Temperature lapse adjustment calculator

Calculate adjusted temperature with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use adjusted temperature to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Reference temperature (°C)
20
Reference elevation (m)
100
Target elevation (m)
800
User lapse rate (°C/km)
6.5
Adjusted temperature (°C)
15.45

Try another scenario

Reference temperature (°C)
22
Reference elevation (m)
100
Target elevation (m)
800
User lapse rate (°C/km)
6.5
Adjusted temperature (°C)
17.45
Calculation method

Calculation method

Adjusted temperature (°C)

T target=T reference - lapseRate × elevationDifference/1000.

Symbols and units
a
Reference temperature (°C)
b
Reference elevation (m)
c
Target elevation (m)
d
User lapse rate (°C/km)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • User-specified linear atmosphere; inversions and local weather excluded. Supported limits: All required fields must be finite values of the exact declared type and within displayed bounds. Lists contain1–1000 finite numbers. JSON tables are numeric rectangular rows, at most100 rows and30 columns; individual tools have stricter shape/domain constraints. User-specified linear atmosphere; inversions and local weather excluded.
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