{"source":"kalshi","id":"KXHIGHTSEA-26MAY31","ticker":"KXHIGHTSEA-26MAY31","slug":"KXHIGHTSEA-26MAY31","title":"Highest temperature in Seattle on May 31, 2026?","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-05-30T14:00:00Z","end_date":"2026-06-07T14:00:00Z","closed_time":null,"volume":4234.91,"volume_24hr":4140.91,"volume_24h_change":null,"normalized_vol_24hr":22.680713653564453,"normalized_volume":18.802671432495117,"liquidity":null,"open_interest":3318.95,"categories":["Climate and Weather"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"68° to 69°","top_outcome_probability":0.41,"top_outcome_prob_24h_change":0.019999999999999962,"top_outcome_volume_24h_change":654.69,"updated_at":"2026-05-31T01:09:56.384445Z","fetched_at":"2026-05-31T01:09:56.384445Z","added_at":"2026-05-30T14:08:36.607957Z","url":"https://kalshi.com/markets/kxhightsea/highest-temperature-in-seattle-on-may-31-2026/kxhightsea-26may31","chart_24h":[324.64,457.41,768.01,809.41,856.89,1011.89,1677.6499999999999,1853.07,3177.32,3262.05,3403.45,3523.23,3688.99,3732.31,3785.91,4127.71],"markets":[{"source":"kalshi","id":"KXHIGHTSEA-26MAY31-B68.5","event_id":"KXHIGHTSEA-26MAY31","slug":"KXHIGHTSEA-26MAY31-B68.5","question":"Will the maximum temperature be 68-69° on May 31, 2026?","group_item_title":"68° to 69°","description":"If the maximum temperature recorded at Seattle for May 31, 2026, is between 68-69° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\n---\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.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.41,0.5900000000000001],"probability":0.41,"spread":0.009999999999999953,"active":true,"closed":false,"start_date":"2026-05-30T14:00:00Z","end_date":"2026-06-07T14:00:00Z","closed_time":"2026-06-01T08:00:00Z","volume":660.69,"volume_24hr":660.69,"prob_24h_change":0.019999999999999962,"volume_24h_change":654.69,"normalized_vol_24hr":14.463547706604004,"normalized_volume":13.686957359313965,"liquidity":null,"categories":["Climate and Weather"],"updated_at":"2026-05-31T01:10:47.831847Z","fetched_at":"2026-05-31T01:09:56.530789Z","added_at":"2026-05-30T14:08:36.729359Z","url":"https://kalshi.com/markets/kxhightsea/highest-temperature-in-seattle-on-may-31-2026/kxhightsea-26may31","event_title":"Highest temperature in Seattle on May 31, 2026?","chart_24h":[0.39,0.39,0.34,0.34,0.35,0.33,0.36,0.36,0.35,0.38,0.4,0.42,0.38,0.4,0.41,0.41]},{"source":"kalshi","id":"KXHIGHTSEA-26MAY31-B66.5","event_id":"KXHIGHTSEA-26MAY31","slug":"KXHIGHTSEA-26MAY31-B66.5","question":"Will the maximum temperature be 66-67° on May 31, 2026?","group_item_title":"66° to 67°","description":"If the maximum temperature recorded at Seattle for May 31, 2026, is between 66-67° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\n---\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.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.35,0.65],"probability":0.35,"spread":0.030000000000000027,"active":true,"closed":false,"start_date":"2026-05-30T14:00:00Z","end_date":"2026-06-07T14:00:00Z","closed_time":"2026-06-01T08:00:00Z","volume":336.61,"volume_24hr":336.61,"prob_24h_change":0.35,"volume_24h_change":336.61,"normalized_vol_24hr":11.621758460998535,"normalized_volume":10.99775218963623,"liquidity":null,"categories":["Climate and Weather"],"updated_at":"2026-05-31T01:10:47.831847Z","fetched_at":"2026-05-31T01:09:56.530789Z","added_at":"2026-05-30T14:08:36.729359Z","url":"https://kalshi.com/markets/kxhightsea/highest-temperature-in-seattle-on-may-31-2026/kxhightsea-26may31","event_title":"Highest temperature in Seattle on May 31, 2026?","chart_24h":[0.0,0.38,0.37,0.37,0.34,0.37,0.37,0.36,0.36,0.36,0.36,0.37,0.39,0.36,0.35]},{"source":"kalshi","id":"KXHIGHTSEA-26MAY31-B64.5","event_id":"KXHIGHTSEA-26MAY31","slug":"KXHIGHTSEA-26MAY31-B64.5","question":"Will the maximum temperature be 64-65° on May 31, 2026?","group_item_title":"64° to 65°","description":"If the maximum temperature recorded at Seattle for May 31, 2026, is between 64-65° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\n---\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.