Across the oceans,
the average global ocean surface temperature during November 2017 was 0.62 °C (1.12 °F) above the 20th century average of 15.8 °C (60.4 °F)-- the fourth highest November temperature in the 138 - year record.
Not exact matches
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
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
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).
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).
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.
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
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
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.
June — August 2014, at 0.71 °C (1.28 °F) higher than the 20th century
average, was the warmest such period across
global land and
ocean surfaces since record keeping began in 1880, edging out the previous record set in 1998.
June 2013 tied with 2006 as the fifth warmest June across
global land and
ocean surfaces, at 0.64 °C (1.15 °F) above the 20th century
average of 15.5 °C (59.9 °F).
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).
With ENSO - neutral conditions present during the first half of 2013, the January — June
global temperature across land and
ocean surfaces tied with 2003 as the seventh warmest such period, at 0.59 °C (1.06 °F) above the 20th century
average.
We rejected any years in which there were missing months from the HadSST3 data analysis and we also calculated the
global averages only for years in which at least half of the
ocean surface consisted of valid data.
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.
These rising atmospheric greenhouse gas concentrations have led to an increase in
global average temperatures of ~ 0.2 °C decade — 1, much of which has been absorbed by the
oceans, whilst the oceanic uptake of atmospheric CO2 has led to major changes in
surface ocean pH (Levitus et al., 2000, 2005; Feely et al., 2008; Hoegh - Guldberg and Bruno, 2010; Mora et al., 2013; Roemmich et al., 2015).
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).
(1) The warm sea
surface temperatures are not just some short - term anomaly but are part of a long - term observed warming trend, in which
ocean temperatures off the US east coast are warming faster than
global average temperatures.
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 °F).
«
Global mean time series of surface - and satellite - observed low - level and total cloud cover exhibit very large discrepancies, however, implying that artifacts exist in one or both data sets... The surface - observed low - level cloud cover time series averaged over the global ocean appears suspicious because it reports a very large 5 % - sky - cover increase between 1952 and
Global mean time series of
surface - and satellite - observed low - level and total cloud cover exhibit very large discrepancies, however, implying that artifacts exist in one or both data sets... The
surface - observed low - level cloud cover time series
averaged over the
global ocean appears suspicious because it reports a very large 5 % - sky - cover increase between 1952 and
global ocean appears suspicious because it reports a very large 5 % - sky - cover increase between 1952 and 1997.
The June globally
averaged sea
surface temperature was 1.39 °F above the 20th century monthly
average of 61.5 °F — the highest
global ocean temperature for June in the 1880 — 2016 record, surpassing the previous record set in 2015 by 0.05 °F.
The year - to - date temperature across
global land and
ocean surfaces was 1.89 °F above the 20th century
average of 56.3 °F.
The May globally
averaged sea
surface temperature was 1.37 °F above the 20th century monthly
average of 61.3 °F — the highest
global ocean temperature for May in the 1880 — 2016 record, surpassing the previous record set in 2015 by 0.09 °F.
The June — August
average temperature across
global land and
ocean surfaces was 1.60 °F above the 20th century
average of 60.1 °F.
The August temperature across
global land and
ocean surfaces was 1.66 °F above the 20th century
average of 60.1 °F.
Similar to the March — May
global land and
ocean surface temperature, the March — May land
surface temperature was also the fourth highest three - month departure from
average for any three - month period on record.
The April temperature across
global land and
ocean surfaces was 1.98 °F above the 20th century
average of 56.7 °F.
The April globally
averaged sea
surface temperature was 1.44 °F above the 20th century monthly
average of 60.9 °F — the highest
global ocean temperature for April in the 1880 — 2016 record, surpassing the previous record set in 2015 by 0.25 °F and besting 1998, the last time a similar strength El Niño occurred, by 0.43 °F.
The July globally
averaged sea
surface temperature was 1.42 °F above the 20th century monthly
average of 61.5 °F — the highest
global ocean temperature for July in the 1880 — 2016 record, surpassing the previous record set in 2015 by 0.07 °F.
The July temperature across
global land and
ocean surfaces was 1.57 °F above the 20th century
average of 60.4 °F.
The May temperature across
global land and
ocean surfaces was 1.57 °F above the 20th century
average of 58.6 °F.
During the final month, the December combined
global land and
ocean average surface temperature was the highest on record for any month in the 136 - year record.
The September globally
averaged sea
surface temperature was 1.33 °F above the 20th century monthly
average of 61.1 °F, tying with 2014 as the second highest
global ocean temperature for September in the 1880 — 2016 record, behind 2015 by 0.16 °F.
The October temperature across
global land and
ocean surfaces was 1.31 °F above the 20th century
average of 57.1 °F.
The September — November temperature across
global land and
ocean surfaces was 1.39 °F above the 20th century
average of 57.1 °F.
The November temperature across
global land and
ocean surfaces was 1.31 °F above the 20th century
average of 55.2 °F.
During the final month, the December combined
global land and
ocean average surface temperature was the third highest for December in the 137 - year record.
The September temperature across
global land and
ocean surfaces was 1.60 °F above the 20th century
average of 59.0 °F.
Cooling sea -
surface temperatures over the tropical Pacific
Ocean — part of a natural warm and cold cycle — may explain why
global average temperatures have stabilized in recent years, even as greenhouse gas emissions have been warming the planet.
Ray, I think Lee Grable's point is important: The fact that we use the term «
global temperature» to mean the
average temperature on a two - dimensional
surface rather than the three - dimensional
ocean plus land plus atmosphere system of the earth has the potential to allow confusion.
-- 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.
The
global ocean surface temperature for the year to date was 0.34 °C (0.61 °F) above the 20th century
average and was the 14th warmest such period on record.
The
global ocean surface temperature for the same period was 0.33 °C (0.59 °F) above the 20th century
average and was the 15th warmest such period on record.
«The combined
average temperature over
global land and
ocean surfaces tied with 2010 as the highest on record for April, at 58.09 °F (14.47 °C) or 1.39 °F (0.77 °C) above the 20th century
average.»
Global average air temperature near the
surface is dominated by the
ocean (because it covers two thirds of the planet), particularly at low latitudes.
My amateur spreadsheet tracking and projecting the monthly NASA GISS values suggests that while 2018 and 2019 are likely to be cooler than 2017, they may also be the last years on Earth with
global average land and
ocean surface temperature anomaly below 1C above pre-industrial
average (using 1850 - 1900 proxy).
Redistribution of heat (such as vertical transport between the
surface and the deeper
ocean) could cause some
surface and atmospheric temperature change that causes some
global average warming or cooling.
«The
average global temperature anomaly for combined land and
ocean surfaces for July (based on preliminary data) was 1.1 degrees F (0.6 degrees C) above the 1880 - 2004 long - term mean.
«Another recent paper used a different NOAA
ocean surface temperature data set to find that since 2003 the
global average ocean surface temperature has been rising at a rate that is an order of magnitude smaller than the rate of increase reported in Karl's paper.»
Clearly the rate at which TOA imbalance diffuses into and through the
global ocean is key to how much and how quickly
global average surface temperature will rise over any given span of time.
Anthropogenic GHG warming is about the Earth's energy balance, and thus, looking at an
average global near -
surface temperature, or the total
ocean heat content can tell us something useful about that energy balance.
This February's sea
surface temperatures were 1.46 degrees above
average, which means the past nine months have been the nine highest monthly
global ocean temperature departures on record.