Apple scab:  Primary infection period ratings

Return to radar list for Monmouth ME
Weather data for Monmouth ME.  Forecast values begin September 20, 2011
      These ratings are relative because they do not account for scab spore population density, which is the MOST important factor determining absolute infection risk.  Estimates also do not account for any secondary scab spores that might be present from earlier uncontrolled primary scab infection periods.  
Date Observed & Forecast
Inches Rain
McIntosh
bud stage
1 in 20 chance that actual value is equal or less than Estimated Portion
of Total Annual

Primary Scab Infection Potential
1 in 20 chance that actual value is more than
Mon, April 25  0.06 50% Green Tip  
Tue, April 26  0.72 0 < 1 < 1
Wed, April 27  0.07  
Thu, April 28  0.28 0 < 1 < 1
Fri, April 29  0.01  
Sat, April 30  0  
Sun, May 1  0        
Mon, May 2  0 Half-inch Green  
Tue, May 3  0.02   < 1
Wed, May 4  0.55 0 1% 3%
Thu, May 5  0.20 0 < 1 < 1
Fri, May 6  0  
Sat, May 7  0.13 early Tight Cluster 0 2% 4%
Sun, May 8  0        
Mon, May 9  0 Tight Cluster  
Tue, May 10  0.14 < 1 1% 2%
Wed, May 11  0  
Thu, May 12  0 Open Cluster  
Fri, May 13  0  
Sat, May 14  0.17 < 1 < 1 1%
Sun, May 15  1.39   8% 16% 24%
Mon, May 16  0.47 2% 4% 5%
Tue, May 17  0.24 full Pink-extended 1% 2% 3%
Wed, May 18  0.08 < 1 < 1 < 1
Thu, May 19  0.68 4% 7% 11%
Fri, May 20  0.55 late Pink 3% 6% 8%
Sat, May 21  0.79 King Bloom 3% 6% 8%
Sun, May 22  0        
Mon, May 23  0.23 3% 4% 5%
Tue, May 24  0.15  
Wed, May 25  0 Full Bloom  
Thu, May 26  0  
Fri, May 27  0.18 1% 2% 2%
Sat, May 28  0  
Sun, May 29  0        
Mon, May 30  0.32 95% Petal Fall 1% 2% 3%
Tue, May 31  0 100% Petal Fall  
Wed, June 1  0.44 25% 38% 51%
Thu, June 2  0  
Fri, June 3  0 Fruit Set  
Sat, June 4  0  
Sun, June 5  0        
Mon, June 6  0  
Tue, June 7  0  
Wed, June 8  0  
Thu, June 9  1.11 < 1 7% 13%
Fri, June 10     
Sat, June 11    0 < 1 1%
Sun, June 12          < 1
Mon, June 13     
Tue, June 14     
Wed, June 15     
Thu, June 16     
Fri, June 17     
Sat, June 18     
Sun, June 19           
Mon, June 20     
Tue, June 21     
Wed, June 22     
Thu, June 23     
Fri, June 24     
Sat, June 25     
Sun, June 26           
Mon, June 27     
Tue, June 28     
Wed, June 29     
Thu, June 30     
Fri, July 1    Last formula in cell above.  Rows above may appear blank due to conditional formatting.  
Sat, July 2    0  
Sun, July 3    0