Global temperature, Apr 1909

Global anomaly−0.60°C1951–1980

Rank among all Aprs147 / 147warmest first

N. Hemisphere−0.66°C

S. Hemisphere−0.54°C

vs same month last year−0.15°C

CO₂ (Mauna Loa)–

All months of 1909

Jan−0.74°C

Feb−0.47°C

Mar−0.55°C

Apr ◀−0.60°C

May−0.55°C

Jun−0.52°C

Jul−0.46°C

Aug−0.34°C

Sep−0.39°C

Oct−0.40°C

Nov−0.33°C

Dec−0.57°C

This month−0.60°C

Same month, previous year−0.45°C

Same month 10 years earlier−0.21°C

Apr average 1991–2020+0.63°C

Warmest Apr on record (2024)+1.32°C

Year	Global	NH	SH	Rank
1899	−0.21°C	−0.23°C	−0.19°C	103
1900	−0.10°C	−0.11°C	−0.09°C	85
1901	−0.03°C	+0.10°C	−0.16°C	75
1902	−0.28°C	−0.38°C	−0.19°C	114
1903	−0.42°C	−0.47°C	−0.36°C	138
1904	−0.51°C	−0.51°C	−0.52°C	144
1905	−0.34°C	−0.46°C	−0.22°C	129
1906	−0.06°C	+0.04°C	−0.16°C	80
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

Rank 1748 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.