2005 | State of the Climate
From a global perspective, the annual average surface temperature in 2004 was the fourth highest value observed since regular instrumental records beg...
2003 | State of the Climate
Neutral ENSO conditions at the beginning of 2002 gave way to a strengthening El Niño episode during boreal summer. Weather patterns in many areas of ...
1992 | State of the Climate
The purpose of this report is to present a technical resource which can be used to address questions concerning changes to the global climate system.
2008 | State of the Climate
The combined land and ocean surface temperature in 2007 fell within the 10 highest on record, while the average land temperature was the warmest since...
2002 | State of the Climate
Global temperatures in 2001 were 0.51°C (0.92°F) above the long-term (1880–2000) average, which places 2001 as the second warmest year in the 122-...
2016 | State of the Climate
In 2015, the dominant greenhouse gases released into Earth’s atmosphere—carbon dioxide, methane, and nitrous oxide—all continued to reach new hi...
2000 | State of the Climate
The global climate during 1999 was impacted by Pacific cold episode (La Niña) conditions throughout the year, which resulted in regional precipitatio...
2007 | State of the Climate
The State of the Climate in 2006 report summarizes the year’s weather and climate conditions, both globally and regionally. In addition, the year is...
1995 | State of the Climate
The possibility of long-term climate change continues to be a concern and focus for scientific investigations and for the development of government po...
1994 | State of the Climate
The possibility of long-term climate change continues to be a concern and focus for scientific investigations, development of government policy, and p...
2004 | State of the Climate
The earth’s climate was influenced by a moderate El Niño in the tropical Pacific Ocean at the beginning of 2003. This ENSO warm event developed dur...
2010 | State of the Climate
The year was characterized by a transition from a waning La Niña to a strengthening El Niño, which first developed in June. By December, SSTs were m...
1997 | State of the Climate
The climate of 1996 can be characterized by several phenomena that reflect substantial deviations from the mean state of the atmosphere persisting fro...
1996 | State of the Climate
The El Nino-Southern Oscillation (ENSO) phenomenon is a major contributor to the observed year-to-year variability in the Pacific Ocean and in the glo...
1999 | State of the Climate
The global climate during 1998 was affected by opposite extremes of the ENSO cycle, with one of the strongest Pacific warm episodes (El Niño) in the ...
1998 | State of the Climate
The global climate during 1997 was affected by both extremes of the El NiÒoñSouthern Oscillation (ENSO), with weak Pacific cold episode conditions p...
2009 | State of the Climate
The global mean temperature in 2008 was slightly cooler than that in 2007; however, it still ranks within the 10 warmest years on record. Annual mean ...
2001 | State of the Climate
The global climate in 2000 was again influenced by the long-running Pacific cold episode (La Niña) that began in mid-1998. Consistent with past cold ...
2017 | State of the Climate
In 2016, the dominant greenhouse gases released into Earth’s atmosphere—carbon dioxide, methane, and nitrous oxide— continued to increase and re...
2015 | State of the Climate
Most of the dozens of essential climate variables monitored each year in this report continued to follow their long-term trends in 2014, with several ...
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