{
  "studyId": "RSR-005",
  "title": "Offense-to-Report Data Lag",
  "sourceKind": "official_public_records",
  "period": "Reports published from 2023-07-01 through 2026-06-30",
  "sampleSize": 116787,
  "methodology": [
    "Cohorted official SPD property-offense records by report timestamp.",
    "Subtracted the published offense-start timestamp from the report timestamp.",
    "Excluded invalid and negative intervals while retaining their counts."
  ],
  "findings": [
    "The median recorded offense-start-to-report interval was 32.7 hours.",
    "44.2% of valid records were reported within 24 hours and 16.4% exceeded seven days."
  ],
  "metrics": {
    "validIntervals": 116787,
    "missingOrInvalid": 0,
    "negativeIntervals": 92,
    "exactMidnightOffenseTimes": 10253,
    "medianHours": 32.7,
    "p90Hours": 292.5,
    "p95Hours": 622.6,
    "reportedWithin24Hours": 44.2,
    "reportedAfterSevenDays": 16.4,
    "lagBuckets": [
      {
        "label": "0-6 hours",
        "count": 23830,
        "share": 20.4
      },
      {
        "label": "6-24 hours",
        "count": 27749,
        "share": 23.76
      },
      {
        "label": "1-3 days",
        "count": 27466,
        "share": 23.52
      },
      {
        "label": "3-7 days",
        "count": 18557,
        "share": 15.89
      },
      {
        "label": "7-14 days",
        "count": 8923,
        "share": 7.64
      },
      {
        "label": "14-30 days",
        "count": 5106,
        "share": 4.37
      },
      {
        "label": "30+ days",
        "count": 5156,
        "share": 4.41
      }
    ],
    "cumulative": [
      {
        "hours": 6,
        "count": 23830,
        "share": 20.4
      },
      {
        "hours": 24,
        "count": 51580,
        "share": 44.17
      },
      {
        "hours": 72,
        "count": 79045,
        "share": 67.68
      },
      {
        "hours": 168,
        "count": 97602,
        "share": 83.57
      },
      {
        "hours": 336,
        "count": 106525,
        "share": 91.21
      },
      {
        "hours": 720,
        "count": 111631,
        "share": 95.59
      }
    ],
    "sensitivity": {
      "exactMidnightExcluded": {
        "validIntervals": 106539,
        "medianHours": 28.4,
        "p90Hours": 250.2,
        "reportedWithin24Hours": 46.3,
        "reportedAfterSevenDays": 14.5
      },
      "maturityExperiment": {
        "available": false,
        "reason": "A single current extract measures lag among published records; historical as-of snapshots are required to estimate completeness directly."
      }
    },
    "byOffenseSubcategory": [
      {
        "label": "MOTOR VEHICLE THEFT",
        "count": 21045,
        "mean": 136.67,
        "p50": 16.74,
        "p75": 41.34,
        "p90": 128.52,
        "p95": 263.41
      },
      {
        "label": "LARCENY-THEFT",
        "count": 70284,
        "mean": 275.77,
        "p50": 41.06,
        "p75": 117.97,
        "p90": 333.4,
        "p95": 710.52
      },
      {
        "label": "BURGLARY",
        "count": 24970,
        "mean": 245.3,
        "p50": 32.46,
        "p75": 111.07,
        "p90": 325.63,
        "p95": 727.17
      },
      {
        "label": "ARSON",
        "count": 488,
        "mean": 43.49,
        "p50": 3.15,
        "p75": 16.78,
        "p90": 78.84,
        "p95": 142.91
      }
    ],
    "byReportYear": [
      {
        "label": "2023",
        "count": 21539,
        "mean": 229.16,
        "p50": 21.38,
        "p75": 69.05,
        "p90": 251.77,
        "p95": 623.58
      },
      {
        "label": "2024",
        "count": 41404,
        "mean": 279.56,
        "p50": 28.03,
        "p75": 88.57,
        "p90": 302,
        "p95": 680.5
