{"date":"1977-06-20","county":"Douglas","state":"Colorado","page":"https://www.myhailscore.com/storm/1977-06-20/douglas-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":2.75,"eventCount":1,"firstEventUtc":"1977-06-20T00:45:00.000Z","lastEventUtc":"1977-06-20T00:45:00.000Z","events":[{"noaaEventId":"9987536","hailSizeInches":2.75,"timeUtc":"1977-06-20T00:45:00.000Z","lat":39.37,"lon":-104.87}],"dataCurrentAsOf":"2026-07-11T23:26:01.394Z"}