Calculate a weekly mean

This example uses NOAA water sample data.

This example calculates a temperature weekly mean and stores it in a separate bucket.

The sample query performs the following operations:

  • Uses filter() to select records with the average_temperature measurement.
  • Uses range() to define the start time.
  • Uses aggregateWindow() to group records by week and compute the mean.
  • Sends the weekly mean to a new bucket (weekly_means).
option task = {
  name: "weekly-means",
  every: 1w,

from(bucket: "noaa")
  |> filter(fn: (r) => r._measurement == "average_temperature")
  |> range(start: 2019-09-01T11:24:00Z)
  |> aggregateWindow(every:  1w, fn: mean)
  |> to(bucket: "weekly_means")

Example results


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