65°C

S. Hemisphere−0.48°C

vs same month last year−0.24°C

CO₂ (Mauna Loa)–

All months of 1917

Jan−0.57°C

Feb−0.63°C

Mar−0.63°C

Apr ◀−0.55°C

May−0.56°C

Jun−0.44°C

Jul−0.26°C

Aug−0.23°C

Sep−0.23°C

Oct−0.45°C

Nov−0.34°C

Dec−0.68°C

This month−0.55°C

Same month, previous year−0.31°C

Same month 10 years earlier−0.37°C

Apr average 1991–2020+0.63°C

Warmest Apr on record (2024)+1.32°C

Year	Global	NH	SH	Rank
1907	−0.37°C	−0.45°C	−0.30°C	132
1908	−0.45°C	−0.48°C	−0.42°C	142
1909	−0.60°C	−0.66°C	−0.54°C	147
1910	−0.43°C	−0.41°C	−0.46°C	140
1911	−0.55°C	−0.47°C	−0.63°C	146
1912	−0.19°C	−0.17°C	−0.20°C	99
1913	−0.41°C	−0.51°C	−0.31°C	136
1914	−0.31°C	−0.39°C	−0.22°C	125
1915	+0.06°C	+0.07°C	+0.04°C	66
1916	−0.31°C	−0.35°C	−0.28°C	124
1917	−0.55°C	−0.65°C	−0.48°C	145
1918	−0.45°C	−0.60°C	−0.32°C	141
1919	−0.13°C	−0.24°C	−0.03°C	91
1920	−0.25°C	−0.21°C	−0.28°C	111
1921	−0.30°C	−0.17°C	−0.44°C	120
1922	−0.23°C	−0.16°C	−0.31°C	108
1923	−0.41°C	−0.53°C	−0.29°C	135
1924	−0.30°C	−0.26°C	−0.33°C	119
1925	−0.26°C	−0.16°C	−0.36°C	112
1926	−0.13°C	−0.13°C	−0.12°C	90
1927	−0.31°C	−0.26°C	−0.35°C	123

Rank 1729 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.