If the highest temperature recorded at Philadelphia International Airport for September 17, 2025 as reported by the National Weather Service's Climatological Report (Daily), is between 73-74°, then the market resolves to Yes.

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 highest 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.

Series KXHIGHPHIL-25SEP17 Event KXHIGHPHIL-25SEP17 Market KXHIGHPHIL-25SEP17-B73.5