{"date":"1977-06-13","county":"Boulder","state":"Colorado","page":"https://www.myhailscore.com/storm/1977-06-13/boulder-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":2.5,"eventCount":2,"firstEventUtc":"1977-06-13T22:20:00.000Z","lastEventUtc":"1977-06-13T22:30:00.000Z","events":[{"noaaEventId":"9987518","hailSizeInches":2.5,"timeUtc":"1977-06-13T22:20:00.000Z","lat":40.07,"lon":-105.2},{"noaaEventId":"9987519","hailSizeInches":1.25,"timeUtc":"1977-06-13T22:30:00.000Z","lat":40.02,"lon":-105.27}],"dataCurrentAsOf":"2026-07-11T23:21:15.339Z"}