Scab Ascospore Maturity
Background Information for this page
Return to Apple list for Middletown RI
Scab degree day accumulation stops if there is < 1/8th inch rain for 7 days,
and resumes when 7 day rain total exceeds 1/8th inch.
Weather data for Middletown RI.  Forecast values begin April 27, 2015
Date Observed and Forecast
Inches Rain
Cumulative Scab Degree Days 1 in 20 chance that cumulative ascospore maturity is
less than:
Estimated Cumulative
Ascospore Maturity
1 in 20 chance that cumulative ascospore maturity is
greater than:
Sun, April 19  0 15 1% 5%
Mon, April 20  0.64 28 1% 6%
Tue, April 21  0.27 54 1% 8%
Wed, April 22  0.07 72 2% 10%
Thu, April 23  0 83 2% 11%
Fri, April 24  0 94 2% 12%
Sat, April 25  0 106   3% 13%
Sun, April 26  0 118 3% 15%
Mon, April 27  0.05 139 1% 4% 18%
Tue, April 28  0.01 156 1% 5% 20%
Wed, April 29  0 156 1% 5% 20%
Thu, April 30  0.22 175 1% 6% 23%
Fri, May 1  0.89 191 1% 7% 26%
Sat, May 2  0.16 206 1% 9% 29%
Sun, May 3  0 223 2% 10% 32%
Mon, May 4  0 243 2% 12% 36%
Tue, May 5  0 263 3% 15% 41%
Wed, May 6  0 284 4% 18% 45%
Thu, May 7  307 5% 21% 50%
Fri, May 8  331 7% 25% 56%
Sat, May 9    355 9% 30% 61%
Sun, May 10  379 11% 34% 66%
Mon, May 11  403 14% 39% 71%
Tue, May 12  428 17% 45% 75%
Wed, May 13  453 21% 50% 79%
Thu, May 14  479 25% 56% 83%
Fri, May 15  505 30% 62% 87%
Sat, May 16    531 35% 67% 89%
Sun, May 17  557 41% 72% 92%
Mon, May 18  584 47% 77% 94%
Tue, May 19  611 53% 81% 96%
Wed, May 20  639 59% 85% 97%
Thu, May 21  667 65% 88% 98%
Fri, May 22  695 70% 91% 98%
Sat, May 23    723 76% 93% 99%
Sun, May 24  752 80% 95% 99%
Mon, May 25  781 85% 97% 100%
Tue, May 26  810 88% 98% 100%
Wed, May 27  840 91% 98% 100%
Thu, May 28  870 93% 99% 100%
Fri, May 29  900 95% 99% 100%