September degree days

Background Information for this page
Return to Apple list for Easthampton MA
Weather data for Easthampton MA.  Forecast values begin July 16, 2018
Estimated degree day accumulations are from March 1. Observational data began April 12. 
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
April 12
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
April 12
September 1 22 3166 +522 15 2227 +454
September 2 21 3187 +522 14 2241 +454
September 3 21 3209 +522 14 2256 +454
September 4 20 3228 +522 13 2269 +454
September 5 20 3248 +522 13 2282 +454
September 6 20 3268 +522 13 2295 +454
September 7 20 3287 +522 13 2307 +454
September 8 19 3306 +522 12 2319 +454
September 9 19 3325 +522 12 2331 +454
September 10 19 3344 +522 12 2343 +454
September 11 18 3362 +522 12 2355 +454
September 12 18 3380 +522 11 2366 +454
September 13 18 3397 +522 11 2377 +454
September 14 17 3415 +522 11 2388 +454
September 15 17 3432 +522 11 2399 +454
September 16 17 3448 +522 10 2409 +454
September 17 17 3465 +522 10 2419 +454
September 18 16 3481 +522 10 2429 +454
September 19 16 3497 +522 9 2438 +454
September 20 16 3513 +522 9 2448 +454
September 21 15 3528 +522 9 2457 +454
September 22 15 3543 +522 9 2466 +454
September 23 15 3558 +522 9 2474 +454
September 24 14 3572 +522 8 2482 +454
September 25 14 3586 +522 8 2490 +454
September 26 13 3599 +522 8 2498 +454
September 27 13 3613 +522 8 2505 +454
September 28 13 3626 +522 7 2513 +454
September 29 12 3638 +522 7 2520 +454
September 30 12 3650 +522 7 2526 +454