Global temperature, Oct 1971

Global anomaly−0.04°C1951–1980

Rank among all Octs82 / 146warmest first

N. Hemisphere−0.16°C

S. Hemisphere+0.06°C

vs same month last year−0.07°C

CO₂ (Mauna Loa)323.56 ppm

All months of 1971

Jan−0.02°C

Feb−0.15°C

Mar−0.18°C

Apr−0.07°C

May−0.05°C

Jun−0.16°C

Jul−0.07°C

Aug−0.01°C

Sep−0.05°C

Oct ◀−0.04°C

Nov−0.07°C

Dec−0.08°C

This month−0.04°C

Same month, previous year+0.03°C

Same month 10 years earlier±0.00°C

Same month 50 years earlier−0.03°C

Oct average 1991–2020+0.62°C

Warmest Oct on record (2024)+1.35°C

Year	Global	NH	SH	Rank
1961	±0.00°C	−0.03°C	+0.03°C	76
1962	+0.01°C	+0.13°C	−0.10°C	72
1963	+0.15°C	+0.42°C	−0.12°C	46
1964	−0.31°C	−0.31°C	−0.32°C	133
1965	−0.05°C	−0.02°C	−0.08°C	86
1966	−0.17°C	−0.10°C	−0.23°C	106
1967	+0.09°C	+0.29°C	−0.12°C	57
1968	+0.09°C	−0.01°C	+0.18°C	56
1969	+0.09°C	+0.03°C	+0.17°C	55
1970	+0.03°C	−0.20°C	+0.25°C	71
1971	−0.04°C	−0.16°C	+0.06°C	82
1972	+0.08°C	−0.04°C	+0.21°C	59
1973	+0.10°C	−0.08°C	+0.27°C	54
1974	−0.06°C	−0.23°C	+0.10°C	89
1975	−0.11°C	−0.18°C	−0.06°C	97
1976	−0.24°C	−0.51°C	+0.04°C	118
1977	+0.03°C	−0.02°C	+0.09°C	70
1978	+0.03°C	±0.00°C	+0.06°C	69
1979	+0.26°C	+0.23°C	+0.29°C	38
1980	+0.13°C	+0.11°C	+0.15°C	50
1981	+0.12°C	+0.23°C	+0.02°C	52

Rank 903 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.