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  • Michigan State University Extension
  • Michigan State University Ag Bio Research
  • Project GREEEN

Northwest Disease Report: Most recent wetting event (Report issued 4/24/2024 6:56 )

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
Benzonia 4/23 Midnight-1AM Ongoing. Last hour with moisture: 4/24 Midnight-1AM Wet: 12
Span: 25
46.9 0.28 None No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 4/17 11PM - Midnight to 4/24/2024 10-11AM
Charlevoix 4/23 2-3AM 4/23 8-9AM Wet: 4
Span: 7
47.5 0.03 None None No risk until pre-bloom period Most recent period shown: 4/17 11PM - Midnight to 4/24/2024 10-11AM
East Leland 4/23 1-2AM Ongoing. Last hour with moisture: 4/24 11PM - Midnight Wet: 15
Span: 23
47.6 0.12 None No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 4/17 11PM - Midnight to 4/24/2024 10-11AM
Eastport 4/23 2-3AM 4/23 9-10AM Wet: 4
Span: 8
47 0.03 None No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 4/17 11PM - Midnight to 4/24/2024 10-11AM
Elk Rapids 4/23 2-3AM Ongoing. Last hour with moisture: 4/24 2-3AM Wet: 9
Span: 25
45.1 0.09 None No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 4/17 11PM - Midnight to 4/24/2024 10-11AM
Kewadin 4/23 2-3AM Ongoing. Last hour with moisture: 4/24 5-6AM Wet: 21
Span: 28
42.8 0.04 None None No risk until pre-bloom period Most recent period shown: 4/17 11PM - Midnight to 4/24/2024 10-11AM
Northport 4/23 1-2AM 4/23 4-5PM Wet: 9
Span: 16
49.1 0.03 None None No risk until pre-bloom period Most recent period shown: 4/17 11PM - Midnight to 4/24/2024 10-11AM
Old Mission 4/23 2-3AM 4/23 5-6PM Wet: 6
Span: 16
49.5 0.09 None No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 4/17 11PM - Midnight to 4/24/2024 10-11AM
Onekama Twp / Bear Lake 4/23 7-8PM Ongoing. Last hour with moisture: 4/24 Midnight-1AM Wet: 3
Span: 6
38.8 0.02 None No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 4/17 11PM - Midnight to 4/24/2024 10-11AM
Petoskey 4/23 2-3AM 4/23 8-9AM Wet: 4
Span: 7
47.6 0.08 None No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 4/17 11PM - Midnight to 4/24/2024 10-11AM
Petoskey (NCMC) 4/23 2-3AM 4/23 9-10AM Wet: 6
Span: 8
49 0.07 None No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 4/17 11PM - Midnight to 4/24/2024 10-11AM
Traverse City (NWMHRS) 4/23 1-2AM 4/23 5-6PM Wet: 8
Span: 17
49.6 0.15 None No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 4/17 11PM - Midnight to 4/24/2024 10-11AM
Williamsburg 20m Tower 4/23 2-3AM Ongoing. Last hour with moisture: 4/24 2-3AM Wet: 7
Span: 25
45.6 0.06 None No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 4/17 11PM - Midnight to 4/24/2024 10-11AM