{
  "period": "1991\u20132020",
  "retrievedAt": "2026-09-10T15:25:37.983224+00:00",
  "scoreEffect": "Average lows do not affect scores.",
  "global": {
    "source": "CRU TS 4.09 TMN (monthly mean daily minimum temperature)",
    "sourceURL": "https://crudata.uea.ac.uk/cru/data/hrg/cru_ts_4.09/",
    "license": "Open Government Licence",
    "attribution": "Climatic Research Unit (University of East Anglia) and Met Office",
    "method": "Same 0.5-degree cell IDs as existing highs; 30-year monthly averages; linear interpolation between monthly midpoints for exact trip dates. Lows packed to tenths C.",
    "archives": [
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        "variable": "tmn",
        "start": 1991,
        "end": 2000,
        "url": "https://crudata.uea.ac.uk/cru/data/hrg/cru_ts_4.09/cruts.2503051245.v4.09/tmn/cru_ts4.09.1991.2000.tmn.dat.nc.gz",
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        "end": 2010,
        "url": "https://crudata.uea.ac.uk/cru/data/hrg/cru_ts_4.09/cruts.2503051245.v4.09/tmn/cru_ts4.09.2001.2010.tmn.dat.nc.gz",
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      {
        "variable": "tmn",
        "start": 2011,
        "end": 2020,
        "url": "https://crudata.uea.ac.uk/cru/data/hrg/cru_ts_4.09/cruts.2503051245.v4.09/tmn/cru_ts4.09.2011.2020.tmn.dat.nc.gz",
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