Heating degree days

Base temperature



°C

Heating season begins


Calculation method






Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
2020/2021 115.3 264.5 376.0 188.5 583.5 435.5 349.3 343.5 203.8 41.3 26.3 69.8 2997.0
2021/2022 103.8 277.5 400.5 525.5 128.5 217.5 335.0 1988.3
2023/2024 51.5 210.3 306.0 111.5 679.3

2020/2021
2021/2022
2023/2024
sum
avg
Sep 115.3103.851.5 270.5 90.2
Oct 264.5277.5210.3 752.3 250.8
Nov 376.0400.5306.0 1082.5 360.8
Dec 188.5525.5111.5 825.5 275.2
Jan 583.5128.5 583.5 291.8
Feb 435.5217.5 753.5 376.8
Mar 349.3335.0 743.8 371.9
Apr 343.5 246.0 246.0
May 203.8 191.5 191.5
Jun 41.3 63.0 63.0
Jul 26.3 51.3 51.3
Aug 69.8 31.3 31.3












2020/2021


2021/2022


2023/2024


2020/2021
Day
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
15.55.510.519.021.521.54.04.85.01.30.8
24.56.07.020.516.019.59.510.03.82.51.3
34.01.35.521.015.017.513.011.53.01.01.5
43.52.58.521.015.514.014.58.52.01.52.0
51.56.512.521.016.016.012.57.51.51.33.5
63.06.312.521.018.519.018.510.50.81.32.3
73.35.511.517.018.522.519.59.01.50.01.8
83.57.015.013.018.523.517.515.09.51.30.31.0
93.35.813.018.522.019.514.55.51.30.51.5
103.05.314.519.523.517.59.01.51.31.51.0
111.310.013.521.526.019.07.01.01.30.81.0
121.812.514.025.027.014.09.51.50.81.01.3
131.313.513.018.025.513.017.06.53.50.30.8
141.513.519.523.513.514.57.03.80.30.3
151.39.020.525.016.016.05.82.31.00.3
161.312.022.523.015.015.54.31.00.50.5
172.811.024.516.516.514.07.00.80.03.5
184.811.56.526.014.517.012.05.00.50.03.3
195.511.014.520.018.017.011.57.00.50.51.5
203.510.516.016.519.021.58.56.50.31.81.3
213.39.518.016.018.522.08.56.80.32.31.5
221.88.519.514.517.09.04.50.51.31.3
232.09.517.514.016.011.07.50.31.50.8
241.06.019.517.515.511.08.50.01.34.0
254.09.019.018.012.010.58.50.50.54.8
269.56.518.519.09.512.07.81.00.54.5
279.09.519.020.010.010.54.51.00.05.0
2810.59.019.020.012.57.07.00.80.35.0
298.012.519.016.59.04.87.00.50.84.5
306.512.019.016.516.54.03.87.00.80.84.5
316.518.520.04.85.00.34.0
2020/2021
Day Sep
°C
Oct
°C
Nov
°C
Dec
°C
Jan
°C
Feb
°C
Mar
°C
Apr
°C
May
°C
Jun
°C
Jul
°C
Aug
°C
114.5
16.0/13.0
14.5
17.0/12.0
9.5
10.0/9.0
1.0
1.0/1.0
-1.5
1.0/-4.0
-1.5
4.0/-7.0
17.5
26.0/9.0
15.5
21.0/10.0
16.0
24.0/8.0
19.5
23.0/16.0
21.5
26.0/17.0
216.5
24.0/9.0
14.0
18.0/10.0
13.0
16.0/10.0
-0.5
2.0/-3.0
