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  • Michigan State University Extension
  • Michigan State University Ag Bio Research
  • Project GREEEN

Petersburg (1999 - 2017) Historical Degree Day Summary (Numerical Integration method) from 3/1 to 5/13 (Report issued 4/25/2024 9:21)

Year Degree Days Base 42°F Degree Days Base 45°F Degree Days Base 50°F Dates evaluated
2013 435 343 220 Data from 3/1 through 5/13/2013.
Temperature data missing for: 3/1/2013 Midnight-1AM - 3/10/2013 Midnight-1AM (217 hours); 3/10/2013 2-3AM - 5/13/2013 11PM - Midnight (1558 hours); Total of 1775 missing hours
2012 803 653 437 Data from 3/1 through 5/13/2012.
Temperature data missing for: 3/1/2012 Midnight-1AM - 3/11/2012 Midnight-1AM (241 hours); 3/11/2012 2-3AM - 5/13/2012 11PM - Midnight (1534 hours); Total of 1775 missing hours
2011 429 333 209 Data from 3/1 through 5/13/2011.
Temperature data missing for: 3/1/2011 Midnight-1AM - 3/13/2011 Midnight-1AM (289 hours); 3/13/2011 2-3AM - 5/13/2011 11PM - Midnight (1486 hours); Total of 1775 missing hours
2010 668 533 349 Data from 3/1 through 5/13/2010.
Temperature data missing for: 3/1/2010 Midnight-1AM - 3/14/2010 Midnight-1AM (313 hours); 3/14/2010 2-3AM - 5/13/2010 11PM - Midnight (1462 hours); Total of 1775 missing hours
2009 508 391 240 Data from 3/1 through 5/13/2009.
Temperature data missing for: 3/1/2009 Midnight-1AM - 3/8/2009 Midnight-1AM (169 hours); 3/8/2009 2-3AM - 5/13/2009 11PM - Midnight (1606 hours); Total of 1775 missing hours
Average of 0 years NA NA NA 0 years with > 90% of data.
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