Global temperature, Oct 1977

Global anomaly+0.03°C1951–1980

Rank among all Octs70 / 146warmest first

N. Hemisphere−0.02°C

S. Hemisphere+0.09°C

vs same month last year+0.27°C

CO₂ (Mauna Loa)331.28 ppm

All months of 1977

Jan+0.19°C

Feb+0.23°C

Mar+0.24°C

Apr+0.26°C

May+0.33°C

Jun+0.27°C

Jul+0.20°C

Aug+0.18°C

Sep+0.02°C

Oct ◀+0.03°C

Nov+0.16°C

Dec+0.03°C

This month+0.03°C

Same month, previous year−0.24°C

Same month 10 years earlier+0.09°C

Same month 50 years earlier−0.01°C

Oct average 1991–2020+0.62°C

Warmest Oct on record (2024)+1.35°C

Year	Global	NH	SH	Rank
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
1982	+0.13°C	±0.00°C	+0.27°C	49
1983	+0.17°C	+0.12°C	+0.22°C	44
1984	+0.13°C	+0.08°C	+0.19°C	48
1985	+0.12°C	+0.02°C	+0.21°C	51
1986	+0.15°C	+0.09°C	+0.22°C	45
1987	+0.33°C	+0.22°C	+0.45°C	34

Rank 784 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.