{
  "_notice": {
    "type": "free_key_offer",
    "message": "Free and anonymous access is staying. If this endpoint is in your pipeline, a free key adds advance notice before any schema change or deprecation. POST /v1/keys {\"email\": \"you@firm.com\"} — nothing else required. Something broken or missing? hello@clearmarket.fyi reaches a human.",
    "docs": "https://clearmarket.fyi/for-data/",
    "policy": "This field is additive and its shape will not change."
  },
  "event_id": "CM-EVT-8WB157PKB6",
  "slug": "kxhightsea-26aug04",
  "question": "Will the highest temperature in Seattle on August 4, 2026 exceed 90°F?",
  "category": "climate",
  "event_type": "BINARY",
  "ladder_distribution": null,
  "tags": [
    "climate",
    "weather-temperature",
    "seattle-local",
    "daily-weather",
    "august-2026",
    "us-pacific-northwest"
  ],
  "catalyst_types": [],
  "catalyst_dates": [],
  "editorial_notes": "These markets track the daily maximum temperature in Seattle on August 4, 2026. Kalshi structures the event as six mutually exclusive temperature tiers, from below 84°F to above 91°F. Together the tiers span the full distribution of probable outcomes, letting traders express views on specific rate-of-exceedance thresholds. Resolution relies on Kalshi staff determination using the National Weather Service Seattle Climatological Report issued by 7 p.m. ET on August 5, 2026.",
  "venues_covered": [
    "kalshi"
  ],
  "primary_market_id": "CM-MKT-6KPTP2ZBH7",
  "current_primary_mark": {
    "last_price": 0.62,
    "implied_probability": 0.62
  },
  "created_at": "2026-08-04T20:03:51.865287+00:00",
  "updated_at": "2026-08-04T20:03:51.865287+00:00",
  "markets": [
    {
      "market_id": "CM-MKT-6KPTP2ZBH7",
      "event_id": "CM-EVT-8WB157PKB6",
      "platform": "kalshi",
      "platform_market_id": "KXHIGHTSEA-26AUG04-T84",
      "question": "Will the maximum temperature be <84° on Aug 4, 2026?",
      "description": "83° or below",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "83° or below: The National Weather Service Seattle Climatological Report, issued by 7 p.m. ET on August 5, 2026, determines whether the referenced location's maximum temperature on August 4, 2026 met the specified threshold.",
      "close_at": "2026-08-05T08:00:00Z",
      "resolve_at": "2026-08-05T19:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If the maximum temperature recorded at Seattle for Aug 4, 2026, is less than 84° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\nData for CLISEA can be found by clicking the following URL: https://www.weather.gov/wrh/climate?wfo=sew, navigating to the \"Observed Weather\" tab, and choosing the location \"Seattle-Tacoma, WA\" with Daily Climate Report selected. Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "NWS Climatological Report Seattle",
        "source_status": "platform_named",
        "source_citation": "https://forecast.weather.gov/product.php?site=SEW&product=CLI&issuedby=SEA",
        "sources": [
          {
            "name": "NWS Climatological Report Seattle",
            "url": "https://forecast.weather.gov/product.php?site=SEW&product=CLI&issuedby=SEA",
            "provenance": "platform_api"
          },
          {
            "name": "National Weather Service's Climatological Report (Daily)",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "NWS Climatological Report",
            "url": null,
            "provenance": "clearmarket_editorial"
          }
        ],
        "source_of_record": "National Weather Service's Climatological Report (Daily)",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "A",
        "score": 97,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.62,
      "implied_probability": 0.62,
      "volume_24h_usd": 5580.48,
      "volume_total_usd": 6340.47,
      "settlement_style": "terminal",
      "direction": "below",
      "threshold": 84,
      "question_id": null,
      "also_on": null,
      "tags": [
        "august",
        "seattle",
        "seattle maximum temperature",
        "temperature",
        "weather"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-3LP9YQXMN9",
      "event_id": "CM-EVT-8WB157PKB6",
      "platform": "kalshi",
      "platform_market_id": "KXHIGHTSEA-26AUG04-B84.5",
      "question": "Will the maximum temperature be 84-85° on Aug 4, 2026?",
      "description": "84° to 85°",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "84° to 85°: The National Weather Service Seattle Climatological Report, issued by 7 p.m. ET on August 5, 2026, determines whether the referenced location's maximum temperature on August 4, 2026 met the specified threshold.",
      "close_at": "2026-08-05T08:00:00Z",
      "resolve_at": "2026-08-05T19:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If the maximum temperature recorded at Seattle for Aug 4, 2026, is between 84-85° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\nData for CLISEA can be found by clicking the following URL: https://www.weather.gov/wrh/climate?wfo=sew, navigating to the \"Observed Weather\" tab, and choosing the location \"Seattle-Tacoma, WA\" with Daily Climate Report selected. Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "NWS Climatological Report Seattle",
        "source_status": "platform_named",
        "source_citation": "https://forecast.weather.gov/product.php?site=SEW&product=CLI&issuedby=SEA",
        "sources": [
          {
            "name": "NWS Climatological Report Seattle",
