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How the 29 October 2024 rainfall accumulated at Turís
Spain’s weather agency recorded 184.6 mm in one hour, 581 mm in four hours and 771.8 mm in 24 hours at Turís during the Valencia floods.
Sources checked
Selected observation durations. The full table includes all 11 windows and their calculated average rates.
The rainfall concentrated into several hours
The monthly report lists 476.2 mm over three hours and 581 mm over four hours at Turís. The four-hour amount was about 75.3% of the 771.8 mm listed for 24 hours. AEMET’s event analysis shows intense morning and afternoon rainfall in the station’s ten-minute series. Source 1 Source 2
Average intensity and total depth answer different questions
The ten-minute window recorded 42 mm, equivalent to a rate of 252 mm per hour if that ten-minute average were expressed on an hourly basis. The one-hour window recorded 184.6 mm. The rate conversion compares intensity for the measured window. It does not imply that the ten-minute rate persisted for a full hour. Source 1
The national record depended on the duration
AEMET’s regional report says the 20-minute to 12-hour values set national records for their respective windows, except the 30-minute value. At 102.8 mm, the 30-minute Turís total was 0.2 mm below the report’s cited 103 mm record from Vinaròs in 2018. The agency also distinguishes the 24-hour total from the national maximum in its discussion. Source 1
The observation day changes the reported daily amount
The AEMET regional report gives 771.8 mm for the civil day and 710.8 mm for the precipitation observation day. The monthly Turís total was 820.8 mm. These values refer to different reporting windows at one station. They do not describe rainfall across all of Valencia. Source 1