4.0
7.0/1.0
0.5
2.0/-1.0
10.5
14.0/7.0
10.0
12.0/8.0
17.5
25.0/10.0
17.5
20.0/15.0
20.5
26.0/15.0
317.0
24.0/10.0
20.0
25.0/15.0
14.5
18.0/11.0
-1.0
-1.0/-1.0
5.0
6.0/4.0
2.5
4.0/1.0
7.0
11.0/3.0
8.5
13.0/4.0
18.5
26.0/11.0
20.5
25.0/16.0
20.5
27.0/14.0
418.0
26.0/10.0
18.5
24.0/13.0
11.5
13.0/10.0
-1.0
-1.0/-1.0
4.5
6.0/3.0
6.0
10.0/2.0
5.5
10.0/1.0
12.0
22.0/2.0
20.5
29.0/12.0
20.5
27.0/14.0
19.0
24.0/14.0
521.5
29.0/14.0
13.5
17.0/10.0
7.5
12.0/3.0
-1.0
-1.0/-1.0
4.0
5.0/3.0
4.0
7.0/1.0
7.5
17.0/-2.0
12.5
17.0/8.0
21.5
29.0/14.0
21.0
27.0/15.0
16.5
18.0/15.0
617.0
20.0/14.0
14.0
21.0/7.0
7.5
15.0/0.0
-1.0
-1.0/-1.0
1.5
3.0/0.0
1.0
3.0/-1.0
1.5
4.0/-1.0
9.5
16.0/3.0
22.5
28.0/17.0
24.0
33.0/15.0
19.0
25.0/13.0
717.0
21.0/13.0
14.5
18.0/11.0
8.5
15.0/2.0
3.0
7.0/-1.0
1.5
3.0/0.0
-2.5
-1.0/-4.0
0.5
5.0/-4.0
11.0
15.0/7.0
21.0
28.0/14.0
25.0
29.0/21.0
20.5
28.0/13.0
818.0
26.0/10.0
13.0
19.0/7.0
5.0
8.0/2.0
7.0
7.0/7.0
1.5
3.0/0.0
-3.5
-2.0/-5.0
2.5
6.0/-1.0
5.0
8.0/2.0
10.5
18.0/3.0
22.0
29.0/15.0
26.5
34.0/19.0
20.5
25.0/16.0
918.5
27.0/10.0
14.5
21.0/8.0
7.0
9.0/5.0
1.5
3.0/0.0
-2.0
1.0/-5.0
0.5
5.0/-4.0
5.5
15.0/-4.0
15.5
24.0/7.0
21.5
28.0/15.0
22.0
26.0/18.0
21.5
29.0/14.0
1018.0
24.0/12.0
15.0
21.0/9.0
5.5
7.0/4.0
0.5
3.0/-2.0
-3.5
0.0/-7.0
2.5
8.0/-3.0
11.0
20.0/2.0
20.5
27.0/14.0
21.5
28.0/15.0
21.0
28.0/14.0
23.0
30.0/16.0
1121.0
27.0/15.0
10.0
13.0/7.0
6.5
7.0/6.0
-1.5
1.0/-4.0
-6.0
-4.0/-8.0
1.0
6.0/-4.0
13.0
18.0/8.0
23.0
30.0/16.0
21.0
27.0/15.0
21.5
26.0/17.0
22.0
28.0/16.0
1221.0
29.0/13.0
7.5
10.0/5.0
6.0
7.0/5.0
-5.0
-4.0/-6.0
-7.0
-4.0/-10.0
6.0
11.0/1.0
10.5
19.0/2.0
19.5
24.0/15.0
22.5
28.0/17.0
22.5
29.0/16.0
22.5
30.0/15.0
1322.5
30.0/15.0
6.5
8.0/5.0
7.0
8.0/6.0
2.0
3.0/1.0
-5.5
-1.0/-10.0
7.0
14.0/0.0
3.0
4.0/2.0
13.5
16.0/11.0
16.5
19.0/14.0
26.5
34.0/19.0
24.5
32.0/17.0
1423.5
33.0/14.0
6.5
8.0/5.0
0.5
2.0/-1.0
-3.5
1.0/-8.0
6.5
9.0/4.0
5.5
8.0/3.0
13.0
16.0/10.0
17.5
25.0/10.0
23.0
27.0/19.0
26.0
33.0/19.0
1523.5
32.0/15.0
11.0
15.0/7.0
-0.5
1.0/-2.0
-5.0
1.0/-11.0
4.0
9.0/-1.0
4.0
6.0/2.0
14.5
21.0/8.0
20.5
30.0/11.0
22.5
29.0/16.0
26.5
34.0/19.0
1621.5
28.0/15.0
8.0
9.0/7.0
-2.5
-1.0/-4.0
-3.0
-1.0/-5.0
5.0
7.0/3.0
4.5
7.0/2.0
16.0
21.0/11.0
23.0
30.0/16.0
24.0
30.0/18.0
25.0
32.0/18.0
1718.0
23.0/13.0
9.0
11.0/7.0
-4.5
-1.0/-8.0
3.5
9.0/-2.0
