{"title":"Records on 1904-05-30","description":"Every record set or tied on 1904-05-30.","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/1904-05-30/","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":"CA007025280-1904-05-30-tmin_high-daily","station_id":"CA007025280","station_name":"Montreal McGill","country":"CA","type":"tmin_high","timescale":"daily","date":"1904-05-30","value":16.1,"unit":"c","previous_value":15.6,"previous_date":"1879-05-30","margin":0.5,"years_stood":24,"significance":11,"tie":false,"provisional":false,"lat":45.5,"lon":-73.5833},{"id":"CA007050200-1904-05-30-prcp_high-daily","station_id":"CA007050200","station_name":"Anticosti SW Point","country":"CA","type":"prcp_high","timescale":"daily","date":"1904-05-30","value":16.3,"unit":"mm","previous_value":12.2,"previous_date":"1896-05-30","margin":4.1,"years_stood":7,"significance":10,"tie":false,"provisional":false,"lat":49.4,"lon":-63.55},{"id":"UK000003026-1904-05-30-tmax_high-daily","station_id":"UK000003026","station_name":"Stornoway Airport","country":"GB","type":"tmax_high","timescale":"daily","date":"1904-05-30","value":21.1,"unit":"c","previous_value":20.6,"previous_date":"1895-05-30","margin":0.5,"years_stood":8,"significance":6,"tie":false,"provisional":false,"lat":58.33,"lon":-6.32},{"id":"ASN00074128-1904-05-30-tmax_low-daily","station_id":"ASN00074128","station_name":"Deniliquin (Wilkinson St)","country":"AU","type":"tmax_low","timescale":"daily","date":"1904-05-30","value":13.3,"unit":"c","previous_value":13.3,"previous_date":"1865-05-30","margin":0,"years_stood":38,"significance":3,"tie":true,"provisional":false,"lat":-35.5269,"lon":144.952},{"id":"CA008100990-1904-05-30-tmin_high-daily","station_id":"CA008100990","station_name":"Chatham","country":"CA","type":"tmin_high","timescale":"daily","date":"1904-05-30","value":12.2,"unit":"c","previous_value":12.2,"previous_date":"1877-05-30","margin":0,"years_stood":26,"significance":2,"tie":true,"provisional":false,"lat":47.05,"lon":-65.4833},{"id":"EIE00101859-1904-05-30-tmax_high-daily","station_id":"EIE00101859","station_name":"Galway","country":"IE","type":"tmax_high","timescale":"daily","date":"1904-05-30","value":22.2,"unit":"c","previous_value":22.2,"previous_date":"1896-05-30","margin":0,"years_stood":7,"significance":1,"tie":true,"provisional":false,"lat":53.28,"lon":-9.02},{"id":"EIE00101859-1904-05-30-tmin_high-daily","station_id":"EIE00101859","station_name":"Galway","country":"IE","type":"tmin_high","timescale":"daily","date":"1904-05-30","value":12.2,"unit":"c","previous_value":12.2,"previous_date":"1892-05-30","margin":0,"years_stood":11,"significance":1,"tie":true,"provisional":false,"lat":53.28,"lon":-9.02}]}