{
  "version": "frost-features-v1-public-2km-2026-10-11",
  "scoreRoundingDecimals": 6,
  "method": "Inverse empirical CDF: sorted[ceil(p*n)-1] for p=0.1,...,0.9; decile=1+count(score>cutpoint)",
  "tiePolicy": "Identical rounded scores stay together in the lower interval; ten nominal bins retained, including any empty bins.",
  "referencePeriod": "1991-2020",
  "scope": "England LSOA21",
  "notWeightedByPopulationOrMileage": true,
  "annualOrRegionalReranking": false,
  "road": {
    "reference": "Fixed eligible English LSOA21 population",
    "eligibleLsoaCount": 33505,
    "minimumFrostDays": 5.370672,
    "maximumFrostDays": 90.945898,
    "cutpoints": [
      22.964587,
      28.345222,
      31.809308,
      35.275001,
      37.835923,
      40.23204,
      42.502503,
      44.950001,
      48.214814
    ],
    "nominalDecileCounts": {
      "1": 3351,
      "2": 3350,
      "3": 3351,
      "4": 3353,
      "5": 3348,
      "6": 3350,
      "7": 3351,
      "8": 3351,
      "9": 3350,
      "10": 3350
    },
    "nonemptyDecileCount": 10
  },
  "area": {
    "reference": "Fixed eligible English LSOA21 population",
    "eligibleLsoaCount": 33473,
    "minimumFrostDays": 5.354512,
    "maximumFrostDays": 99.537917,
    "cutpoints": [
      23.012537,
      28.356072,
      31.853444,
      35.313144,
      37.86826,
      40.290784,
      42.550708,
      44.99797,
      48.299583
    ],
    "nominalDecileCounts": {
      "1": 3348,
      "2": 3347,
      "3": 3347,
      "4": 3348,
      "5": 3347,
      "6": 3347,
      "7": 3348,
      "8": 3347,
      "9": 3347,
      "10": 3347
    },
    "nonemptyDecileCount": 10
  }
}