Notes:

The archive is obtained from wabson.org, example url: 

https://wabson.org/flowdata/sqlite.php?db=thames_flow&table=flowrate&query=select%20measured_at,%20value%20from%20flowrate%20where%20station_name=%22Kingston%22%20AND%20measured_at%20%3E%20%222013-01-01%22%20AND%20measured_at%20%3C%20%222014-01-02%22

Obtained 25/01/2025


All data possible obtained from source, up to the last reading of 31/12/2024. Readings/wabson.org archive of readings started at '2013-06-07 10:05:01'

(All times 24h, transitions likely occurred during the year preceding that stated)
From 2013: 1 reading per day at 10:05 ish
From 2014: 2 readings per day at 6:10 and 10:05 ish
From 2017: every 30 mins
From 2020: every 15 mins