{"title":"Records on 1903-06-18","description":"Every record set or tied on 1903-06-18.","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/1903-06-18/","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":"SWE00140746-1903-06-18-prcp_high-daily","station_id":"SWE00140746","station_name":"Jokkmokk","country":"SE","type":"prcp_high","timescale":"daily","date":"1903-06-18","value":14.7,"unit":"mm","previous_value":10.7,"previous_date":"1866-06-18","margin":4,"years_stood":36,"significance":20,"tie":false,"provisional":false,"lat":66.6297,"lon":19.64},{"id":"UK000056225-1903-06-18-tmax_low-daily","station_id":"UK000056225","station_name":"Oxford","country":"GB","type":"tmax_low","timescale":"daily","date":"1903-06-18","value":10.8,"unit":"c","previous_value":13.8,"previous_date":"1888-06-18","margin":3,"years_stood":14,"significance":21,"tie":false,"provisional":false,"lat":51.7667,"lon":-1.2667},{"id":"UK000047811-1903-06-18-tmax_low-daily","station_id":"UK000047811","station_name":"Armagh","country":"GB","type":"tmax_low","timescale":"daily","date":"1903-06-18","value":11.1,"unit":"c","previous_value":12.1,"previous_date":"1866-06-18","margin":1,"years_stood":36,"significance":20,"tie":false,"provisional":false,"lat":54.35,"lon":-6.65},{"id":"SWE00140492-1903-06-18-prcp_high-daily","station_id":"SWE00140492","station_name":"Pitea","country":"SE","type":"prcp_high","timescale":"daily","date":"1903-06-18","value":11.5,"unit":"mm","previous_value":9.7,"previous_date":"1867-06-18","margin":1.8,"years_stood":35,"significance":17,"tie":false,"provisional":false,"lat":65.3197,"lon":21.49},{"id":"CA006104185-1903-06-18-tmax_low-daily","station_id":"CA006104185","station_name":"Kingston Queens U","country":"CA","type":"tmax_low","timescale":"daily","date":"1903-06-18","value":15.6,"unit":"c","previous_value":17.2,"previous_date":"1879-06-18","margin":1.6,"years_stood":23,"significance":14,"tie":false,"provisional":false,"lat":44.25,"lon":-76.5},{"id":"UK000003026-1903-06-18-tmax_low-daily","station_id":"UK000003026","station_name":"Stornoway Airport","country":"GB","type":"tmax_low","timescale":"daily","date":"1903-06-18","value":11.1,"unit":"c","previous_value":11.7,"previous_date":"1885-06-18","margin":0.6,"years_stood":17,"significance":10,"tie":false,"provisional":false,"lat":58.33,"lon":-6.32},{"id":"CA005023243-1903-06-18-tmin_low-daily","station_id":"CA005023243","station_name":"Winnipeg St Johns Coll","country":"CA","type":"tmin_low","timescale":"daily","date":"1903-06-18","value":2.8,"unit":"c","previous_value":3.3,"previous_date":"1886-06-18","margin":0.5,"years_stood":16,"significance":9,"tie":false,"provisional":false,"lat":49.8833,"lon":-97.1167},{"id":"USW00094728-1903-06-18-tmax_low-daily","station_id":"USW00094728","station_name":"Ny City Cntrl Park","country":"US","type":"tmax_low","timescale":"daily","date":"1903-06-18","value":17.8,"unit":"c","previous_value":18.3,"previous_date":"1891-06-18","margin":0.5,"years_stood":11,"significance":7,"tie":false,"provisional":false,"lat":40.7789,"lon":-73.9692},{"id":"EI000003969-1903-06-18-tmax_low-daily","station_id":"EI000003969","station_name":"Dublin Phoenix Park","country":"IE","type":"tmax_low","timescale":"daily","date":"1903-06-18","value":12.9,"unit":"c","previous_value":13.2,"previous_date":"1897-06-18","margin":0.3,"years_stood":5,"significance":4,"tie":false,"provisional":false,"lat":53.3639,"lon":-6.3192},{"id":"USW00014734-1903-06-18-tmax_low-daily","station_id":"USW00014734","station_name":"Newark Liberty Intl AP","country":"US","type":"tmax_low","timescale":"daily","date":"1903-06-18","value":16.1,"unit":"c","previous_value":16.1,"previous_date":"1857-06-18","margin":0,"years_stood":45,"significance":4,"tie":true,"provisional":false,"lat":40.6828,"lon":-74.1692},{"id":"CA006166416-1903-06-18-tmax_low-daily","station_id":"CA006166416","station_name":"Peterborough","country":"CA","type":"tmax_low","timescale":"daily","date":"1903-06-18","value":17.8,"unit":"c","previous_value":17.8,"previous_date":"1866-06-18","margin":0,"years_stood":36,"significance":3,"tie":true,"provisional":false,"lat":44.2833,"lon":-78.3167},{"id":"CA006166416-1903-06-18-tmin_low-daily","station_id":"CA006166416","station_name":"Peterborough","country":"CA","type":"tmin_low","timescale":"daily","date":"1903-06-18","value":6.7,"unit":"c","previous_value":6.7,"previous_date":"1877-06-18","margin":0,"years_stood":25,"significance":2,"tie":true,"provisional":false,"lat":44.2833,"lon":-78.3167},{"id":"CA007025280-1903-06-18-tmax_low-daily","station_id":"CA007025280","station_name":"Montreal McGill","country":"CA","type":"tmax_low","timescale":"daily","date":"1903-06-18","value":17.2,"unit":"c","previous_value":17.2,"previous_date":"1879-06-18","margin":0,"years_stood":23,"significance":2,"tie":true,"provisional":false,"lat":45.5,"lon":-73.5833}]}