{
 "generated": "2026-09-16T19:25:27Z",
 "pairing_rule": "ASOS reports at :53 and the forecast is stamped on the hour, so a forecast is paired with the nearest observation within 30 minutes and otherwise left unscored.",
 "coverage": {
  "from": "2026-08-17T06:00:00Z",
  "to": "2026-09-16T06:00:00Z",
  "pairs": 633439,
  "excluded_as_defect": 2
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   "mae": 2.955,
   "n": 442244
  },
  "qpf6": {
   "mae": 0.019,
   "n": 191195
  }
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 "skill": {
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   "label": "Temperature",
   "unit": "\u00b0F",
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    {
     "day": 1,
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    },
    {
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    },
    {
     "day": 3,
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    },
    {
     "day": 5,
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    },
    {
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    },
    {
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   "label": "6-hour precipitation",
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   "style": "left:50%;width:41.2%"
  },
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   "station": "MHL",
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   "station": "NBG",
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   "style": "left:50%;width:49.2%"
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   "station": "YKM",
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   "style": "left:50%;width:50.0%"
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 ],
 "misses": [
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   "station": "HVE",
   "model": "NBM/NDFD",
   "cycle": "20260824T00:00Z",
   "valid": "2026-09-01T00:00:00Z",
   "lead_h": 192,
   "day": 8,
   "forecast": 92.2,
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   "issued": 60,
   "bad_threshold_f": 10.0
  },
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   "issued": 60,
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   "cycle": "20260823T06:00Z",
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   "bad_threshold_f": 10.0
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   "station": "SJT",
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   "valid": "2026-08-28T00:00:00Z",
   "lead_h": 168,
   "day": 7,
   "forecast": 99.0,
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   "residual": 26.1,
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   "issued": 55,
   "bad_threshold_f": 10.0
  },
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   "station": "MVH",
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   "cycle": "20260905T00:00Z",
   "valid": "2026-09-11T18:00:00Z",
   "lead_h": 162,
   "day": 7,
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   "bad_threshold_f": 10.0
  },
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   "station": "EED",
   "model": "NBM/NDFD",
   "cycle": "20260830T00:00Z",
   "valid": "2026-09-07T00:00:00Z",
   "lead_h": 192,
   "day": 8,
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   "missed": 55,
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   "bad_threshold_f": 10.0
  },
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   "station": "CNK",
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   "valid": "2026-09-13T00:00:00Z",
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   "missed": 60,
   "issued": 60,
   "bad_threshold_f": 10.0
  },
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   "station": "INW",
   "model": "NBM/NDFD",
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   "day": 7,
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  },
  {
   "station": "LIT",
   "model": "NBM/NDFD",
   "cycle": "20260819T18:00Z",
   "valid": "2026-08-27T00:00:00Z",
   "lead_h": 174,
   "day": 8,
   "forecast": 94.9,
   "observed": 71.1,
   "residual": 23.8,
   "missed": 53,
   "issued": 53,
   "bad_threshold_f": 10.0
  },
  {
   "station": "BOI",
   "model": "NBM/NDFD",
   "cycle": "20260831T00:00Z",
   "valid": "2026-09-05T00:00:00Z",
   "lead_h": 120,
   "day": 5,
   "forecast": 79.1,
   "observed": 55.9,
   "residual": 23.2,
   "missed": 47,
   "issued": 60,
   "bad_threshold_f": 10.0
  },
  {
   "station": "XNI",
   "model": "NBM/NDFD",
   "cycle": "20260823T18:00Z",
   "valid": "2026-08-31T18:00:00Z",
   "lead_h": 192,
   "day": 8,
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   "issued": 59,
   "bad_threshold_f": 10.0
  }
 ],
 "note": "The ledger begins when the residuals began being written down. The upstream history store keeps a rolling forty cycles, so nothing before that date can be recovered at any price \u2014 the table deepens from here rather than reaching backwards."
}