Stockholm · 18 maj 2026 · källa

Bondepraktikan

Rådata från verktyget get_almanac_data.

{
  "toolName": "get_almanac_data",
  "data": {
    "marker_day_name": "Eriksdagen",
    "rules": [
      {
        "rule_text": "Om Erik ger ax, ger Olof kaka.",
        "horizon": "season",
        "scientific_basis": false,
        "source_url": "https://www.isof.se/utforska/kunskapsbanker/lar-dig-mer-om-arets-namn-och-handelser/markesdagar"
      }
    ],
    "monthly_rules": [
      {
        "rule_text": "Torr maj – mager skörd.",
        "horizon": "season",
        "scientific_basis": true,
        "source_url": "https://www.smhi.se/kunskapsbanken/meteorologi/kuriosa-om-vader/bondepraktikan"
      }
    ],
    "phenology_rules": [
      {
        "species_name": "Alauda arvensis",
        "rule_text": "När lärkan sjunger är våren inte långt borta – men sena köldknäppar kan fortfarande komma.",
        "horizon": "weeks",
        "scientific_basis": true,
        "timing": "normal",
        "observed_date": "2026-03-01",
        "location": "Haninge, Stockholm",
        "source_type": "traditional_proverb"
      },
      {
        "species_name": "Grus grus",
        "rule_text": "Tranan varslar vårens ankomst – kommer hon tidigt blir sommaren lång och varm.",
        "horizon": "season",
        "scientific_basis": false,
        "timing": "normal",
        "observed_date": "2026-03-08",
        "location": "Haninge, Stockholm",
        "source_type": "traditional_proverb"
      },
      {
        "species_name": "Hepatica nobilis",
        "rule_text": "Blåsippan visar att tjälen släppt – nu kan man börja tänka på trädgården.",
        "horizon": "weeks",
        "scientific_basis": true,
        "timing": "tidig",
        "observed_date": "2026-03-04",
        "location": "Nynäshamn, Stockholm",
        "source_type": "traditional_proverb"
      },
      {
        "species_name": "Primula veris",
        "rule_text": "Gullvivans blomning visar att försommaren närmar sig.",
        "horizon": "weeks",
        "scientific_basis": true,
        "timing": "normal",
        "observed_date": "2026-05-10",
        "location": "Södertälje, Stockholm",
        "source_type": "traditional_proverb"
      }
    ],
    "month_context": {
      "precip_mm_so_far": 13.5,
      "precip_mm_normal": 0,
      "precip_pct_of_normal": 0,
      "avg_temp_so_far": 10.4,
      "avg_temp_normal": 0,
      "days_measured": 16
    },
    "marker_day_history": {
      "temp_type": "daily_mean",
      "station_name": "Stockholm-Observatoriekullen A",
      "day": 18,
      "month": 5,
      "years_of_data": 167,
      "avg_mean_temp_c": 10.5,
      "median_mean_temp_c": 10.1,
      "min_mean_temp_c": 0.4,
      "min_mean_temp_year": 1876,
      "max_mean_temp_c": 19.1,
      "max_mean_temp_year": 1974,
      "rain_probability_pct": 40,
      "avg_precip_mm": 1.3,
      "max_precip_mm": 19.7,
      "max_precip_year": 1968
    }
  },
  "city": "Stockholm",
  "date": "2026-05-18"
}