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  • Michigan State University Extension
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Upper Peninsula Disease Report: Most recent wetting event (Report issued 4/19/2024 11:29 )

Wetting periods start with rainfall (at least 0.01 inch) and continue until the start of at least eight hours without moisture (rainfall, leaf wetness, high relative humidity). Wetting periods are classified as "ongoing" until eight consecutive dry hours have passed. After that, the official end of the wetting period is recorded (the start of the 8 hour dry period).

Station Start of wetting period End of wetting period Duration (Hrs.) Avg temp (F) Rainfall (in.) Apple Scab (leaf) Cherry Leaf Spot Grape Leaf Black Rot Time Period Assessed
Chatham 4/18 5-6PM 4/18 5-6PM
Some estimated data used.		 Wet: 1
Span: 1		 50.9 0.03 None None No risk until pre-bloom period Most recent period shown: 4/12 11PM - Midnight to 4/19/2024 10-11AM
Hourly data missing for: 4/19/2024 9-10AM - 4/19/2024 10-11AM (2 hours); Total of 2 missing hoursHourly data estimated for: 4/12/2024 Midnight-1AM - 4/16/2024 5-6AM (102 hours); 4/16/2024 7-8AM - 4/17/2024 9-10PM (39 hours); 4/18/2024 Midnight-1AM - 4/18/2024 2-3AM (3 hours); 4/18/2024 5-6AM (1 hour); 4/18/2024 9-10AM - 4/19/2024 8-9AM (24 hours); Total of 169 estimated hours
Some estimated data used.
Escanaba 4/18 8-9PM Ongoing. Last hour with moisture: 4/19 7-8AM Wet: 12
Span: 12		 37.9 0.05 None None No risk until pre-bloom period Most recent period shown: 4/12 11PM - Midnight to 4/19/2024 10-11AM
McMillan / Newberry 4/18 11PM - Midnight 4/19 2-3AM Wet: 4
Span: 4		 42.1 0.08 None None No risk until pre-bloom period Most recent period shown: 4/12 11PM - Midnight to 4/19/2024 10-11AM
Stephenson 4/18 6-7PM 4/18 10-11PM Wet: 5
Span: 5		 45.2 0.02 None None No risk until pre-bloom period Most recent period shown: 4/12 11PM - Midnight to 4/19/2024 10-11AM
Hourly data missing for: 4/19/2024 10-11AM (1 hour); Total of 1 missing hours

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