Looks like we have the 99th and 50th percentiles available, they are listed as different "measurements". There aren't a ton of options for these because of how the data is created - extracting a field form the nginx log, convert to log based metric of type "distribution", then exported/imported to influxdb as the 3 different measurements.
Bug 1605391 Comment 9 Edit History
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Looks like we have the 99th and 50th percentiles available, they are listed as different "measurements". There aren't a ton of options for these because of how the data is created - extracting a field form the nginx log, convert to log based metric of type "distribution", then exported/imported to influxdb as the 3 different measurements. I added the two other measurements, if you refresh the page you should see them now.