Global temperature, Aug 1917

Global anomaly−0.23°C1951–1980

Rank among all Augs115 / 147warmest first

N. Hemisphere−0.41°C

S. Hemisphere−0.07°C

vs same month last year+0.05°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−0.23°C

Same month, previous year−0.28°C

Same month 10 years earlier−0.35°C

Aug average 1991–2020+0.58°C

Warmest Aug on record (2026)+1.40°C

Year	Global	NH	SH	Rank
1907	−0.35°C	−0.39°C	−0.30°C	138
1908	−0.47°C	−0.58°C	−0.36°C	145
1909	−0.34°C	−0.36°C	−0.33°C	137
1910	−0.37°C	−0.41°C	−0.34°C	141
1911	−0.44°C	−0.44°C	−0.45°C	143
1912	−0.55°C	−0.78°C	−0.31°C	147
1913	−0.34°C	−0.47°C	−0.20°C	136
1914	−0.17°C	−0.29°C	−0.06°C	102
1915	−0.23°C	−0.16°C	−0.28°C	116
1916	−0.28°C	−0.38°C	−0.21°C	126
1917	−0.23°C	−0.41°C	−0.07°C	115
1918	−0.32°C	−0.37°C	−0.28°C	130
1919	−0.33°C	−0.31°C	−0.38°C	134
1920	−0.26°C	−0.32°C	−0.21°C	122
1921	−0.27°C	−0.30°C	−0.23°C	123
1922	−0.33°C	−0.37°C	−0.30°C	133
1923	−0.34°C	−0.29°C	−0.38°C	135
1924	−0.36°C	−0.27°C	−0.45°C	139
1925	−0.21°C	−0.21°C	−0.20°C	109
1926	−0.13°C	−0.07°C	−0.19°C	93
1927	−0.24°C	−0.16°C	−0.31°C	118

Rank 1341 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.