Global temperature, Apr 1991

Global anomaly+0.51°C1951–1980

Rank among all Aprs28 / 147warmest first

N. Hemisphere+0.56°C

S. Hemisphere+0.46°C

vs same month last year−0.05°C

CO₂ (Mauna Loa)358.77 ppm

All months of 1991

Jan+0.43°C

Feb+0.50°C

Mar+0.36°C

Apr ◀+0.51°C

May+0.34°C

Jun+0.53°C

Jul+0.48°C

Aug+0.39°C

Sep+0.44°C

Oct+0.29°C

Nov+0.30°C

Dec+0.32°C

This month+0.51°C

Same month, previous year+0.56°C

Same month 10 years earlier+0.32°C

Same month 50 years earlier+0.16°C

Apr average 1991–2020+0.63°C

Warmest Apr on record (2024)+1.32°C

Year	Global	NH	SH	Rank
1981	+0.32°C	+0.39°C	+0.26°C	37
1982	+0.15°C	+0.17°C	+0.13°C	55
1983	+0.28°C	+0.06°C	+0.50°C	42
1984	+0.06°C	−0.07°C	+0.19°C	62
1985	+0.12°C	−0.04°C	+0.27°C	58
1986	+0.22°C	+0.15°C	+0.30°C	46
1987	+0.24°C	+0.07°C	+0.42°C	45
1988	+0.43°C	+0.44°C	+0.42°C	32
1989	+0.29°C	+0.32°C	+0.26°C	39
1990	+0.56°C	+0.71°C	+0.42°C	24
1991	+0.51°C	+0.56°C	+0.46°C	28
1992	+0.28°C	+0.16°C	+0.40°C	41
1993	+0.28°C	+0.23°C	+0.32°C	40
1994	+0.41°C	+0.48°C	+0.35°C	33
1995	+0.47°C	+0.72°C	+0.22°C	31
1996	+0.33°C	+0.17°C	+0.49°C	35
1997	+0.34°C	+0.49°C	+0.18°C	34
1998	+0.64°C	+0.87°C	+0.40°C	19
1999	+0.32°C	+0.54°C	+0.10°C	36
2000	+0.56°C	+0.88°C	+0.23°C	23
2001	+0.50°C	+0.60°C	+0.41°C	29

Rank 313 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.