3.5
6.0/1.0
6.0
7.0/5.0
13.0
15.0/11.0
24.5
32.0/17.0
25.0
30.0/20.0
16.5
19.0/14.0
1815.5
21.0/10.0
8.5
12.0/5.0
13.5
15.0/12.0
-6.0
-4.0/-8.0
5.5
10.0/1.0
3.0
6.0/0.0
8.0
11.0/5.0
15.0
20.0/10.0
25.0
32.0/18.0
24.5
28.0/21.0
17.0
21.0/13.0
1915.5
24.0/7.0
9.0
12.0/6.0
5.5
7.0/4.0
0.0
4.0/-4.0
2.0
5.0/-1.0
3.0
6.0/0.0
8.5
11.0/6.0
13.0
18.0/8.0
26.5
35.0/18.0
23.0
28.0/18.0
20.0
26.0/14.0
2018.0
26.0/10.0
9.5
15.0/4.0
4.0
8.0/0.0
3.5
8.0/-1.0
1.0
3.0/-1.0
-1.5
2.0/-5.0
11.5
16.0/7.0
13.5
18.0/9.0
27.0
35.0/19.0
19.0
23.0/15.0
20.5
26.0/15.0
2118.5
27.0/10.0
10.5
13.0/8.0
2.0
7.0/-3.0
4.0
7.0/1.0
1.5
2.0/1.0
-2.0
3.0/-7.0
11.5
18.0/5.0
13.5
21.0/6.0
26.0
33.0/19.0
19.0
25.0/13.0
21.0
28.0/14.0
2220.5
28.0/13.0
11.5
18.0/5.0
0.5
5.0/-4.0
5.5
10.0/1.0
3.0
6.0/0.0
11.0
15.0/7.0
15.5
20.0/11.0
24.0
30.0/18.0
21.0
27.0/15.0
21.0
27.0/15.0
2319.5
26.0/13.0
10.5
15.0/6.0
2.5
4.0/1.0
6.0
9.0/3.0
4.0
8.0/0.0
9.0
13.0/5.0
12.5
16.0/9.0
23.5
28.0/19.0
21.5
29.0/14.0
21.0
25.0/17.0
2422.0
28.0/16.0
14.0
18.0/10.0
0.5
2.0/-1.0
2.5
5.0/0.0
4.5
8.0/1.0
9.0
18.0/0.0
11.5
18.0/5.0
26.5
33.0/20.0
23.0
31.0/15.0
16.0
19.0/13.0
2516.0
18.0/14.0
11.0
12.0/10.0
1.0
2.0/0.0
2.0
4.0/0.0
8.0
17.0/-1.0
9.5
13.0/6.0
11.5
14.0/9.0
22.0
26.0/18.0
23.0
28.0/18.0
15.5
21.0/10.0
2610.5
14.0/7.0
13.5
15.0/12.0
1.5
2.0/1.0
1.0
3.0/-1.0
10.5
19.0/2.0
8.0
15.0/1.0
12.5
21.0/4.0
21.5
27.0/16.0
24.5
31.0/18.0
15.5
20.0/11.0
2711.0
18.0/4.0
10.5
12.0/9.0
1.0
1.0/1.0
0.0
3.0/-3.0
10.0
16.0/4.0
9.5
15.0/4.0
15.5
19.0/12.0
23.0
30.0/16.0
26.0
32.0/20.0
15.0
19.0/11.0
289.5
12.0/7.0
11.0
16.0/6.0
1.0
1.0/1.0
0.0
3.0/-3.0
7.5
13.0/2.0
13.0
18.0/8.0
13.0
18.0/8.0
24.5
32.0/17.0
26.5
34.0/19.0
15.0
20.0/10.0
2912.0
14.0/10.0
7.5
11.0/4.0
1.0
1.0/1.0
3.5
7.0/0.0
11.0
19.0/3.0
15.5
21.0/10.0
13.0
17.0/9.0
25.0
32.0/18.0
24.0
31.0/17.0
15.5
19.0/12.0
3013.5
16.0/11.0
8.0
13.0/3.0
1.0
1.0/1.0
3.5
6.0/1.0
3.5
8.0/-1.0
17.0
24.0/10.0
17.0
23.0/11.0
13.0
17.0/9.0
22.5
28.0/17.0
24.5
32.0/17.0
16.0
22.0/10.0
3113.5
17.0/10.0
1.5
7.0/-4.0
0.0
3.0/-3.0
16.5
25.0/8.0
15.0
20.0/10.0
24.0
29.0/19.0
16.0
20.0/12.0
2021/2022
Day
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
13.08.59.516.010.517.5
23.34.512.514.014.518.0
33.54.313.020.013.018.0
42.53.812.021.512.018.5
53.01.514.519.514.017.0
63.85.514.017.518.520.0