            "url": "https://forecast.weather.gov/product.php?site=SEW&product=CLI&issuedby=SEA",
            "provenance": "platform_api"
          },
          {
            "name": "National Weather Service's Climatological Report (Daily)",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "NWS Climatological Report",
            "url": null,
            "provenance": "clearmarket_editorial"
          }
        ],
        "source_of_record": "National Weather Service's Climatological Report (Daily)",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "A",
        "score": 97,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.35,
      "implied_probability": 0.35,
      "volume_24h_usd": 1529.29,
      "volume_total_usd": 1660.31,
      "settlement_style": "terminal",
      "direction": "between",
      "threshold": 85,
      "question_id": null,
      "also_on": null,
      "tags": [
        "august",
        "seattle",
        "seattle maximum temperature",
        "temperature",
        "weather"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-SJ0FHHL8K6",
      "event_id": "CM-EVT-8WB157PKB6",
      "platform": "kalshi",
      "platform_market_id": "KXHIGHTSEA-26AUG04-B86.5",
      "question": "Will the maximum temperature be 86-87° on Aug 4, 2026?",
      "description": "86° to 87°",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "86° to 87°: The National Weather Service Seattle Climatological Report, issued by 7 p.m. ET on August 5, 2026, determines whether the referenced location's maximum temperature on August 4, 2026 met the specified threshold.",
      "close_at": "2026-08-05T08:00:00Z",
      "resolve_at": "2026-08-05T19:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If the maximum temperature recorded at Seattle for Aug 4, 2026, is between 86-87° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\nData for CLISEA can be found by clicking the following URL: https://www.weather.gov/wrh/climate?wfo=sew, navigating to the \"Observed Weather\" tab, and choosing the location \"Seattle-Tacoma, WA\" with Daily Climate Report selected. Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "NWS Climatological Report Seattle",
        "source_status": "platform_named",
        "source_citation": "https://forecast.weather.gov/product.php?site=SEW&product=CLI&issuedby=SEA",
        "sources": [
          {
            "name": "NWS Climatological Report Seattle",
            "url": "https://forecast.weather.gov/product.php?site=SEW&product=CLI&issuedby=SEA",
            "provenance": "platform_api"
          },
          {
            "name": "National Weather Service's Climatological Report (Daily)",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "NWS Climatological Report",
            "url": null,
            "provenance": "clearmarket_editorial"
          }
        ],
        "source_of_record": "National Weather Service's Climatological Report (Daily)",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "A",
        "score": 97,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.03,
      "implied_probability": 0.03,
      "volume_24h_usd": 144.06,
      "volume_total_usd": 159.2,
      "settlement_style": "terminal",
      "direction": "between",
      "threshold": 87,
      "question_id": null,
      "also_on": null,
      "tags": [
        "august",
        "seattle",
        "seattle maximum temperature",
        "temperature",
        "weather"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-RMFN5JWTM7",
      "event_id": "CM-EVT-8WB157PKB6",
      "platform": "kalshi",
      "platform_market_id": "KXHIGHTSEA-26AUG04-B88.5",
      "question": "Will the maximum temperature be 88-89° on Aug 4, 2026?",
      "description": "88° to 89°",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "88° to 89°: The National Weather Service Seattle Climatological Report, issued by 7 p.m. ET on August 5, 2026, determines whether the referenced location's maximum temperature on August 4, 2026 met the specified threshold.",
      "close_at": "2026-08-05T08:00:00Z",
      "resolve_at": "2026-08-05T19:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If the maximum temperature recorded at Seattle for Aug 4, 2026, is between 88-89° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\nData for CLISEA can be found by clicking the following URL: https://www.weather.gov/wrh/climate?wfo=sew, navigating to the \"Observed Weather\" tab, and choosing the location \"Seattle-Tacoma, WA\" with Daily Climate Report selected. Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "NWS Climatological Report Seattle",
        "source_status": "platform_named",
        "source_citation": "https://forecast.weather.gov/product.php?site=SEW&product=CLI&issuedby=SEA",
        "sources": [
          {
            "name": "NWS Climatological Report Seattle",
            "url": "https://forecast.weather.gov/product.php?site=SEW&product=CLI&issuedby=SEA",
            "provenance": "platform_api"
          },
          {
            "name": "National Weather Service's Climatological Report (Daily)",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "NWS Climatological Report",
            "url": null,
            "provenance": "clearmarket_editorial"
          }
        ],
        "source_of_record": "National Weather Service's Climatological Report (Daily)",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "A",
        "score": 97,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.01,
