AltitudeAffectsBoiling [rule] v1.0.0

Atmospheric pressure decreases with altitude. Lower pressure means water molecules need less energy to escape the liquid phase — so water boils at a lower temperature. At 1500m the boiling point is approximately 95°C; at 3000m it drops to around 90°C.

Checks

• When altitude > 1500m, expect boiling at < 96°C; allow more steeping time.
• When altitude > 3000m, boiling point is ≈ 90°C; delicate teas will be under-extracted at a normal steep time.
• Never assume 100°C when brewing above 1500m unless using a pressurized vessel.

Label

Altitude Lowers the Boiling Point of Water

AltitudeAffectsBoiling [rule] v1.0.0

Atmospheric pressure decreases with altitude. Lower pressure means water molecules need less energy to escape the liquid phase — so water boils at a lower temperature. At 1500m the boiling point is approximately 95°C; at 3000m it drops to around 90°C.

Checks

• When altitude > 1500m, expect boiling at < 96°C; allow more steeping time.
• When altitude > 3000m, boiling point is ≈ 90°C; delicate teas will be under-extracted at a normal steep time.
• Never assume 100°C when brewing above 1500m unless using a pressurized vessel.

Label

Altitude Lowers the Boiling Point of Water

Relations

related: [@example/fact-water-boils-at-100c, @example/term-celsius] supplies-to: [@example/method-make-tea]

Label

Altitude Lowers the Boiling Point of Water

Supplies To

• @example/method-make-tea