      },
      {
        "label": "2025",
        "count": 36519,
        "mean": 210.79,
        "p50": 39.93,
        "p75": 111.83,
        "p90": 268.77,
        "p95": 552.17
      },
      {
        "label": "2026",
        "count": 17325,
        "mean": 242.2,
        "p50": 54.58,
        "p75": 139.64,
        "p90": 345.55,
        "p95": 683.33
      }
    ],
    "byNeighborhood": [
      {
        "label": "UNKNOWN",
        "count": 541,
        "mean": 411.85,
        "p50": 78.59,
        "p75": 219.56,
        "p90": 649.64,
        "p95": 1402.83
      },
      {
        "label": "QUEEN ANNE",
        "count": 7614,
        "mean": 331.41,
        "p50": 39.36,
        "p75": 111.45,
        "p90": 324.89,
        "p95": 776.97
      },
      {
        "label": "CENTRAL AREA/SQUIRE PARK",
        "count": 3029,
        "mean": 236.94,
        "p50": 33.27,
        "p75": 109.33,
        "p90": 295.05,
        "p95": 614.44
      },
      {
        "label": "DOWNTOWN COMMERCIAL",
        "count": 4414,
        "mean": 232.96,
        "p50": 38,
        "p75": 111.52,
        "p90": 322.79,
        "p95": 739.56
      },
      {
        "label": "SLU/CASCADE",
        "count": 5588,
        "mean": 298.97,
        "p50": 40.93,
        "p75": 127.79,
        "p90": 405.94,
        "p95": 937.79
      },
      {
        "label": "ALASKA JUNCTION",
        "count": 1976,
        "mean": 168.16,
        "p50": 27.34,
        "p75": 87.88,
        "p90": 268.57,
        "p95": 527.87
      },
      {
        "label": "CAPITOL HILL",
        "count": 7645,
        "mean": 317.69,
        "p50": 41.92,
        "p75": 127.2,
        "p90": 337.43,
        "p95": 793.32
      },
      {
        "label": "BITTERLAKE",
        "count": 2365,
        "mean": 318.25,
        "p50": 28.5,
        "p75": 105.01,
        "p90": 353.09,
        "p95": 885.63
      },
      {
        "label": "LAKECITY",
        "count": 2735,
        "mean": 340.58,
        "p50": 23.6,
        "p75": 81.17,
        "p90": 265.35,
        "p95": 634.25
      },
      {
        "label": "ROOSEVELT/RAVENNA",
        "count": 5527,
        "mean": 279.75,
        "p50": 36.73,
        "p75": 115.37,
        "p90": 302.11,
        "p95": 560.16
      },
      {
        "label": "FREMONT",
        "count": 2705,
        "mean": 188.81,
        "p50": 42.59,
        "p75": 116.73,
        "p90": 302.33,
        "p95": 575.99
      },
      {
        "label": "MAGNOLIA",
        "count": 2232,
        "mean": 211.77,
        "p50": 33.83,
        "p75": 106.28,
        "p90": 288.68,
        "p95": 574.38
      },
      {
        "label": "BALLARD SOUTH",
        "count": 5373,
        "mean": 161.11,
        "p50": 36.61,
        "p75": 103.73,
        "p90": 286.11,
        "p95": 547.44
      },
      {
        "label": "FIRST HILL",
        "count": 4014,
        "mean": 377.39,
        "p50": 40.83,
        "p75": 136.06,
        "p90": 375.48,
        "p95": 819.47
      },
      {
        "label": "BELLTOWN",
        "count": 2561,
        "mean": 206.18,
        "p50": 39.32,
        "p75": 112.32,
        "p90": 284.8,
        "p95": 598.79
      },
      {
        "label": "GEORGETOWN",
        "count": 1476,
        "mean": 225.9,
        "p50": 19.16,
        "p75": 73.16,
        "p90": 201.05,
        "p95": 435.57
      },
      {
        "label": "NORTHGATE",
        "count": 5589,
        "mean": 224.07,
        "p50": 25.89,
        "p75": 99.06,
        "p90": 313.47,
        "p95": 636.92
      },
      {
        "label": "BALLARD NORTH",
        "count": 2434,
        "mean": 171.23,
        "p50": 34.27,
        "p75": 97.57,
        "p90": 250.85,
        "p95": 481.17
      },
      {
