Global temperature, Sep 2004

Global anomaly+0.50°C1951–1980

Rank among all Seps26 / 146warmest first

N. Hemisphere+0.59°C

S. Hemisphere+0.42°C

vs same month last year−0.12°C

CO₂ (Mauna Loa)374.43 ppm

All months of 2004

Jan+0.58°C

Feb+0.72°C

Mar+0.63°C

Apr+0.61°C

May+0.37°C

Jun+0.44°C

Jul+0.26°C

Aug+0.45°C

Sep ◀+0.50°C

Oct+0.61°C

Nov+0.73°C

Dec+0.51°C

This month+0.50°C

Same month, previous year+0.62°C

Same month 10 years earlier+0.31°C

Same month 50 years earlier−0.10°C

Sep average 1991–2020+0.58°C

Warmest Sep on record (2023)+1.48°C

Year	Global	NH	SH	Rank
1994	+0.31°C	+0.33°C	+0.30°C	36
1995	+0.33°C	+0.43°C	+0.24°C	35
1996	+0.26°C	+0.04°C	+0.47°C	38
1997	+0.52°C	+0.52°C	+0.55°C	25
1998	+0.42°C	+0.61°C	+0.24°C	28
1999	+0.39°C	+0.40°C	+0.37°C	30
2000	+0.39°C	+0.36°C	+0.41°C	29
2001	+0.52°C	+0.56°C	+0.47°C	24
2002	+0.64°C	+0.62°C	+0.65°C	18
2003	+0.62°C	+0.78°C	+0.47°C	20
2004	+0.50°C	+0.59°C	+0.42°C	26
2005	+0.72°C	+0.89°C	+0.54°C	16
2006	+0.66°C	+0.82°C	+0.50°C	17
2007	+0.60°C	+0.68°C	+0.53°C	22
2008	+0.60°C	+0.56°C	+0.65°C	21
2009	+0.72°C	+0.85°C	+0.59°C	15
2010	+0.63°C	+0.69°C	+0.56°C	19
2011	+0.56°C	+0.73°C	+0.38°C	23
2012	+0.72°C	+0.85°C	+0.59°C	14
2013	+0.77°C	+0.69°C	+0.83°C	12
2014	+0.88°C	+0.84°C	+0.91°C	9

Rank 317 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.