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Data library

Open datasets, fully documented — searchable here, and readable by any LLM.

  • North America city weather panel (daily)

    Canadian city daily weather panel, 18 metros

    Daily observed weather for 18 Canadian metro stations (Toronto, Montreal, Vancouver, Calgary, Ottawa, Edmonton, Winnipeg, Quebec City, Hamilton, Kitchener, London, Victoria, Halifax, Saskatoon, Regina, St. John's, Kelowna, Moncton) from ECCC climate-daily observations (MSC GeoMet OGC API, keyless). Trailing 370 days, updated daily: max/min temperature (degC), precipitation (mm), snowfall and snow depth (cm), heating/cooling degree days (base 18 degC, ECCC published) plus ML-ready flags — heatwave (tmax>=32), deep freeze (tmin<=-15), heavy precipitation (>=25mm). ECCC 'M' (missing) flags become NULL, never imputed.

    • weather
    • daily
    • canada
    • cities
    rows
    6,660
    Quality
    98
    Updated
    Sep 29, 2026
    Aging
    License
    Commercial use OK
  • North America city weather panel (daily)

    US city daily weather panel, 20 metros

    Daily observed weather for 20 US metro airport stations (New York, Los Angeles, Chicago, Houston, Phoenix, Seattle, Miami, Boston, Atlanta, Dallas, San Francisco, Washington, Denver, Minneapolis, Detroit, Philadelphia, St. Louis, Nashville, Portland, Las Vegas) from NOAA GHCN-Daily (keyless .dly files, public domain). Trailing 370 days, updated daily: max/min temperature (degC), precipitation (mm), snowfall and snow depth (cm), heating/cooling degree days (base 18 degC, computed from the daily mean) plus ML-ready flags — heatwave (tmax>=32), deep freeze (tmin<=-15), heavy precipitation (>=25mm). GHCN -9999 (missing) becomes NULL, never imputed.

    • weather
    • daily
    • united-states
    • cities
    rows
    7,376
    Quality
    100
    Updated
    Sep 29, 2026
    Aging
    License
    Commercial use OK

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