The combined global land and ocean
average surface temperature for June 2017 was one the warmest on record.
Nothing in the Met Office's statement or in Nuticelli's argument effectively refutes Rose's argument that there has been no increase in the global
average surface temperature for the past 16 years.
The WMO's preliminary estimate, based on data from January to October, shows that the global
average surface temperature for 2015 so far is around 0.73 °C above the 1961 - 1990 average of 14 °C, and approximately 1 °C above the pre-industrial 1880 - 1899 period.
We used the boreal - winter month
average surface temperature for the Northern Hemisphere with the linear trend removed.
effectively refutes Mr Rose's argument that there has been no increase in the global
average surface temperature for the past 16 years.
Figure 8 shows the projected change in global
average surface temperature for the various SRES.
But 2015 is the height of a very large El Niño, a quasi-periodic warming of tropical Pacific waters that is known to kite global
average surface temperature for a year or so.
Since publication of the AR4, nature has thrown the IPCC a «curveball» — there has been no significant increase in global
average surface temperature for the past 15 + years.
-- The combined global land and ocean
average surface temperature for the December — February period was 0.41 °C (0.74 °F) above the 20th century average of 12.1 °C (53.8 °F), making it the 17th warmest such period on record and the coolest December — February since 2008.
NOAA said the combined global land and ocean
average surface temperature for the January - October period was 0.68 °C (1.22 °F) above the 20th century average of 14.1 °C (57.4 °F).
Please note that I don't rule anything out («The terms global temperature and regional temperature will be used here to refer to some kind of
averaged surface temperature for the globe or for a region.
Note: The terms global temperature and regional temperature will be used here to refer to some kind of
averaged surface temperature for the globe or for a region.
Global
average surface temperatures for each year with their respective uncertainties (width of the curves) from Berkeley Earth.
It's also worth noting that according to the instrumental temperature record,
average surface temperatures for 1982 — 2012 have been about 0.2 °C hotter than the 1970 — 2000 average.
Not exact matches
The researchers looked at annual maximum land
surface temperatures averaged across 8 - day periods throughout the year
for every 1 - square kilometer (247 acres) pixel on Earth.
«There has been an
average of one additional tropical cyclone
for each 0.1 - degree Celsius increase in sea
surface temperature and one hurricane
for each 0.2 - degree Celsius rise,» they write in Philosophical Transactions of the Royal Society A.
The results show that even though there has been a slowdown in the warming of the global
average temperatures on the
surface of Earth, the warming has continued strongly throughout the troposphere except
for a very thin layer at around 14 - 15 km above the
surface of Earth where it has warmed slightly less.
Under midrange projections
for economic growth and technological change, the planet's
average surface temperature in 2050 will be about two degrees Celsius (3.6 degrees Fahrenheit) higher than its preindustrial value.
Land and Ocean Combined: The combined
average temperature over global land and ocean
surfaces for August 2014 was the record highest
for the month, at 61.45 °F (16.35 °C), or 1.35 °F (0.75 °C) above the 20th century
average of 60.1 °F (15.6 °C).
The global
average temperature over land and ocean
surfaces for January to October 2014 was the highest on record, according to the U.S. National Oceanic and Atmospheric Administration (NOAA).
According to NOAA scientists, the globally
averaged temperature over land and ocean
surfaces for August 2014 was the highest
for August since record keeping began in 1880.
Maps of median TAE
averaged across 23 model simulations
for (a) and (b) mean
surface air
temperature, (c) and (d) highest daily maximum
temperature, (e) and (f) lowest daily minimum
temperature, (g) and (h) total precipitation, and (i), (j) maximum 1 - d precipitation
for (a), (c), (e), (g) and (i) June - August and (b), (d), (f), (h) and (j) December - February.
Ocean Only: The August global sea
surface temperature was 1.17 °F (0.65 °C) above the 20th century
average of 61.4 °F (16.4 °C), the highest on record
for August.
Warmer than
average temperatures were evident over most of the global land
surface, except
for parts of western Europe, northern Siberia, parts of eastern Asia and much of central Australia stretching north.
Ocean Only: The global ocean
surface temperature for the year to date was 0.99 °F (0.55 °C) above
average, tying with 2010 as the second warmest such period on record, behind only 1998.
Ocean Only: The June - August global sea
surface temperature was 1.13 °F (0.63 °C), above the 20th century
average of 61.5 °F (16.4 °C), the highest
for June - August on record.
2017 is also the 41st consecutive year that global
surface temperatures exceeded the
average for the 20th century, according to NOAA.
During 2016,
average temperatures were the highest reported since record keeping began in 1880, reaching 1.69 degrees F (0.94 degrees C) above the
average for land and sea
surfaces in the 20th century.
Climate model simulations suggest that on
average, as the
surface temperature and moisture increases the conditions
for thunderstorms becomes more frequent.
