Highest temperature in Seattle on May 20, 2026?
Highest temperature in Seattle on May 20, 2026?
No
No
No
No
Yes
Yes
No
No
No
No
No
No
Market Rules
Data 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.
Not 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.
- Persons who are employed by any of the Source Agencies are not permitted to trade on the Contract.
- Persons who hold any material, non-public information on the Underlying are not permitted to trade on the Contract.