{"date":"1999-06-10","county":"Jefferson","state":"Colorado","page":"https://www.myhailscore.com/storm/1999-06-10/jefferson-county-co","license":"Free to cite with attribution to HailScore (myhailscore.com). Underlying weather data: NOAA (public domain).","disclaimer":"Hail exposure record, not a damage determination. Radar-estimated sizes carry roughly a ±0.25 inch margin versus ground measurements.","status":"verified","source":"NOAA Storm Events Database (NCEI)","maxHailSizeInches":1.75,"eventCount":4,"firstEventUtc":"1999-06-10T20:05:00.000Z","lastEventUtc":"1999-06-10T20:55:00.000Z","events":[{"noaaEventId":"5704558","hailSizeInches":1.75,"timeUtc":"1999-06-10T20:20:00.000Z","lat":39.75,"lon":-105.35},{"noaaEventId":"5704557","hailSizeInches":1,"timeUtc":"1999-06-10T20:05:00.000Z","lat":39.63,"lon":-105.37},{"noaaEventId":"5704559","hailSizeInches":1,"timeUtc":"1999-06-10T20:50:00.000Z","lat":39.73,"lon":-105.1},{"noaaEventId":"5704560","hailSizeInches":1,"timeUtc":"1999-06-10T20:55:00.000Z","lat":39.75,"lon":-105.08}],"dataCurrentAsOf":"2026-07-11T23:26:06.981Z"}