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  • Michigan State University Extension
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West Central Disease Report: Most recent wetting event (Report issued 4/18/2024 18:23 )

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
Aetna / Fremont 4/17 2-3AM Ongoing. Last hour with moisture: 4/18 1-2PM Wet: 24
Span: 36		 49.6 0.33 Moderate (Symptoms appear: 5/11) Low No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Alpine Twp / Comstock Park 4/17 Noon-1PM 4/17 Noon-1PM Wet: 1
Span: 1		 61.6 0.76 None None No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Belding 4/17 Noon-1PM 4/17 1-2PM Wet: 2
Span: 2		 61.6 0.29 None None No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Benona / Shelby 4/17 Midnight-1AM 4/17 7-8PM Wet: 13
Span: 20		 50.8 0.6 None None No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Clarksville 4/17 1-2PM 4/17 10-11PM Wet: 3
Span: 10		 57.2 0.14 None None No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Conklin / Wright 4/16 8-9PM 4/17 1-2PM Wet: 10
Span: 18		 56.9 0.19 None Low No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Elbridge / Hart 4/17 Midnight-1AM 4/18 7-8AM Wet: 23
Span: 32		 49.9 0.43 Moderate (Symptoms appear: 5/13) Low No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Entrican 4/17 9-10AM 4/17 10-11PM Wet: 8
Span: 14		 56.3 0.33 None None No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Fremont 4/17 1-2AM 4/17 7-8PM Wet: 8
Span: 19		 53.4 0.38 None None No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Grant 4/17 1-2AM 4/17 8-9PM Wet: 12
Span: 20		 54.5 0.5 Light (Symptoms appear: 5/10) Low No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Hart 4/17 1-2AM 4/17 6-7PM Wet: 11
Span: 18		 52.8 0.5 None No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Hudsonville 4/17 Midnight-1AM 4/17 1-2PM Wet: 7
Span: 14		 58.9 1.1 None None No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Kent City 4/16 8-9PM 4/17 9-10PM Wet: 14
Span: 26		 56.3 0.23 Light (Symptoms appear: 5/9) Low No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Hourly data missing for: 4/18/2024 11AM-Noon (1 hour); Total of 1 missing hoursHourly data estimated for: 4/18/2024 11AM-Noon (1 hour); Total of 1 estimated hours
Ludington 4/17 1-2AM 4/17 2-3PM Wet: 12
Span: 14		 51.6 0.45 None No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Mears 4/17 1-2AM 4/17 6-7PM Wet: 10
Span: 18		 51.7 0.61 None No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Mecosta 4/18 2-3PM Ongoing. Last hour with moisture: 4/18 2-3PM Wet: 1
Span: 1		 51 0.01 None None No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
New Era 4/17 Midnight-1AM 4/17 6-7PM Wet: 12
Span: 19		 51.6 0.48 None No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Reeman / Fremont - West 4/17 1-2AM 4/17 7-8PM Wet: 10
Span: 19		 53.1 0.45 None None No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Shelby - East 4/17 Midnight-1AM 4/18 8-9AM Wet: 18
Span: 33		 49.5 0.58 Light (Symptoms appear: 5/13) No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Sparta 4/17 1-2AM 4/17 4-5PM Wet: 9
Span: 16		 56.8 0.75 None None No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Sparta 20m Tower 4/17 1-2AM 4/17 1-2PM Wet: 5
Span: 13		 55.3 0.8 None None No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Sparta - North 4/18 2-3PM Ongoing. Last hour with moisture: 4/18 2-3PM Wet: 1
Span: 1		 50.2 0.01 None None No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
Standale / Walker 4/17 Noon-1PM 4/17 1-2PM Wet: 2
Span: 2		 59.9 0.51 None None No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM
West Olive 4/17 Midnight-1AM 4/17 8-9AM Wet: 5
Span: 9		 57.6 0.11 None None No risk until pre-bloom period Most recent period shown: 4/11 11PM - Midnight to 4/18/2024 10-11AM

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