September degree days

Background Information for this page
Return to radar list for Greenville RI
Weather data for Greenville RI.  Forecast values begin May 22, 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 22 3287 +255 15 2251 +179
September 2 22 3309 +255 15 2266 +179
September 3 22 3330 +255 15 2281 +179
September 4 22 3352 +255 15 2295 +179
September 5 22 3373 +255 15 2310 +179
September 6 22 3395 +255 15 2324 +179
September 7 21 3415 +255 14 2338 +179
September 8 21 3436 +255 14 2352 +179
September 9 21 3456 +255 14 2365 +179
September 10 20 3476 +255 13 2378 +179
September 11 20 3496 +255 13 2391 +179
September 12 20 3515 +255 13 2404 +179
September 13 20 3535 +255 13 2417 +179
September 14 19 3554 +255 12 2429 +179
September 15 19 3572 +255 12 2441 +179
September 16 19 3591 +255 12 2452 +179
September 17 18 3609 +255 11 2464 +179
September 18 18 3626 +255 11 2475 +179
September 19 18 3644 +255 11 2486 +179
September 20 17 3660 +255 10 2496 +179
September 21 17 3677 +255 10 2506 +179
September 22 17 3693 +255 10 2516 +179
September 23 16 3709 +255 9 2525 +179
September 24 16 3724 +255 9 2535 +179
September 25 16 3740 +255 9 2544 +179
September 26 15 3754 +255 9 2552 +179
September 27 15 3769 +255 9 2561 +179
September 28 14 3783 +255 8 2569 +179
September 29 14 3797 +255 8 2577 +179
September 30 13 3810 +255 8 2585 +179