September degree days

Background Information for this page
Return to Apple list for Westhampton MA
Weather data for Westhampton 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 3364 +720 17 2427 +654
September 2 28 3392 +726 21 2448 +661
September 3 37 3429 +742 30 2478 +676
September 4 35 3464 +757 28 2506 +692
September 5 33 3498 +771 26 2533 +705
September 6 34 3532 +786 27 2560 +720
September 7 24 3556 +790 17 2577 +724
September 8 18 3574 +789 11 2588 +723
September 9 12 3586 +783 5 2593 +716
September 10 13 3599 +777 6 2599 +710
September 11 23 3622 +782 16 2615 +715
September 12 25 3648 +790 18 2634 +722
September 13 25 3673 +797 18 2652 +729
September 14 26 3698 +806 19 2671 +737
September 15 27 3725 +815 20 2691 +746
September 16 29 3754 +827 22 2712 +758
September 17 29 3783 +839 22 2734 +769
September 18 28 3811 +851 21 2755 +781
September 19 24 3835 +859 17 2772 +788
September 20 20 3855 +863 13 2785 +791
September 21 22 3876 +870 15 2800 +797
September 22 20 3897 +875 13 2813 +801
September 23 11 3907 +871 5 2817 +797
September 24 9 3916 +866 3 2820 +792
September 25 12 3928 +864 5 2825 +789
September 26 28 3956 +878 21 2846 +802
September 27 19 3975 +884 12 2858 +807
September 28 13 3988 +884 6 2864 +805
September 29 14 4002 +886 8 2871 +806
September 30 11 4013 +885 6 2878 +805