      "implied_probability": 0.01,
      "volume_24h_usd": 25.91,
      "volume_total_usd": 32.6,
      "settlement_style": "terminal",
      "direction": "between",
      "threshold": 89,
      "question_id": null,
      "also_on": null,
      "tags": [
        "august",
        "seattle",
        "seattle maximum temperature",
        "temperature",
        "weather"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-C1L55X3GK2",
      "event_id": "CM-EVT-8WB157PKB6",
      "platform": "kalshi",
      "platform_market_id": "KXHIGHTSEA-26AUG04-B90.5",
      "question": "Will the maximum temperature be 90-91° on Aug 4, 2026?",
      "description": "90° to 91°",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "90° to 91°: The National Weather Service Seattle Climatological Report, issued by 7 p.m. ET on August 5, 2026, determines whether the referenced location's maximum temperature on August 4, 2026 met the specified threshold.",
      "close_at": "2026-08-05T08:00:00Z",
      "resolve_at": "2026-08-05T19:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If the maximum temperature recorded at Seattle for Aug 4, 2026, is between 90-91° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\nData for CLISEA can be found by clicking the following URL: https://www.weather.gov/wrh/climate?wfo=sew, navigating to the \"Observed Weather\" tab, and choosing the location \"Seattle-Tacoma, WA\" with Daily Climate Report selected. Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "NWS Climatological Report Seattle",
        "source_status": "platform_named",
        "source_citation": "https://forecast.weather.gov/product.php?site=SEW&product=CLI&issuedby=SEA",
        "sources": [
          {
            "name": "NWS Climatological Report Seattle",
            "url": "https://forecast.weather.gov/product.php?site=SEW&product=CLI&issuedby=SEA",
            "provenance": "platform_api"
          },
          {
            "name": "National Weather Service's Climatological Report (Daily)",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "NWS Climatological Report",
            "url": null,
            "provenance": "clearmarket_editorial"
          }
        ],
        "source_of_record": "National Weather Service's Climatological Report (Daily)",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
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      "rcg": {
        "grade": "A",
        "score": 97,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.01,
      "implied_probability": 0.01,
      "volume_24h_usd": 7.64,
      "volume_total_usd": 13.43,
      "settlement_style": "terminal",
      "direction": "between",
      "threshold": 91,
      "question_id": null,
      "also_on": null,
      "tags": [
        "august",
        "seattle",
        "seattle maximum temperature",
        "temperature",
        "weather"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-BYFDQ6MW97",
      "event_id": "CM-EVT-8WB157PKB6",
      "platform": "kalshi",
      "platform_market_id": "KXHIGHTSEA-26AUG04-T91",
      "question": "Will the maximum temperature be >91° on Aug 4, 2026?",
      "description": "92° or above",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "92° or above: The National Weather Service Seattle Climatological Report, issued by 7 p.m. ET on August 5, 2026, determines whether the referenced location's maximum temperature on August 4, 2026 met the specified threshold.",
      "close_at": "2026-08-05T08:00:00Z",
      "resolve_at": "2026-08-05T19:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If the maximum temperature recorded at Seattle for Aug 4, 2026, is greater than 91° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\nData for CLISEA can be found by clicking the following URL: https://www.weather.gov/wrh/climate?wfo=sew, navigating to the \"Observed Weather\" tab, and choosing the location \"Seattle-Tacoma, WA\" with Daily Climate Report selected. Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "NWS Climatological Report Seattle",
        "source_status": "platform_named",
        "source_citation": "https://forecast.weather.gov/product.php?site=SEW&product=CLI&issuedby=SEA",
        "sources": [
          {
            "name": "NWS Climatological Report Seattle",
            "url": "https://forecast.weather.gov/product.php?site=SEW&product=CLI&issuedby=SEA",
            "provenance": "platform_api"
          },
          {
            "name": "National Weather Service's Climatological Report (Daily)",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "NWS Climatological Report",
            "url": null,
            "provenance": "clearmarket_editorial"
          }
        ],
        "source_of_record": "National Weather Service's Climatological Report (Daily)",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "A",
        "score": 97,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.01,
      "implied_probability": 0.01,
      "volume_24h_usd": 2.74,
      "volume_total_usd": 5.66,
      "settlement_style": "terminal",
      "direction": "above",
      "threshold": 91,
      "question_id": null,
      "also_on": null,
      "tags": [
        "august",
        "seattle",
        "seattle maximum temperature",
        "temperature",
        "weather"
      ],
      "eligibility_screens": null
    }
  ],
  "resolution_log": [],
  "_provenance": {
    "source": "clearmarket.fyi",
    "ref": "CM-EVT-8WB157PKB6",
    "terms": "Attribution required. clearmarket.fyi"
  }
}