Global temperature, Mar 1930

Global anomaly−0.11°C1951–1980

Rank among all Mars87 / 147warmest first

N. Hemisphere+0.12°C

S. Hemisphere−0.34°C

vs same month last year+0.22°C

CO₂ (Mauna Loa)–

All months of 1930

Jan−0.31°C

Feb−0.27°C

Mar ◀−0.11°C

Apr−0.25°C

May−0.24°C

Jun−0.22°C

Jul−0.21°C

Aug−0.15°C

Sep−0.15°C

Oct−0.12°C

Nov+0.17°C

Dec−0.06°C

This month−0.11°C

Same month, previous year−0.33°C

Same month 10 years earlier−0.12°C

Same month 50 years earlier−0.10°C

Mar average 1991–2020+0.69°C

Warmest Mar on record (2024)+1.40°C

Year	Global	NH	SH	Rank
1920	−0.12°C	±0.00°C	−0.26°C	89
1921	−0.23°C	−0.11°C	−0.37°C	110
1922	−0.15°C	−0.11°C	−0.20°C	96
1923	−0.34°C	−0.39°C	−0.29°C	129
1924	−0.09°C	+0.03°C	−0.19°C	84
1925	−0.27°C	−0.22°C	−0.33°C	118
1926	+0.11°C	+0.38°C	−0.15°C	56
1927	−0.39°C	−0.47°C	−0.30°C	134
1928	−0.25°C	−0.23°C	−0.26°C	115
1929	−0.33°C	−0.19°C	−0.46°C	127
1930	−0.11°C	+0.12°C	−0.34°C	87
1931	−0.11°C	−0.06°C	−0.12°C	86
1932	−0.18°C	−0.21°C	−0.16°C	99
1933	−0.29°C	−0.31°C	−0.27°C	124
1934	−0.29°C	−0.27°C	−0.32°C	123
1935	−0.14°C	+0.03°C	−0.32°C	93
1936	−0.21°C	−0.13°C	−0.29°C	106
1937	−0.21°C	−0.23°C	−0.18°C	105
1938	+0.10°C	+0.34°C	−0.16°C	59
1939	−0.18°C	−0.25°C	−0.12°C	98
1940	+0.09°C	+0.02°C	+0.16°C	61

Rank 1077 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.