{"title":"Records on 1912-05-09","description":"Every record set or tied on 1912-05-09.","dataAsOf":"2026-10-17T00:00:00Z","lastRevised":"2026-10-18","source":"Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products.","licence":"US Government open data (NOAA NCEI)","page":"https://worldextremeweathermonitor.com/records/1912-05-09/","columns":[{"name":"id","description":"Stable record id: station, date, type and timescale."},{"name":"station_id","description":"GHCN-Daily station id."},{"name":"station_name","description":"Station name."},{"name":"country","description":"ISO 3166 alpha-2 country code."},{"name":"type","description":"Record type: tmax_high, tmax_low, tmin_high, tmin_low, prcp_high, snow_high or snwd_high."},{"name":"timescale","description":"daily, monthly or all-time."},{"name":"date","description":"Date the record was set, YYYY-MM-DD."},{"name":"value","description":"Record value in degrees Celsius or millimetres."},{"name":"unit","description":"c for degrees Celsius, mm for millimetres."},{"name":"previous_value","description":"The record it replaced, in the same unit. Empty for a first record."},{"name":"previous_date","description":"Date of the replaced record."},{"name":"margin","description":"How far the new value beat the old record, a non negative magnitude in the same unit. Zero for a tie."},{"name":"years_stood","description":"Whole years the replaced record had stood."},{"name":"significance","description":"Record Significance Score from 0 to 100 (see /methodology/)."},{"name":"tie","description":"True when the value tied the record."},{"name":"provisional","description":"True while the record is inside the 60 day provisional window."},{"name":"lat","description":"Station latitude in decimal degrees."},{"name":"lon","description":"Station longitude in decimal degrees."}],"rows":[{"id":"GM000004199-1912-05-09-prcp_high-daily","station_id":"GM000004199","station_name":"Munchen-Nymphenburg","country":"DE","type":"prcp_high","timescale":"daily","date":"1912-05-09","value":35.7,"unit":"mm","previous_value":12.5,"previous_date":"1891-05-09","margin":23.2,"years_stood":20,"significance":40,"tie":false,"provisional":false,"lat":48.1667,"lon":11.5025},{"id":"GME00125806-1912-05-09-prcp_high-daily","station_id":"GME00125806","station_name":"Heinersreuth-Vollhof","country":"DE","type":"prcp_high","timescale":"daily","date":"1912-05-09","value":24.5,"unit":"mm","previous_value":18.1,"previous_date":"1879-05-09","margin":6.4,"years_stood":32,"significance":20,"tie":false,"provisional":false,"lat":49.9678,"lon":11.5208},{"id":"UK000056225-1912-05-09-tmin_high-daily","station_id":"UK000056225","station_name":"Oxford","country":"GB","type":"tmin_high","timescale":"daily","date":"1912-05-09","value":12.6,"unit":"c","previous_value":11.9,"previous_date":"1867-05-09","margin":0.7,"years_stood":44,"significance":24,"tie":false,"provisional":false,"lat":51.7667,"lon":-1.2667},{"id":"UK000047811-1912-05-09-tmin_high-daily","station_id":"UK000047811","station_name":"Armagh","country":"GB","type":"tmin_high","timescale":"daily","date":"1912-05-09","value":11.2,"unit":"c","previous_value":11,"previous_date":"1852-05-09","margin":0.2,"years_stood":59,"significance":23,"tie":false,"provisional":false,"lat":54.35,"lon":-6.65},{"id":"GME00121138-1912-05-09-prcp_high-daily","station_id":"GME00121138","station_name":"Regensburg","country":"DE","type":"prcp_high","timescale":"daily","date":"1912-05-09","value":9.6,"unit":"mm","previous_value":6.1,"previous_date":"1879-05-09","margin":3.5,"years_stood":32,"significance":19,"tie":false,"provisional":false,"lat":49.0433,"lon":12.1031},{"id":"ASN00074128-1912-05-09-tmax_high-daily","station_id":"ASN00074128","station_name":"Deniliquin 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