        "label": "MADRONA/LESCHI",
        "count": 2168,
        "mean": 197.7,
        "p50": 24.85,
        "p75": 104.16,
        "p90": 321.41,
        "p95": 548.76
      },
      {
        "label": "UNIVERSITY",
        "count": 5464,
        "mean": 223.94,
        "p50": 41.8,
        "p75": 115.39,
        "p90": 307.37,
        "p95": 684.83
      },
      {
        "label": "ROXHILL/WESTWOOD/ARBOR HEIGHTS",
        "count": 2396,
        "mean": 128.29,
        "p50": 9.68,
        "p75": 51.84,
        "p90": 235.61,
        "p95": 530.03
      },
      {
        "label": "WALLINGFORD",
        "count": 2211,
        "mean": 181.55,
        "p50": 33.66,
        "p75": 105.28,
        "p90": 306.89,
        "p95": 530.12
      },
      {
        "label": "SANDPOINT",
        "count": 3092,
        "mean": 187.88,
        "p50": 31.64,
        "p75": 97.19,
        "p90": 243.88,
        "p95": 537.8
      },
      {
        "label": "SOUTH PARK",
        "count": 541,
        "mean": 538.39,
        "p50": 16.71,
        "p75": 54.88,
        "p90": 190.45,
        "p95": 384.47
      },
      {
        "label": "NORTH ADMIRAL",
        "count": 1245,
        "mean": 160.97,
        "p50": 20.57,
        "p75": 74.05,
        "p90": 208.82,
        "p95": 375.04
      },
      {
        "label": "NORTH BEACON HILL",
        "count": 2356,
        "mean": 160.94,
        "p50": 23.44,
        "p75": 79.72,
        "p90": 233.89,
        "p95": 477.11
      },
      {
        "label": "MONTLAKE/PORTAGE BAY",
        "count": 981,
        "mean": 230.95,
        "p50": 37.54,
        "p75": 95.84,
        "p90": 238.1,
        "p95": 370.83
      },
      {
        "label": "HIGHLAND PARK",
        "count": 1087,
        "mean": 155.63,
        "p50": 17.68,
        "p75": 64.84,
        "p90": 198.33,
        "p95": 365.21
      },
      {
        "label": "RAINIER BEACH",
        "count": 1216,
        "mean": 353.11,
        "p50": 12.18,
        "p75": 48.41,
        "p90": 212.74,
        "p95": 524.73
      },
      {
        "label": "BRIGHTON/DUNLAP",
        "count": 1174,
        "mean": 215.23,
        "p50": 21.07,
        "p75": 80.98,
        "p90": 252.88,
        "p95": 646.73
      },
      {
        "label": "PHINNEY RIDGE",
        "count": 1062,
        "mean": 140.8,
        "p50": 34.34,
        "p75": 106.6,
        "p90": 256.12,
        "p95": 443.51
      },
      {
        "label": "MID BEACON HILL",
        "count": 899,
        "mean": 985.68,
        "p50": 23.48,
        "p75": 72.76,
        "p90": 198.78,
        "p95": 384.44
      },
      {
        "label": "CLAREMONT/RAINIER VISTA",
        "count": 648,
        "mean": 196.8,
        "p50": 26.94,
        "p75": 90.12,
        "p90": 251.2,
        "p95": 623.32
      },
      {
        "label": "MOUNT BAKER",
        "count": 1990,
        "mean": 174.57,
        "p50": 22.72,
        "p75": 86.53,
        "p90": 236.54,
        "p95": 539.84
      },
      {
        "label": "MILLER PARK",
        "count": 1169,
        "mean": 274.26,
        "p50": 37.85,
        "p75": 113.94,
        "p90": 298.2,
        "p95": 580.54
      },
      {
        "label": "PIONEER SQUARE",
        "count": 1294,
        "mean": 162.23,
        "p50": 33.9,
        "p75": 104.83,
        "p90": 253.8,
        "p95": 558.47
      },
      {
        "label": "NORTH DELRIDGE",
        "count": 769,
        "mean": 207,
        "p50": 28.72,
        "p75": 93.75,
        "p90": 247.42,
        "p95": 674.6
      },
      {
        "label": "GREENWOOD",
        "count": 2286,
        "mean": 183.39,
        "p50": 32.15,
        "p75": 100.78,
        "p90": 256.8,
        "p95": 528.07
      },
      {
