September degree days

Background Information for this page
Return to Apple list for Easthampton MA
Weather data for Easthampton MA.  Forecast values begin October 3, 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 24 3369 +725 17 2430 +656
September 2 28 3397 +731 21 2450 +663
September 3 37 3434 +747 30 2480 +678
September 4 35 3469 +762 28 2508 +694
September 5 33 3503 +776 26 2535 +707
September 6 34 3537 +791 27 2562 +722
September 7 24 3561 +795 17 2579 +726
September 8 18 3579 +795 11 2590 +725
September 9 12 3591 +788 5 2595 +718
September 10 13 3604 +782 6 2602 +712
September 11 23 3628 +787 16 2618 +717
September 12 25 3653 +795 18 2636 +724
September 13 25 3678 +802 18 2654 +731
September 14 25 3704 +811 18 2673 +739
September 15 27 3730 +820 20 2693 +748
September 16 29 3759 +832 22 2714 +760
September 17 29 3788 +844 22 2736 +771
September 18 28 3816 +856 21 2757 +783
September 19 24 3840 +864 17 2774 +790
September 20 20 3860 +868 13 2787 +793
September 21 21 3881 +874 14 2801 +798
September 22 21 3901 +880 14 2815 +803
September 23 11 3912 +876 5 2819 +799
September 24 9 3921 +871 3 2822 +794
September 25 12 3933 +869 5 2827 +791
September 26 28 3961 +883 21 2848 +804
September 27 19 3980 +889 12 2860 +809
September 28 13 3993 +889 6 2866 +807
September 29 14 4007 +891 8 2874 +808
September 30 11 4018 +890 6 2880 +808