{
  "districtId": "BU-27",
  "slug": "purnia",
  "name": "Purnia",
  "sourceName": "Purnia",
  "lgdCode": "214",
  "census": {
    "lgdCode": "214",
    "name": "Purnia",
    "slug": "purnia",
    "population2011": 3264619,
    "ruralPopulation2011": 2921614,
    "urbanPopulation2011": 343005,
    "urbanShare2011": 10.506739071236185,
    "literacyPercent2011": 51.1,
    "maleLiteracyPercent2011": 59.1,
    "femaleLiteracyPercent2011": 42.3,
    "density2011": 1011,
    "malePopulation2011": null,
    "femalePopulation2011": null,
    "sexRatio2011": 921,
    "workforce2011": null,
    "economy": {
      "referencePeriod": "2023-24",
      "gddpCurrentLakh": 2308462,
      "perCapitaIncomeRupees": 56006
    },
    "crops": {
      "referencePeriod": "2024-25",
      "riceTonnes": 334714,
      "wheatTonnes": 46125,
      "maizeTonnes": 1403982,
      "cerealsTonnes": 1784996
    },
    "sourceUrls": [
      "https://statedata.bihar.gov.in/dataLab/getDistrictDetails?districtCode=214"
    ],
    "sourcePage": "https://statedata.bihar.gov.in/dataLab/",
    "sourceId": "bihar-des-district-facts",
    "retrieved": "2026-10-25",
    "sourcePrecision": {
      "literacyPercent": "one decimal, as republished by DES",
      "population": "persons, exact integer count in DES response"
    },
    "correction": null,
    "caveats": [
      "Census2011 demographic snapshot, not current population.",
      "Density is source-published Census2011 density; never divide the count by the 2021 map area.",
      "Literacy rates are republished rounded values.",
      "Current-price district income2023-24 is not household income or GDP per person.",
      "Crop quantities2024-25 have a different reference period from economic data."
    ],
    "reuse": {
      "termsUrl": "https://statedata.bihar.gov.in/dataLab/websitePolicy",
      "terms": "Accurate attributed reproduction under DES website terms; third-party rights preserved; no endorsement.",
      "underlyingCensusCatalog": "https://www.data.gov.in/catalog/villagetown-wise-primary-census-abstract-2011-bihar",
      "underlyingCensusLicense": "Government Open Data License–India (OGD catalog); do not claim this standard licence for all DES economics/crops."
    },
    "sexRatioSourceUrl": "https://statedata.bihar.gov.in/dataLab/assets/js/31_10_2025_chart.js"
  },
  "odop": {
    "districtId": "BU-27",
    "slug": "purnia",
    "districtName": "Purnia",
    "product": "Maize based products",
    "referencePeriod": "2024",
    "sourceId": "mofpi-odop-2024",
    "sourceSerial": 27,
    "sourcePage": 7,
    "verificationState": "transcribed-from-retrieved-source"
  },
  "heritage": null,
  "monuments": [],
  "climate": {
    "districtId": "BU-27",
    "slug": "purnia",
    "districtName": "Purnia",
    "representativePoint": [
      87.43412,
      25.78721
    ],
    "representativePointMethod": "Turf pointOnFeature on geoBoundaries source shape; rounded to five decimal degrees",
    "referencePeriod": "2001–2020",
    "sourceId": "nasa-power-2001-2020",
    "sourceUrl": "https://power.larc.nasa.gov/api/temporal/climatology/point?parameters=T2M,T2M_MAX,T2M_MIN&community=AG&longitude=87.43412&latitude=25.78721&format=JSON&start=2001&end=2020",
    "sourceApiVersion": "v2.10.1",
    "sourceHeaderRange": "20-year Meteorological and Solar Monthly & Annual Climatologies (January 2001 - December 2020)",
    "grid": "MERRA-2 native meteorology grid: 0.5° latitude × 0.625° longitude",
    "unit": "°C",
    "months": [
