Global temperature, Mar 2009

Global anomaly+0.53°C1951–1980

Rank among all Mars29 / 147warmest first

N. Hemisphere+0.58°C

S. Hemisphere+0.48°C

vs same month last year−0.22°C

CO₂ (Mauna Loa)389.04 ppm

All months of 2009

Jan+0.65°C

Feb+0.53°C

Mar ◀+0.53°C

Apr+0.61°C

May+0.65°C

Jun+0.63°C

Jul+0.74°C

Aug+0.69°C

Sep+0.72°C

Oct+0.65°C

Nov+0.80°C

Dec+0.67°C

This month+0.53°C

Same month, previous year+0.75°C

Same month 10 years earlier+0.33°C

Same month 50 years earlier+0.18°C

Mar average 1991–2020+0.69°C

Warmest Mar on record (2024)+1.40°C

Year	Global	NH	SH	Rank
1999	+0.33°C	+0.29°C	+0.36°C	39
2000	+0.55°C	+0.84°C	+0.25°C	28
2001	+0.55°C	+0.76°C	+0.34°C	27
2002	+0.88°C	+1.11°C	+0.64°C	14
2003	+0.60°C	+0.66°C	+0.53°C	25
2004	+0.63°C	+0.87°C	+0.39°C	23
2005	+0.74°C	+0.95°C	+0.54°C	18
2006	+0.63°C	+0.78°C	+0.48°C	22
2007	+0.71°C	+0.93°C	+0.49°C	19
2008	+0.75°C	+1.14°C	+0.35°C	17
2009	+0.53°C	+0.58°C	+0.48°C	29
2010	+0.92°C	+1.11°C	+0.74°C	11
2011	+0.65°C	+0.89°C	+0.41°C	21
2012	+0.57°C	+0.69°C	+0.43°C	26
2013	+0.67°C	+0.82°C	+0.53°C	20
2014	+0.78°C	+1.20°C	+0.35°C	16
2015	+0.96°C	+1.32°C	+0.59°C	10
2016	+1.35°C	+1.89°C	+0.81°C	3
2017	+1.16°C	+1.51°C	+0.81°C	8
2018	+0.88°C	+1.18°C	+0.58°C	13
2019	+1.17°C	+1.55°C	+0.78°C	7

Rank 297 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.