Apple scab:  Primary infection period ratings

Return to radar list for Sanford ME
Weather data for Sanford 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
Thu, April 21  0 50% Green Tip  
Fri, April 22  0  
Sat, April 23  0.55   < 1
Sun, April 24  0  
Mon, April 25  0.02  
Tue, April 26  0.27  
Wed, April 27  0.05 Half-inch Green      
Thu, April 28  0.11 0 2% 4%
Fri, April 29  0 early Tight Cluster  
Sat, April 30  0  
Sun, May 1  0  
Mon, May 2  0  
Tue, May 3  0 Open Cluster  
Wed, May 4  0.53   < 1 3% 6%
Thu, May 5  0.12  
Fri, May 6  0  
Sat, May 7  0.37 3% 8% 12%
Sun, May 8  0.12 1% 2% 3%
Mon, May 9  0  
Tue, May 10  0.03 full Pink-extended < 1 < 1 < 1
Wed, May 11  0.03 late Pink      
Thu, May 12  0  
Fri, May 13  0  
Sat, May 14  0.12 < 1 1% 2%
Sun, May 15  1.42 18% 29% 41%
Mon, May 16  0.35 King Bloom 4% 6% 9%
Tue, May 17  0.39 3% 4% 5%
Wed, May 18  0.46   2% 3% 3%
Thu, May 19  0.76 6% 8% 10%
Fri, May 20  0.08  
Sat, May 21  0.39 Full Bloom 9% 11% 14%
Sun, May 22  0  
Mon, May 23  0.37 5% 7% 10%
Tue, May 24  0.43 3% 6% 9%
Wed, May 25  0.04   < 1 < 1 < 1
Thu, May 26  0  
Fri, May 27  0 95% Petal Fall  
Sat, May 28  0 100% Petal Fall  
Sun, May 29  0  
Mon, May 30  0 Fruit Set  
Tue, May 31  0  
Wed, June 1  0.07        
Thu, June 2  0  
Fri, June 3  0  
Sat, June 4  0  
Sun, June 5  0  
Mon, June 6  0  
Tue, June 7  0  
Wed, June 8  0        
Thu, June 9  0.51 0 8% 18%
Fri, June 10     
Sat, June 11    0 < 1 2%
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    Last formula in cell above.  Rows above may appear blank due to conditional formatting.  
Tue, June 28    0  
Wed, June 29    0