73.37.519.022.018.5
83.06.513.024.016.5
91.510.511.519.515.5
103.312.512.019.517.0
112.310.014.519.019.5
121.010.515.519.019.5
131.313.018.017.516.0
141.513.014.516.512.512.0
151.88.513.514.515.512.5
160.510.012.013.513.011.5
173.012.514.015.09.012.0
184.59.512.016.012.012.0
196.011.011.515.014.514.5
208.05.010.018.015.514.5
216.57.012.519.513.014.5
227.510.014.022.514.5
234.013.517.023.514.0
243.513.517.016.014.5
251.510.518.019.517.0
263.013.017.524.517.5
272.511.520.021.516.0
282.012.519.519.0
296.519.0
307.09.018.018.0
319.010.5
2021/2022
Day Sep
°C
Oct
°C
Nov
°C
Dec
°C
Jan
°C
Feb
°C
Mar
°C
Apr
°C
May
°C
Jun
°C
Jul
°C
Aug
°C
117.5
22.0/13.0
11.5
19.0/4.0
10.5
14.0/7.0
4.0
6.0/2.0
9.5
14.0/5.0
2.5
8.0/-3.0
217.5
23.0/12.0
15.5
20.0/11.0
7.5
10.0/5.0
6.0
8.0/4.0
5.5
9.0/2.0
2.0
8.0/-4.0
318.0
26.0/10.0
16.0
21.0/11.0
7.0
11.0/3.0
0.0
4.0/-4.0
7.0
12.0/2.0
2.0
8.0/-4.0
419.5
28.0/11.0
17.0
23.0/11.0
8.0
12.0/4.0
-1.5
2.0/-5.0
8.0
10.0/6.0
1.5
5.0/-2.0
518.0
24.0/12.0
19.5
24.0/15.0
5.5
10.0/1.0
0.5
2.0/-1.0
6.0
9.0/3.0
3.0
5.0/1.0
617.5
25.0/10.0
14.5
19.0/10.0
6.0
12.0/0.0
2.5
3.0/2.0
1.5
5.0/-2.0
0.0
2.0/-2.0
718.0
25.0/11.0
12.5
15.0/10.0
1.0
2.0/0.0
-2.0
2.0/-6.0
1.5
4.0/-1.0
818.5
26.0/11.0
13.5
18.0/9.0
7.0
11.0/3.0
-4.0
-3.0/-5.0
3.5
9.0/-2.0
920.5
27.0/14.0
9.5
14.0/5.0
8.5
12.0/5.0
0.5
1.0/0.0
4.5
11.0/-2.0
1018.5
27.0/10.0
7.5
13.0/2.0
8.0
11.0/5.0
0.5
2.0/-1.0
3.0
7.0/-1.0
1120.0
29.0/11.0
10.0
17.0/3.0
5.5
6.0/5.0
1.0
2.0/0.0
0.5
6.0/-5.0
1221.5
27.0/16.0
9.5
14.0/5.0
4.5
6.0/3.0
1.0
3.0/-1.0
0.5
7.0/-6.0
1321.0
27.0/15.0
7.0
11.0/3.0
2.0
4.0/0.0
2.5
5.0/0.0
4.0
11.0/-3.0
1421.0
28.0/14.0
7.0
12.0/2.0
5.5
7.0/4.0
3.5
5.0/2.0
7.5
8.0/7.0
8.0
14.0/2.0
1520.5
28.0/13.0
11.5
15.0/8.0
6.5
10.0/3.0
5.5
7.0/4.0
4.5
10.0/-1.0
7.5
15.0/0.0
1623.5
29.0/18.0
10.0
15.0/5.0
8.0
11.0/5.0
6.5
8.0/5.0
7.0
13.0/1.0
8.5
12.0/5.0
1717.0
19.0/15.0
7.5
14.0/1.0
6.0
7.0/5.0
5.0
7.0/3.0
11.0
15.0/7.0
8.0
14.0/2.0
1815.5
18.0/13.0
10.5
16.0/5.0
8.0
10.0/6.0
4.0
6.0/2.0
8.0
11.0/5.0
8.0
14.0/2.0
1914.0
17.0/11.0
9.0
14.0/4.0
8.5
11.0/6.0
5.0
7.0/3.0
5.5
11.0/0.0
5.5
11.0/0.0
2012.0
15.0/9.0
15.0
20.0/10.0
10.0
11.0/9.0
2.0
4.0/0.0
4.5
10.0/-1.0
5.5
10.0/1.0
2113.5
16.0/11.0
13.0
19.0/7.0
7.5
9.0/6.0
0.5
3.0/-2.0
7.0
11.0/3.0
5.5
13.0/-2.0
2212.5
15.0/10.0
10.0
14.0/6.0
6.0
8.0/4.0
-2.5
