Apple scab:  Primary infection period ratings

Return to radar list for Middletown RI
Weather data for Middletown RI.  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
Tue, April 12  0.21 50% Green Tip  
Wed, April 13  2.17   < 1
Thu, April 14  0  
Fri, April 15  0  
Sat, April 16  0.22  
Sun, April 17  0.93  
Mon, April 18  0        
Tue, April 19  0.04   < 1
Wed, April 20  0.01  
Thu, April 21  0  
Fri, April 22  0  
Sat, April 23  0.58 0 2% 4%
Sun, April 24  0.04 Half-inch Green  
Mon, April 25  0        
Tue, April 26  0  
Wed, April 27  0.15 early Tight Cluster  
Thu, April 28  0.66 1% 6% 10%
Fri, April 29  0.08 Tight Cluster  
Sat, April 30  0 Open Cluster  
Sun, May 1  0  
Mon, May 2  0        
Tue, May 3  0  
Wed, May 4  0.36 7% 14% 20%
Thu, May 5  0.04 full Pink-extended  
Fri, May 6  0  
Sat, May 7  0  
Sun, May 8  0 late Pink  
Mon, May 9  0.02   < 1 1% 2%
Tue, May 10  0.02 King Bloom < 1 < 1 1%
Wed, May 11  0.02  
Thu, May 12  0  
Fri, May 13  0  
Sat, May 14  0.03 2% 3% 3%
Sun, May 15  0.42 38% 50% 62%
Mon, May 16  0.39 Full Bloom 6% 8% 9%
Tue, May 17  1.36 2% 3% 5%
Wed, May 18  0.27 < 1 < 1 < 1
Thu, May 19  1.11 1% 5% 9%
Fri, May 20  0.14  
Sat, May 21  0  
Sun, May 22  0  
Mon, May 23  0.09 95% Petal Fall 0 < 1 < 1
Tue, May 24  0.32 100% Petal Fall  
Wed, May 25  0  
Thu, May 26  0  
Fri, May 27  0 Fruit Set  
Sat, May 28  0  
Sun, May 29  0  
Mon, May 30  0        
Tue, May 31  0  
Wed, June 1  0.18 0 1% 3%
Thu, June 2  0  
Fri, June 3  0  
Sat, June 4  0  
Sun, June 5  0.02 0 < 1 < 1
Mon, June 6  0        
Tue, June 7  0  
Wed, June 8  0.06 0 < 1 < 1
Thu, June 9  0.51 0 6% 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    Last formula in cell above.  Rows above may appear blank due to conditional formatting.  
Sun, June 19    0  
Mon, June 20    0