September degree days

Background Information for this page
Return to radar list for Belchertown MA
Weather data for Belchertown MA.  Forecast values begin May 17, 2012
Estimated degree day accumulations are from March 1. Observational data began March 20. 
The influence of warmer or colder than average winter are not accounted for in the accumulations.
Date Observed & Forecast Degree Days base 43
for this day
Cumulative Observed & Forecast DD base 43 Cumulative DD43 (NOT calender days) deviation from climatic average since
March 20
Observed & Forecast Degree Days base 50
for this day
 Cumulative Observed & Forecast
DD base 50F

(Climatic average in parentheses)
Cumulative DD50 (NOT calendar days) deviation from climatic average  since
March 20
September 1 21 3140 +267 14 2126 +187
September 2 21 3161 +267 14 2139 +187
September 3 21 3181 +267 14 2153 +187
September 4 21 3202 +267 14 2167 +187
September 5 21 3222 +267 14 2180 +187
September 6 20 3242 +267 13 2193 +187
September 7 20 3261 +267 13 2206 +187
September 8 20 3281 +267 13 2218 +187
September 9 20 3300 +267 13 2231 +187
September 10 19 3319 +267 12 2243 +187
September 11 19 3338 +267 12 2255 +187
September 12 19 3356 +267 12 2267 +187
September 13 19 3375 +267 12 2279 +187
September 14 18 3393 +267 11 2290 +187
September 15 18 3410 +267 11 2301 +187
September 16 18 3428 +267 11 2312 +187
September 17 17 3445 +267 10 2322 +187
September 18 17 3461 +267 10 2333 +187
September 19 17 3478 +267 10 2343 +187
September 20 16 3493 +267 9 2352 +187
September 21 16 3509 +267 9 2361 +187
September 22 16 3524 +267 9 2371 +187
September 23 15 3539 +267 9 2379 +187
September 24 15 3554 +267 9 2388 +187
September 25 15 3568 +267 9 2396 +187
September 26 14 3582 +267 8 2404 +187
September 27 14 3595 +267 8 2412 +187
September 28 13 3609 +267 8 2419 +187
September 29 13 3621 +267 7 2427 +187
September 30 12 3634 +267 7 2433 +187