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.09,0.91],"probability":0.09,"spread":0.009999999999999995,"active":true,"closed":false,"start_date":"2026-05-30T14:00:00Z","end_date":"2026-06-07T14:00:00Z","closed_time":"2026-06-01T08:00:00Z","volume":617.78,"volume_24hr":523.78,"prob_24h_change":-0.05000000000000002,"volume_24h_change":506.78,"normalized_vol_24hr":13.449482917785645,"normalized_volume":13.405828475952148,"liquidity":null,"categories":["Climate and Weather"],"updated_at":"2026-05-31T01:10:40.618008Z","fetched_at":"2026-05-31T01:09:56.530789Z","added_at":"2026-05-30T14:08:36.729359Z","url":"https://kalshi.com/markets/kxhightsea/highest-temperature-in-seattle-on-may-31-2026/kxhightsea-26may31","event_title":"Highest temperature in Seattle on May 31, 2026?","chart_24h":[0.14,0.14,0.11,0.11,0.11,0.11,0.11,0.11,0.1,0.08,0.08,0.08]},{"source":"kalshi","id":"KXHIGHTSEA-26MAY31-B70.5","event_id":"KXHIGHTSEA-26MAY31","slug":"KXHIGHTSEA-26MAY31-B70.5","question":"Will the maximum temperature be 70-71° on May 31, 2026?","group_item_title":"70° to 71°","description":"If the maximum temperature recorded at Seattle for May 31, 2026, is between 70-71° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\n---\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.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.09,0.91],"probability":0.09,"spread":0.009999999999999995,"active":true,"closed":false,"start_date":"2026-05-30T14:00:00Z","end_date":"2026-06-07T14:00:00Z","closed_time":"2026-06-01T08:00:00Z","volume":256.93,"volume_24hr":256.93,"prob_24h_change":0.09,"volume_24h_change":256.93,"normalized_vol_24hr":10.571831703186035,"normalized_volume":10.004199028015137,"liquidity":null,"categories":["Climate and Weather"],"updated_at":"2026-05-31T00:57:02.757267Z","fetched_at":"2026-05-31T00:56:24.025426Z","added_at":"2026-05-30T14:08:36.729359Z","url":"https://kalshi.com/markets/kxhightsea/highest-temperature-in-seattle-on-may-31-2026/kxhightsea-26may31","event_title":"Highest temperature in Seattle on May 31, 2026?","chart_24h":[0.0,0.13,0.09,0.1,0.1,0.11,0.1,0.1,0.1,0.09,0.08,0.08,0.08]},{"source":"kalshi","id":"KXHIGHTSEA-26MAY31-T64","event_id":"KXHIGHTSEA-26MAY31","slug":"KXHIGHTSEA-26MAY31-T64","question":"Will the maximum temperature be <64° on May 31, 2026?","group_item_title":"63° or below","description":"If the maximum temperature recorded at Seattle for May 31, 2026, is less than 64° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\n---\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.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.02,0.98],"probability":0.02,"spread":0.01,"active":true,"closed":false,"start_date":"2026-05-30T14:00:00Z","end_date":"2026-06-07T14:00:00Z","closed_time":"2026-06-01T08:00:00Z","volume":1354.05,"volume_24hr":1354.05,"prob_24h_change":-0.030000000000000002,"volume_24h_change":1346.05,"normalized_vol_24hr":17.832250595092773,"normalized_volume":16.874784469604492,"liquidity":null,"categories":["Climate and Weather"],"updated_at":"2026-05-31T00:14:48.527672Z","fetched_at":"2026-05-31T00:13:25.204270Z","added_at":"2026-05-30T14:08:36.729359Z","url":"https://kalshi.com/markets/kxhightsea/highest-temperature-in-seattle-on-may-31-2026/kxhightsea-26may31","event_title":"Highest temperature in Seattle on May 31, 2026?","chart_24h":[0.05,0.04,0.04,0.02,0.02,0.02,0.01,0.01,0.01,0.02,0.02]},{"source":"kalshi","id":"KXHIGHTSEA-26MAY31-T71","event_id":"KXHIGHTSEA-26MAY31","slug":"KXHIGHTSEA-26MAY31-T71","question":"Will the maximum temperature be >71° on May 31, 2026?","group_item_title":"72° or above","description":"If the maximum temperature recorded at Seattle for May 31, 2026, is greater than 71° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\n---\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.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.01,0.99],"probability":0.01,"spread":0.01,"active":true,"closed":false,"start_date":"2026-05-30T14:00:00Z","end_date":"2026-06-07T14:00:00Z","closed_time":"2026-06-01T08:00:00Z","volume":1008.85,"volume_24hr":1008.85,"prob_24h_change":-0.15,"volume_24h_change":715.21,"normalized_vol_24hr":16.40775489807129,"normalized_volume":15.526774406433105,"liquidity":null,"categories":["Climate and Weather"],"updated_at":"2026-05-31T00:43:05.697827Z","fetched_at":"2026-05-31T00:42:24.948428Z","added_at":"2026-05-30T14:08:36.729359Z","url":"https://kalshi.com/markets/kxhightsea/highest-temperature-in-seattle-on-may-31-2026/kxhightsea-26may31","event_title":"Highest temperature in Seattle on May 31, 2026?","chart_24h":[0.16,0.04,0.05,0.07,0.04,0.04,0.04,0.02,0.02,0.02,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXHIGHTSEA-26MAY31","as_of":"2026-05-31T01:17:38.389185Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Highest temperature in Seattle on May 31, 2026?\" — top market at 2% probability across 6 outcomes","source_url":null}}