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Frost Report  
Station Number: TN-WS-12
Station Name: Jonesborough 2.5 SSW
Observation Date 9/17/2026 7:00 AM
Submitted 9/17/2026 7:21 AM
Taken at registered location Yes
Frost Coverage No frost
Notes
OVERNIGHT: SKC. Very light to calm winds. Max wind: 3.8 mph. CURRENT CONDITIONS (7:00): Scattered skies with light fog. Wind10ft: Calm. T10ft: 64.9°F; Dew Pt10ft: 63.5°F; RH10ft: 95%. Tsfc: 63.7°F; RHsfc: 93%. T4”soil: 81.0°F; RH4”Soil: 14%. Pollution: 10 µg/m3 / AQI: 53 (Moderate). Sunrise: 7:13; Sunset: 19:34. Dew observed. NO FROST. NOTE: Earliest Date of First Frost/Freeze: 23 Sep/1 Oct; Median Date of First Frost/Freeze: 10 Oct/19 Oct; Latest Date of First Frost/Freeze: 4 Nov/13 Nov.