Indicate values flow meter values correspond to end of month

[denningta]

(Amy Jackson)

An indication of whether values correspond to the beginning or end of the listed month would be helpful. My convention has been to list the readings from the end of the month, but this should be stated somewhere so that all users do it the same way.

[denningta]

64e5152b4ae7247d3c85e67d000fc1ad36924b4a