sensortoolkit.calculate._uptime

This module computes the uptime for sensor or reference datasets.

U.S. EPA’s Performance Targets Reports define uptime in the following way:

A measure of the amount of valid data obtained by all tested sensors relative to the amount of data that was expected to be obtained under correct, normal operation for the entire length of a test. For example, if valid data is collected by all three sensors for 29 days of a 30-day base test field deployment the uptime for the deployment can be expressed as 96.7% (i.e., 29 days/30 days * 100%). Operation may be interrupted by sensor failure, connectivity issues, equipment maintenance, extreme weather events, etc. No matter the reason for missing data, all downtime should be included in the uptime calculation. However, tests may report more information such as specifying the percent of downtime attributed to various types of interruptions.

@Author:
Samuel Frederick, NSSC Contractor (ORAU)
U.S. EPA / ORD / CEMM / AMCD / SFSB
Created:

Fri Apr 24 13:03:32 2020

Last Updated:

Tue Nov 24 16:58:00 2020

Functions

uptime

Compute uptime for either sensor or reference data.