{"title":"Records on 1903-04-18","description":"Every record set or tied on 1903-04-18.","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/1903-04-18/","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":"BE000006447-1903-04-18-tmax_low-daily","station_id":"BE000006447","station_name":"Uccle","country":"BE","type":"tmax_low","timescale":"daily","date":"1903-04-18","value":6.2,"unit":"c","previous_value":6.4,"previous_date":"1852-04-18","margin":0.2,"years_stood":50,"significance":22,"tie":false,"provisional":false,"lat":50.8,"lon":4.35},{"id":"SWE00140186-1903-04-18-prcp_high-daily","station_id":"SWE00140186","station_name":"Umea","country":"SE","type":"prcp_high","timescale":"daily","date":"1903-04-18","value":11.1,"unit":"mm","previous_value":4.6,"previous_date":"1888-04-18","margin":6.5,"years_stood":14,"significance":20,"tie":false,"provisional":false,"lat":63.83,"lon":20.28},{"id":"CA008205698-1903-04-18-prcp_high-daily","station_id":"CA008205698","station_name":"Sydney","country":"CA","type":"prcp_high","timescale":"daily","date":"1903-04-18","value":25.9,"unit":"mm","previous_value":16.5,"previous_date":"1875-04-18","margin":9.4,"years_stood":27,"significance":21,"tie":false,"provisional":false,"lat":46.15,"lon":-60.2},{"id":"GME00124486-1903-04-18-snwd_high-daily","station_id":"GME00124486","station_name":"Kirchdorf/Poel","country":"DE","type":"snwd_high","timescale":"daily","date":"1903-04-18","value":10,"unit":"mm","previous_value":0,"previous_date":"1865-04-18","margin":10,"years_stood":37,"significance":15,"tie":false,"provisional":false,"lat":54.0008,"lon":11.4358},{"id":"AU000005901-1903-04-18-tmax_low-daily","station_id":"AU000005901","station_name":"Wien","country":"AT","type":"tmax_low","timescale":"daily","date":"1903-04-18","value":4,"unit":"c","previous_value":5.1,"previous_date":"1877-04-18","margin":1.1,"years_stood":25,"significance":13,"tie":false,"provisional":false,"lat":48.2331,"lon":16.35},{"id":"EIE00101859-1903-04-18-tmin_low-daily","station_id":"EIE00101859","station_name":"Galway","country":"IE","type":"tmin_low","timescale":"daily","date":"1903-04-18","value":-0.6,"unit":"c","previous_value":0.6,"previous_date":"1899-04-18","margin":1.2,"years_stood":3,"significance":9,"tie":false,"provisional":false,"lat":53.28,"lon":-9.02},{"id":"ASN00090015-1903-04-18-prcp_high-daily","station_id":"ASN00090015","station_name":"Cape Otway Lighthouse","country":"AU","type":"prcp_high","timescale":"daily","date":"1903-04-18","value":7.9,"unit":"mm","previous_value":7.6,"previous_date":"1884-04-18","margin":0.3,"years_stood":18,"significance":8,"tie":false,"provisional":false,"lat":-38.8556,"lon":143.5128},{"id":"AU000005901-1903-04-18-tmin_low-daily","station_id":"AU000005901","station_name":"Wien","country":"AT","type":"tmin_low","timescale":"daily","date":"1903-04-18","value":-0.5,"unit":"c","previous_value":-0.3,"previous_date":"1887-04-18","margin":0.2,"years_stood":15,"significance":8,"tie":false,"provisional":false,"lat":48.2331,"lon":16.35},{"id":"EI000003969-1903-04-18-tmin_low-daily","station_id":"EI000003969","station_name":"Dublin Phoenix Park","country":"IE","type":"tmin_low","timescale":"daily","date":"1903-04-18","value":-0.3,"unit":"c","previous_value":-0.1,"previous_date":"1884-04-18","margin":0.2,"years_stood":18,"significance":8,"tie":false,"provisional":false,"lat":53.3639,"lon":-6.3192},{"id":"CA007050200-1903-04-18-snow_high-daily","station_id":"CA007050200","station_name":"Anticosti SW Point","country":"CA","type":"snow_high","timescale":"daily","date":"1903-04-18","value":8,"unit":"mm","previous_value":5,"previous_date":"1893-04-18","margin":3,"years_stood":9,"significance":5,"tie":false,"provisional":false,"lat":49.4,"lon":-63.55},{"id":"ASN00048013-1903-04-18-tmax_high-daily","station_id":"ASN00048013","station_name":"Bourke Post Office","country":"AU","type":"tmax_high","timescale":"daily","date":"1903-04-18","value":35,"unit":"c","previous_value":34.7,"previous_date":"1897-04-18","margin":0.3,"years_stood":5,"significance":4,"tie":false,"provisional":false,"lat":-30.0917,"lon":145.9358}]}