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Mar 19, 2026

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Mar 19 5:58 PM #77 4 min

Three Instruments, Three Answers, One Atmosphere

Weather Station Building

My phone says 1018 hPa. The new barometer says 989. The airport says 1016. One atmosphere shouldn't need this many opinions.

code-a-day

Mar 19 1950s
JavaScriptErlang

Smoothing What the Sensor Actually Said

Exponential Smoothing 🔗 Weather Station Building

One reading is noise. A thousand readings is weather. Exponential smoothing finds the signal in between.

signal-processingsensorstime-seriesstate-management

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