{"title":"Records on 1899-09-30","description":"Every record set or tied on 1899-09-30.","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/1899-09-30/","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":"ASN00086071-1899-09-30-tmax_low-monthly","station_id":"ASN00086071","station_name":"Melbourne Regional Office","country":"AU","type":"tmax_low","timescale":"monthly","date":"1899-09-30","value":8.8,"unit":"c","previous_value":8.9,"previous_date":"1863-09-03","margin":0.1,"years_stood":36,"significance":24,"tie":false,"provisional":false,"lat":-37.8075,"lon":144.97},{"id":"EI000003969-1899-09-30-tmax_low-monthly","station_id":"EI000003969","station_name":"Dublin Phoenix Park","country":"IE","type":"tmax_low","timescale":"monthly","date":"1899-09-30","value":9.3,"unit":"c","previous_value":11,"previous_date":"1882-09-27","margin":1.7,"years_stood":17,"significance":24,"tie":false,"provisional":false,"lat":53.3639,"lon":-6.3192},{"id":"ASN00074128-1899-09-30-tmax_low-daily","station_id":"ASN00074128","station_name":"Deniliquin (Wilkinson St)","country":"AU","type":"tmax_low","timescale":"daily","date":"1899-09-30","value":14.4,"unit":"c","previous_value":16.4,"previous_date":"1858-09-30","margin":2,"years_stood":40,"significance":21,"tie":false,"provisional":false,"lat":-35.5269,"lon":144.952},{"id":"SWE00100003-1899-09-30-prcp_high-daily","station_id":"SWE00100003","station_name":"Vaexjoe","country":"SE","type":"prcp_high","timescale":"daily","date":"1899-09-30","value":12.8,"unit":"mm","previous_value":8.9,"previous_date":"1871-09-30","margin":3.9,"years_stood":28,"significance":19,"tie":false,"provisional":false,"lat":56.8667,"lon":14.8},{"id":"SWE00137832-1899-09-30-prcp_high-daily","station_id":"SWE00137832","station_name":"Kalmar_D","country":"SE","type":"prcp_high","timescale":"daily","date":"1899-09-30","value":12.6,"unit":"mm","previous_value":10.3,"previous_date":"1862-09-30","margin":2.3,"years_stood":36,"significance":19,"tie":false,"provisional":false,"lat":56.69,"lon":16.35},{"id":"SWE00137568-1899-09-30-prcp_high-daily","station_id":"SWE00137568","station_name":"Lund","country":"SE","type":"prcp_high","timescale":"daily","date":"1899-09-30","value":12,"unit":"mm","previous_value":9.3,"previous_date":"1878-09-30","margin":2.7,"years_stood":20,"significance":13,"tie":false,"provisional":false,"lat":55.7,"lon":13.2},{"id":"ASN00086085-1899-09-30-prcp_high-daily","station_id":"ASN00086085","station_name":"Narre Warren North (Narre Warr","country":"AU","type":"prcp_high","timescale":"daily","date":"1899-09-30","value":17,"unit":"mm","previous_value":11.4,"previous_date":"1897-09-30","margin":5.6,"years_stood":1,"significance":10,"tie":false,"provisional":false,"lat":-37.9897,"lon":145.3356},{"id":"UK000047811-1899-09-30-tmax_low-daily","station_id":"UK000047811","station_name":"Armagh","country":"GB","type":"tmax_low","timescale":"daily","date":"1899-09-30","value":10.2,"unit":"c","previous_value":10.9,"previous_date":"1888-09-30","margin":0.7,"years_stood":10,"significance":10,"tie":false,"provisional":false,"lat":54.35,"lon":-6.65},{"id":"ASN00090015-1899-09-30-tmax_low-daily","station_id":"ASN00090015","station_name":"Cape Otway Lighthouse","country":"AU","type":"tmax_low","timescale":"daily","date":"1899-09-30","value":11.1,"unit":"c","previous_value":12.2,"previous_date":"1889-09-30","margin":1.1,"years_stood":9,"significance":8,"tie":false,"provisional":false,"lat":-38.8556,"lon":143.5128},{"id":"UK000047811-1899-09-30-tmin_low-daily","station_id":"UK000047811","station_name":"Armagh","country":"GB","type":"tmin_low","timescale":"daily","date":"1899-09-30","value":0.6,"unit":"c","previous_value":1.2,"previous_date":"1894-09-30","margin":0.6,"years_stood":4,"significance":8,"tie":false,"provisional":false,"lat":54.35,"lon":-6.65},{"id":"ASN00022801-1899-09-30-prcp_high-daily","station_id":"ASN00022801","station_name":"Cape Borda Comparison","country":"AU","type":"prcp_high","timescale":"daily","date":"1899-09-30","value":6.9,"unit":"mm","previous_value":6.4,"previous_date":"1890-09-30","margin":0.5,"years_stood":8,"significance":6,"tie":false,"provisional":false,"lat":-35.7529,"lon":136.5938},{"id":"ASN00090015-1899-09-30-tmin_low-daily","station_id":"ASN00090015","station_name":"Cape Otway Lighthouse","country":"AU","type":"tmin_low","timescale":"daily","date":"1899-09-30","value":4.4,"unit":"c","previous_value":4.4,"previous_date":"1866-09-30","margin":0,"years_stood":32,"significance":3,"tie":true,"provisional":false,"lat":-38.8556,"lon":143.5128}]}