September degree days

Background Information for this page
Return to radar list for Middletown RI
Weather data for Middletown RI.  Forecast values begin May 22, 2012
Estimated degree day accumulations are from March 1. Observational data began March 23. 
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 23
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 23
September 1 23 3284 +68 16 2251 +23
September 2 23 3307 +68 16 2267 +23
September 3 23 3329 +68 16 2283 +23
September 4 23 3352 +68 16 2298 +23
September 5 23 3374 +68 16 2314 +23
September 6 23 3397 +68 16 2330 +23
September 7 23 3419 +68 16 2345 +23
September 8 22 3441 +68 15 2360 +23
September 9 22 3462 +68 15 2374 +23
September 10 22 3484 +68 15 2389 +23
September 11 21 3505 +68 14 2403 +23
September 12 21 3525 +68 14 2417 +23
September 13 21 3546 +68 14 2430 +23
September 14 21 3566 +68 14 2444 +23
September 15 20 3586 +68 13 2457 +23
September 16 20 3606 +68 13 2470 +23
September 17 20 3626 +68 13 2482 +23
September 18 19 3644 +68 12 2494 +23
September 19 19 3663 +68 12 2506 +23
September 20 19 3681 +68 12 2518 +23
September 21 18 3699 +68 11 2529 +23
September 22 18 3716 +68 11 2540 +23
September 23 18 3734 +68 11 2551 +23
September 24 17 3750 +68 10 2561 +23
September 25 17 3767 +68 10 2571 +23
September 26 16 3783 +68 10 2581 +23
September 27 16 3798 +68 9 2590 +23
September 28 15 3813 +68 9 2599 +23
September 29 15 3828 +68 9 2608 +23
September 30 15 3843 +68 9 2617 +23