Enter a term in the search box to find its definition.
Settings
Use the controls in the far right panel to increase or decrease the number of terms automatically displayed (or to completely turn that feature off).
Term Lookup
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All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.
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You will need to download and uncompress at least one land station data set, and if desired an ocean data set.
Select the files and calculation type in the panel below and click 'calculate'. Using the table at the bottom of the page you can review, compare and save the results of up to 5 calculations. Click a graph to produce a downloadable version.
Show:InputOutput Status:Waiting for input
Land station data:
CRU
GISS
Sea surface data:
Start date:
1850
1880
Baseline period:
61-90
51-80
Station area of influence:
box
1200
Station types:
Rural/Semi/Urban - GHCN only
RSU
R
Fill land→ocean
☑
☑
Fill ocean→land
☑
☐
Grid type:
angle
area
Month
J
F
M
A
M
J
J
A
S
O
N
D
Latitude
90S
75
60
45
30
15
00
15
30
45
60
75
90N
Graph options
Moving average:
months
Show:
Global Land Ocean
Trend:
From to °C/decade
Experiment
Time
Show
Show
The Skeptical Science Instrumental Temperature Record Calculator was created by Kevin C. See here for more information.