Scientists have recorded that
monthly global average CO2 concentrations has exceeded 400 ppm in March 2015.
Greenhouse gas benchmark reached For the first time since we began tracking carbon dioxide in the global atmosphere,
the monthly global average concentration of this greenhouse gas surpassed 400 parts per million in March 2015, according to NOAA's latest results.
According to the US National Oceanic and Atmospheric Administration (NOAA),
monthly global average concentrations of the gas surpassed 400 parts per million in March 2015 for the first time since the administration began tracking carbon dioxide in the atmosphere.
Even if your diagnosis of monthly average was correct (it isn't),
a monthly global average is not about weather.
I don't think he did anything with cloud height or cloud cover, so I'm confused by your question, but either way the plots reflect
monthly global average data with a 12 running mean applied to smooth out the seasonal cycle.
I compute the trends as simple linear least squares fits through
the monthly global average temperature anomalies for each dataset (from Figure 1).
In May, the National Oceanic and Atmospheric Administration (NOAA) announced that
the monthly global average concentration of carbon dioxide in the atmosphere had exceeded 400 parts per million for the first time since it had been compiling the data in 1979.
Just like the stock market,
monthly global average temperature numbers go up and down with a certain random variance.
Not exact matches
The U.S. Energy Information Administration (EIA) estimates that an
average of 800,000 barrels per day in production were taken offline last month, contributing greatly to May's having the highest
monthly level of unplanned
global oil supply disruptions since the agency began tracking such data in 2011.
This is indicative of the
global market where a total of around US$ 60 billion was issued in August, September and October, compared to a
monthly average of US$ 50 billion prior to the turbulence.
The
Global Economic Policy Uncertainty (EPU) Index is calculated as the GDP - weighted
average of
monthly EPU index values for the U.S., Canada, Brazil, Chile, the U.K., Germany, Italy, Spain, France, the Netherlands, Russia, India, China, South Korea, Japan, Ireland and Australia, using GDP data from the International Monetary Fund's (IMF) World Economic Outlook Database.
Daily records from Manhattan's Central Park show that
average monthly temperatures already increased by 3.6 degrees Fahrenheit from 1901 to 2000 — substantially more than the
global and U.S. trends.
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 the first time in the NOAA record that a
monthly temperature departure from
average exceeded 1 °C or reached 2 °F and the second widest margin by which an all - time
monthly global temperature record has been broken.
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.
July 2016 had the lowest
monthly global temperature departure from
average since August 2015 and tied with August 2015 as the 15th highest
monthly temperature departure among all months (1,639) on record.
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.
This was also the highest
monthly global land temperature departure from
average since April 2016.
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 graphic displays
monthly global temperature data from the U.K. Met Office and charts how each month compares to the
average for the same period from 1850 - 1900, the same baselines used in the most recent report from the Intergovernmental Panel on Climate Change.
Kinne, S., et al., 2003:
Monthly averages of aerosol properties: A
global comparison among models, satellite, and AERONET ground data.
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.
Cupid reports
average monthly global sales of around $ 9 million USD.
The
Global Hot Potato portfolio, rebalanced
monthly, gained an
average of 16.7 % per year from the start of 1981 to the end of 2015.
Over the 14 — year period ending Feb. 28, 2017, the S&P
Global Natural Resources Index, which is designed to provide market participants with an equity - based approach to natural resource investments through its three commodity - related sectors (agribusiness, energy, and metals & mining), has outperformed the S&P
Global BMI by a
monthly average of 36 bps in high - inflation months.
Exhibit 1 shows the rolling two - year correlation of the
average monthly return of unconstrained bond funds to that of the U.S. and
global aggregate bond indices.
UK games rank among the most popular in the world, with Creative Assembly's Total War ™ series seeing a franchise record - breaking
monthly average of 1.2 m
global players in 2017.
Using
monthly -
averaged global satellite records from the International Satellite Cloud Climatology Project (ISCCP [5]-RRB- and the MODerate Resolution Imaging Spectroradiometer (MODIS) in conjunction with Sea Surface Temperature (SST) data from the National Oceanic and Atmospheric (NOAA) extended and reconstructed SST (ERSST) dataset [7] we have examined the reliability of long - term cloud measurements.
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).
I have a question about the availability of
global monthly average temperatures (not anomalies).
This means,
monthly global temperatures have not fallen below
average for...
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.
For the first time since the federal government began tracking carbon dioxide in the
global atmosphere, the
monthly average concentration of this greenhouse gas surpassed 400 parts per million in March 2015, according to latest results.
In
monthly Rasmussen polling over the past two years, an
average of 46 percent of those polled said that natural causes are responsible for
global warming, while an
average of 38 percent answered that human activity is the cause.
Monthly and 12 - month
average global temperature development, showing (with only December data still missing) 2017 will likely rank as the third hottest year on record, despite a developing La Niña.
This southern polar zone experienced
average monthly temperatures as much as 8.7 above the
global average across a relatively broad zone.
Yesterday, NOAA scientists reported that in March 2015 the
monthly average global carbon dioxide level went above 400 parts per million for the first time.
So far, I can think of two ways to produce a single
global series (a row method and a column method, if you will): (1)
average all the available data over all stations by year - month, disregarding any missing values, then
average the
monthly series by year to get
average annual; (2)
average each station by year, omitting any years for each station where there are one or more months missing in the station's data, then
average over all the stations by year.
New reports out from NOAA today showed that in March of this year
global average CO2 levels broke the 400 parts per million
monthly average for the first time in the climate record.
«The latest (February 2012)
monthly global temperature anomaly for the lower atmosphere was minus 0.12 degrees Celsius, slightly less than the
average since the satellite record of temperatures began in 1979.»
In reconstructing the changes in
global mean temperature since 1850, Berkeley Earth has examined 16 million
monthly average temperature observations from 43,000 weather stations.
The NASA GISTEMP
global average surface temperature data have been updated to include January 2016, which had the largest
monthly temperature anomaly ever recorded: 1.13 °C elsius above the 1951 - 1980 baseline.
Hemispheric and
global averages as
monthly and annual values are available as separate files»
I know that the data that is presented on
global temperatures daily,
monthly and yearly, is not raw data; it has had a considerable amount of processing before it is presented as an
average global temperature.
Among the many sources of error they ignored are: measurement error of the satellite, error in
averaging satellite measurements to a
monthly «regional»
average, error in
averaging those to a «
global annual mean net».
When scientists in the 1960s - 70s compiled data to build their
global average temperature series they used state
averages of
monthly mean temperatures from weather stations around the world.
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).
Monthly averages of
global mean surface temperature (GMST) include natural variability, and they are influenced by the differing heat capacities of the oceans and land masses.
Running twelve - month
averages of
global - mean and European - mean surface air temperature anomalies relative to 1981 - 2010, based on
monthly values from January 1979 to March 2018.