Warmer than
average temperatures were evident over most of the global land
surfaces, except
for parts of the United States and western Europe, northern Siberia, parts of eastern Asia and much of central Australia stretching north.
The
average temperature across land
surfaces was not far behind, at fifth highest
for June — August.
Nevertheless, Earthlings would not mistake Gliese 581g
for their home planet — in addition to its so - called super-Earth dimensions, it orbits a star far smaller and dimmer than the sun, and its
average surface temperatures would vary dramatically, from well below freezing on its night side to scorching hot on the day side.
The
average global sea
surface temperature tied with 2010 as the second highest
for January — August in the 135 - year period of record, behind 1998, while the
average land
surface temperature was the fifth highest.
With records dating back to 1880, the global
temperature across the world's land and ocean
surfaces for August 2014 was 0.75 °C (1.35 °F) higher than the 20th century
average of 15.6 °C (60.1 °F).
«The World Meteorological Organization (WMO) said global land
surface temperatures in January and April were likely the warmest since records began in 1880, at more than 1 degree Celsius higher than
average for those months.
and solving
for dT / dQ, then solving
for T = 288 K (
average surface temperature), I get dT / dQ = 0.18 W / m2.
Global mean
temperatures averaged over land and ocean
surfaces, from three different estimates, each of which has been independently adjusted
for various homogeneity issues, are consistent within uncertainty estimates over the period 1901 to 2005 and show similar rates of increase in recent decades.
The annually -
averaged temperature for ocean
surfaces around the world was 0.74 °C (1.33 °F) higher than the 20th century
average, easily breaking the previous record of 2014 by 0.11 °C (0.20 °F).
Figure 2: The data (green) are the
average of the NASA GISS, NOAA NCDC, and HadCRUT4 monthly global
surface temperature anomaly datasets from January 1970 through November 2012, with linear trends
for the short time periods Jan 1970 to Oct 1977, Apr 1977 to Dec 1986, Sep 1987 to Nov 1996, Jun 1997 to Dec 2002, and Nov 2002 to Nov 2012 (blue), and also showing the far more reliable linear trend
for the full time period (red).
This is defined as the change in
average global
surface temperature for a given amount of carbon dioxide accumulated in the atmosphere.
In a key region of the tropical Pacific, the November
average sea
surface temperature beat out records from 1983 and 1997, according to the European Centre
for Medium - Range Weather Forecasts.
The 1901 - 2000
average combined land and ocean annual
temperature is 13.9 °C (56.9 °F), the annually
averaged land
temperature for the same period is 8.5 °C (47.3 °F), and the long - term annually
averaged sea
surface temperature is 16.1 °C (60.9 °F).
With the contribution of such record warmth at year's end and with 10 months of the year record warm
for their respective months, including the last 8 (January was second warmest
for January and April was third warmest), the
average global
temperature across land and ocean
surface areas
for 2015 was 0.90 °C (1.62 °F) above the 20th century
average of 13.9 °C (57.0 °F), beating the previous record warmth of 2014 by 0.16 °C (0.29 °F).
The globally
averaged temperature over land and ocean
surfaces for February 2017 was the second highest
for the month.
Across the world's oceans, the September — November
average sea
surface temperature was 0.84 °C (1.51 °F) above the 20th century
average of 16.0 °C (60.7 °F), the highest
for September — November on record, surpassing the previous record set last year by 0.27 °C (0.15 °F).
For the oceans, the November global sea surface temperature was 0.84 °C (1.51 °F) above the 20th century average of 15.8 °C (60.4 °F), the highest for November on record, surpassing the previous record set last year by 0.20 °C (0.36 °
For the oceans, the November global sea
surface temperature was 0.84 °C (1.51 °F) above the 20th century
average of 15.8 °C (60.4 °F), the highest
for November on record, surpassing the previous record set last year by 0.20 °C (0.36 °
for November on record, surpassing the previous record set last year by 0.20 °C (0.36 °F).
Separately, the global land
surface temperature was 1.89 °C (3.40 °F) above
average, the highest on record
for December, surpassing the previous record set in 2006 by 0.48 °C (0.86 °F).
The globally
averaged temperature over land and ocean
surfaces for March 2017 was the second highest
for the month.
The December 2015 globally -
averaged temperature across land and ocean
surfaces was 1.11 °C (2.00 °F) above the 20th century
average of 12.2 °C (54.0 °F), the highest
for any month since records began in 1880, surpassing the previous all - time record set two months ago in October by 0.12 °C (0.21 °F).
The June
temperature for the mid-troposphere (roughly 2 miles to 6 miles above the
surface) was the fifth highest
for June in the 1979 — 2016 record, at 0.50 °F above the 1981 — 2010
average, as analyzed by UAH.