1.0/-6.0
5.5
8.0/3.0
2317.0
24.0/10.0
6.5
11.0/2.0
3.0
7.0/-1.0
-3.5
-1.0/-6.0
6.0
11.0/1.0
2416.5
20.0/13.0
6.5
13.0/0.0
3.0
6.0/0.0
4.0
10.0/-2.0
5.5
13.0/-2.0
2520.5
27.0/14.0
9.5
14.0/5.0
2.0
4.0/0.0
0.5
4.0/-3.0
3.0
7.0/-1.0
2618.5
26.0/11.0
7.0
11.0/3.0
2.5
4.0/1.0
-4.5
-2.0/-7.0
2.5
7.0/-2.0
2718.0
22.0/14.0
8.5
15.0/2.0
0.0
1.0/-1.0
-1.5
1.0/-4.0
4.0
8.0/0.0
2819.0
24.0/14.0
7.5
13.0/2.0
0.5
1.0/0.0
1.0
4.0/-2.0
2913.5
17.0/10.0
1.0
2.0/0.0
3013.0
18.0/8.0
11.0
15.0/7.0
2.0
3.0/1.0
2.0
4.0/0.0
3111.0
15.0/7.0
9.5
15.0/4.0
2023/2024
Day
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
13.05.810.520.0
21.54.021.5
31.03.023.0
43.35.325.5
53.38.021.5
66.8
75.5
86.5
90.08.0
101.84.0
111.54.510.5
121.04.314.5
131.31.517.0
141.03.810.0
152.810.0
162.312.5
170.013.014.0
181.312.516.5
192.010.017.5
203.03.312.5
211.02.314.0
221.07.017.0
237.516.0
244.57.515.5
252.87.018.5
261.56.521.0
271.810.018.0
282.38.519.5
292.88.022.0
304.37.521.5
316.5
2023/2024
Day Sep
°C
Oct
°C
Nov
°C
Dec
°C
Jan
°C
Feb
°C
Mar
°C
Apr
°C
May
°C
Jun
°C
Jul
°C
Aug
°C
118.0
24.0/12.0
15.0
23.0/7.0
9.5
12.0/7.0
0.0
1.0/-1.0
220.5
27.0/14.0
17.5
26.0/9.0
-1.5
0.0/-3.0
320.5
25.0/16.0
18.5
26.0/11.0
-3.0
0.0/-6.0
417.5
23.0/12.0
15.0
21.0/9.0
-5.5
-1.0/-10.0
517.5
23.0/12.0
12.0
20.0/4.0
-1.5
-1.0/-2.0
613.5
21.0/6.0
715.5
24.0/7.0
813.5
19.0/8.0
929.0
30.0/28.0
12.0
16.0/8.0
1022.0
31.0/13.0
16.0
20.0/12.0
1122.5
31.0/14.0
16.0
22.0/10.0
9.5
10.0/9.0
1223.5
31.0/16.0
17.0
25.0/9.0
5.5
11.0/0.0
1322.5
30.0/15.0
20.5
27.0/14.0
3.0
7.0/-1.0
1420.5
25.0/16.0
17.0
23.0/11.0
10.0
13.0/7.0
1518.0
23.0/13.0
10.0
14.0/6.0
1619.0
25.0/13.0
7.5
13.0/2.0
1725.5
27.0/24.0
7.0
13.0/1.0
6.0
8.0/4.0
1821.0
27.0/15.0
7.5
14.0/1.0
3.5
7.0/0.0
1919.0
24.0/14.0
10.0
13.0/7.0
2.5
5.0/0.0
2018.5
26.0/11.0
17.5
23.0/12.0
7.5
12.0/3.0
2121.0
26.0/16.0
19.0
25.0/13.0
6.0
11.0/1.0
2220.5
25.0/16.0
13.0
19.0/7.0
3.0
6.0/0.0
2312.5
20.0/5.0
4.0
8.0/0.0
2415.5
19.0/12.0
12.5
16.0/9.0
4.5
8.0/1.0
2518.5
25.0/12.0
13.0
18.0/8.0
1.5
3.0/0.0
2621.0
28.0/14.0
13.5
19.0/8.0
-1.0
1.0/-3.0
2720.5
28.0/13.0
10.0
12.0/8.0
2.0
5.0/-1.0
2819.5
27.0/12.0
11.5
18.0/5.0
0.5
3.0/-2.0
2919.0
27.0/11.0
12.0
16.0/8.0
-2.0
2.0/-6.0
3016.0
21.0/11.0
12.5
18.0/7.0
-1.5
1.0/-4.0
3113.5
18.0/9.0


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