Global Temperature Report: August 2016

  • Date: 02/09/16
  • Anthony Watts, Watts Up With That

August 2016 and 2016-to-date are second warmest

August2016_globe

Notes on data released Sept. 1, 2016:

Through the first eight months of the year, 2016 seems to be racing toward what might be its place in history — as the second warmest year in the satellite temperature record. But just by a little bit, according to Dr. John Christy, director of the Earth System Science Center at The University of Alabama in Huntsville. “While global average temperatures peaked higher this year than they did in 1998, temperatures fell faster this spring and summer to levels that are cooler than they were at this same time of year in 1998. We had three months this year that were warmer than their 1998 counterparts, and five that were cooler. There is really no reliable way of predicting what the next four months will do, compared to those same months in 1998.”

Global climate trend since Nov. 16, 1978: +0.12 C per decade

August2016_graph
August temperatures (preliminary)

Global composite temp.: +0.44 C (about 0.79 degrees Fahrenheit) above 30-year average for August.
Northern Hemisphere: +0.55 C (about 0.99 degrees Fahrenheit) above 30-year average for August.
Southern Hemisphere: +0.32 C (about 0.58 degrees Fahrenheit) above 30-year average for August.
Tropics: +0.59 C (about 0.90 degrees Fahrenheit) above 30-year average for August.

July temperatures (revised):

Global Composite: +0.39 C above 30-year average
Northern Hemisphere: +0.48 C above 30-year average
Southern Hemisphere: +0.30 C above 30-year average
Tropics: +0.48 C above 30-year average
(All temperature anomalies are based on a 30-year average (1981-2010) for the month reported.)

1998 and 2016

Month-by-month comparison

1998  1  +0.48   2016  1  +0.54
1998  2  +0.65   2016  2  +0.83
1998  3  +0.47   2016  3  +0.73
1998  4  +0.74   2016  4  +0.71
1998  5  +0.64   2016  5  +0.55
1998  6  +0.57   2016  6  +0.34
1998  7  +0.51   2016  7  +0.39
1998  8  +0.52   2016  8  +0.44

The 2015-2016 El Niño Pacific Ocean warming event is officially over, and sea surface temperatures in the equatorial eastern Pacific Ocean are cooler than normal, which should augur a coming decline in atmospheric temperatures as heat released into the atmosphere as the ocean cooled is itself released into space. 1998 was also the second year of an El Niño Pacific Ocean warming event.

January – August composite

Global average anomalies 

1.   1998     0.5725
2.   2016     0.5662
3.   2010     0.4000
4.   2002     0.2462
5.   2015     0.2150
6.   2007     0.2087
7.   2005     0.1987
8.   2014     0.1637
9.   2003     0.1587
10.   1991     0.1312
11.   2013     0.1275
12.   2001     0.1075
13.   2006     0.0950
14.   2004     0.0875
15.   1988     0.0837
16.   1995     0.0800
17.   2009     0.0375
18.   2011     0.0225
19.   1987     0.0162
20.   1980     0.0075
21.   1983     0.0025
22.   2012   -0.0062
23.   1999   -0.0071
24.   1990   -0.0212
25.   1996   -0.0287
26.   2000   -0.0375
27.   1997   -0.0712
28.   1994   -0.0862
29.   1981   -0.1012
30.   2008   -0.1650
31.   1986   -0.2200
32.   1984   -0.2250
33.   1993   -0.2400
34.   1992   -0.2612
35.   1989   -0.2637
36.   1979   -0.2662
37.   1982   -0.3025
38.   1985   -0.3737

With temperatures that were 0.55 C (about 0.99° F) warmer than seasonal norms, August 2016 was the warmest August in the Northern Hemisphere in the satellite temperature record. August 1998 was second warmest at 0.49 C warmer than normal. August 2016 was the second warmest August in the tropics, trailing August 2015 0.52 to 0.50 C. It was the third warmest in the Southern Hemisphere, where the August 2016 average was 0.32 C warmer than normal. August 1998’s Southern Hemisphere average was hottest at 0.54 C warmer than seasonal norms.

Compared to seasonal norms, the warmest average temperature anomaly on Earth in August was southwest of Dome F in East Antarctica. August temperatures there averaged 4.91 C (about 8.84 degrees F) warmer than seasonal norms. Compared to seasonal norms, the coolest average temperature on Earth in August was about 1,500 miles north of West Antarctica, in the region where the South Pacific meets the southern ocean. August’s temperatures there averaged 2.78 C (about 5.00 degrees F) cooler than seasonal norms.

The complete version 6 beta lower troposphere dataset is available here:
http://vortex.nsstc.uah.edu/data/msu/v6.0beta/tlt/uahncdc_lt_6.0beta5.txt

Archived color maps of local temperature anomalies are available on-line at:
http://nsstc.uah.edu/climate/

Full post

Recent Popular Articles


We use cookies to help give you the best experience on our website. By continuing without changing your cookie settings, we assume you agree to this. Please read our privacy policy to find out more.