        "label": "CHINATOWN/INTERNATIONAL DISTRICT",
        "count": 1921,
        "mean": 232.49,
        "p50": 28.04,
        "p75": 88.03,
        "p90": 259.88,
        "p95": 589.71
      },
      {
        "label": "SODO",
        "count": 2237,
        "mean": 191.73,
        "p50": 33.21,
        "p75": 86.56,
        "p90": 221.76,
        "p95": 501.49
      },
      {
        "label": "MORGAN",
        "count": 1065,
        "mean": 166.61,
        "p50": 25.49,
        "p75": 89.97,
        "p90": 254.27,
        "p95": 628.51
      },
      {
        "label": "GENESEE",
        "count": 488,
        "mean": 47.89,
        "p50": 4.16,
        "p75": 21.46,
        "p90": 86.08,
        "p95": 167.28
      },
      {
        "label": "COLUMBIA CITY",
        "count": 835,
        "mean": 184.73,
        "p50": 29.73,
        "p75": 105.33,
        "p90": 307.91,
        "p95": 682.1
      },
      {
        "label": "MADISON PARK",
        "count": 451,
        "mean": 234.81,
        "p50": 27.36,
        "p75": 96.29,
        "p90": 303.1,
        "p95": 764.58
      },
      {
        "label": "ALKI",
        "count": 510,
        "mean": 146.32,
        "p50": 21.94,
        "p75": 79.89,
        "p90": 233.28,
        "p95": 448.84
      },
      {
        "label": "JUDKINS PARK/NORTH BEACON HILL",
        "count": 1325,
        "mean": 208.01,
        "p50": 34.96,
        "p75": 104.13,
        "p90": 345.4,
        "p95": 618.58
      },
      {
        "label": "RAINIER VIEW",
        "count": 740,
        "mean": 160.07,
        "p50": 21.44,
        "p75": 69.49,
        "p90": 243.25,
        "p95": 477.76
      },
      {
        "label": "LAKEWOOD/SEWARD PARK",
        "count": 605,
        "mean": 143.22,
        "p50": 21.62,
        "p75": 73.72,
        "p90": 184.39,
        "p95": 402.64
      },
      {
        "label": "NEW HOLLY",
        "count": 558,
        "mean": 333.66,
        "p50": 23.21,
        "p75": 86.95,
        "p90": 358.56,
        "p95": 2181.41
      },
      {
        "label": "HILLMAN CITY",
        "count": 438,
        "mean": 152.78,
        "p50": 20.95,
        "p75": 69.47,
        "p90": 203.39,
        "p95": 413.38
      },
      {
        "label": "HIGH POINT",
        "count": 767,
        "mean": 136.93,
        "p50": 15.55,
        "p75": 62.49,
        "p90": 212.28,
        "p95": 427.84
      },
      {
        "label": "EASTLAKE - WEST",
        "count": 937,
        "mean": 228.93,
        "p50": 45.83,
        "p75": 118.45,
        "p90": 323.87,
        "p95": 659.64
      },
      {
        "label": "SOUTH BEACON HILL",
        "count": 320,
        "mean": 245.37,
        "p50": 19.74,
        "p75": 82.75,
        "p90": 280.55,
        "p95": 573.81
      },
      {
        "label": "EASTLAKE - EAST",
        "count": 248,
        "mean": 111.45,
        "p50": 39.51,
        "p75": 111.71,
        "p90": 227.68,
        "p95": 286.88
      },
      {
        "label": "SOUTH DELRIDGE",
        "count": 499,
        "mean": 116.48,
        "p50": 11.29,
        "p75": 34.87,
        "p90": 131.64,
        "p95": 321.28
      },
      {
        "label": "FAUNTLEROY SW",
        "count": 406,
        "mean": 116.77,
        "p50": 32.49,
        "p75": 90.05,
        "p90": 247.53,
        "p95": 508.26
      },
      {
        "label": "-",
        "count": 344,
        "mean": 383.05,
        "p50": 29.31,
        "p75": 95.48,
        "p90": 202.29,
        "p95": 454.82
      }
    ]
  },
  "limitations": [
    "This is a published timestamp interval, not emergency-call or police response time.",
    "Offense start times may represent the start of a broader or uncertain occurrence window."
  ]
}