#2500: Global Temperature Over My Lifetime

XKCD comic, described below.
Transcript

[Graph of temperature over time, titled:]

"Global average temperature

Over my lifetime

[smaller text]

(60-month running June average, NOAA NCEI time series)"

[The X axis is in years, going from 1980 to a little after 2020. Each decade is marked.]

[The Y axis is in °C, with the "20th century average" at the bottom, up to +1°C (from the average), labelled every 0.2°C.]

[Certain points and periods on the graph are marked and contain descriptions of events and actions that occurred in Randall's life.]

November 1982 

Exxon International report predicts that fossil fuel use will raise global temperatures to about 1°C above their normal levels within 40 years

October 1984  

I’m born in Easton, PA

Summer 1991  

I learn to ride a bike

Spring 1992  

My elementary school celebrates Earth Day and I learn about the greenhouse effect

1993-1996  

I get very into Star Wars and Animorphs

Fall 1996  

I stand around awkwardly at my first middle school dance

Spring 2002  

I get accepted into college

Spring 2006  

I somehow graduate despite spending most of my time playing Mario Kart

Summer 2006  

I see An Inconvenient Truth in the theater and feel anxious

Fall 2011  

I get married

Summer 2012  

I read headlines about a global warning “pause” and hope that maybe things aren’t so bad

2013-2021  

I read more about climate science and get steadily more alarmed

Spring 2016  

I read the 1982 Exxon report

June 2020  

Global 60-month average reaches +0.94°C, Easton, PA is 2°C hotter than normal for the fifth year in a row

Today  

(no description)

2022 (near future) 

[Large X within a circle] 1982 Exxon Prediction


(Sourced from explainxkcd.com)

Title text:I was really impressed by the accuracy of some of the report's predictions about fossil fuel consumption. Then I realized, oh, right, of course.


ExplainOriginal