      {
        "month": "JAN",
        "mean": 15.78,
        "modelMaximum": 30.39,
        "modelMinimum": 1.44
      },
      {
        "month": "FEB",
        "mean": 20.06,
        "modelMaximum": 37.21,
        "modelMinimum": 5.97
      },
      {
        "month": "MAR",
        "mean": 25.86,
        "modelMaximum": 42.13,
        "modelMinimum": 10.12
      },
      {
        "month": "APR",
        "mean": 30.48,
        "modelMaximum": 45.18,
        "modelMinimum": 16.32
      },
      {
        "month": "MAY",
        "mean": 31.93,
        "modelMaximum": 45.15,
        "modelMinimum": 20.12
      },
      {
        "month": "JUN",
        "mean": 31.59,
        "modelMaximum": 45,
        "modelMinimum": 24.14
      },
      {
        "month": "JUL",
        "mean": 29.21,
        "modelMaximum": 38.03,
        "modelMinimum": 23.96
      },
      {
        "month": "AUG",
        "mean": 28.77,
        "modelMaximum": 36.16,
        "modelMinimum": 23.19
      },
      {
        "month": "SEP",
        "mean": 27.66,
        "modelMaximum": 34.83,
        "modelMinimum": 21.41
      },
      {
        "month": "OCT",
        "mean": 25.13,
        "modelMaximum": 33.09,
        "modelMinimum": 12.97
      },
      {
        "month": "NOV",
        "mean": 20.92,
        "modelMaximum": 32.63,
        "modelMinimum": 8.78
      },
      {
        "month": "DEC",
        "mean": 16.8,
        "modelMaximum": 30.34,
        "modelMinimum": 3.55
      }
    ],
    "annualMean": 25.36,
    "summerMeanMAM": 29.423333333333336,
    "winterMeanDJF": 17.546666666666667,
    "summerModelMaximum": 45.18,
    "winterModelMinimum": 1.44,
    "retrievalDate": "2026-10-25",
    "verificationState": "retrieved-period-checked",
    "caveats": [
      "Point sample of coarse reanalysis grid; not a district average or weather-station record",
      "Summer=MAM; winter=DJF. Seasonal means are equal-month means of monthly climatological means",
      "Maximum/minimum are model parameter extrema for the period, not observed station records"
    ]
  },
  "rainfall": {
    "districtId": "BU-27",
    "slug": "purnia",
    "districtName": "Purnia",
    "sourceDistrictName": "Purnea",
    "referencePeriod": "1951–2000",
    "sourceId": "imd-rainfall-1951-2000",
    "unit": "mm",
    "monthlyNormals": [
      9.3,
      8.7,
      12.2,
      36.9,
      127.4,
      277.3,
      479,
      358.4,
      322.2,
      84.9,
      8,
      8.5
    ],
    "annualNormal": 1732.8,
    "monsoonNormalJJAS": 1436.9,
    "monsoonMethod": "Sum of printed June, July, August and September monthly normals",
    "monthlyRainyDays": [
      0.7,
      0.7,
      0.9,
      2.1,
      5.7,
      10,
      16.7,
      13.8,
      11.2,
      3.3,
      0.5,
      0.6
    ],
    "annualRainyDays": 66.2,
    "rainyDayDefinition": "Day with rainfall of 2.5 mm or more",
    "verificationState": "transcribed-from-retrieved-source",
    "sourceTable": "Table V: Monthly and annual normals of rainfall and rainy days",
    "caveats": [
      "Historical district normals based on available station records in the nominal 1951–2000 period; not all stations have a complete50-year series",
      "District definitions follow the publication, not certified current or census geography",
      "Annual normal retained as printed; monthly sums may differ slightly because of rounding"
    ],
    "sourcePage": 66,
    "printedPage": 29
  },
  "rivers": [
    "Sapt"
  ],
  "places": []
}
