Daily Degree Days (18°C Base)

Report for Year 2026

Note: Data is updated after midnight each day.

Other Years:

Day	Heating Degree Days												Cooling Degree Days
Day	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1	---	---	---	6.8	6.8	6.8	6.8	6.8	2.2	---	---	---	---	---	---	0.0	0.0	0.0	0.0	0.0	0.2	---	---	---
2	---	---	---	5.5	5.5	5.5	5.5	5.5	1.6	---	---	---	---	---	---	0.0	0.0	0.0	0.0	0.0	0.8	---	---	---
3	---	---	---	4.5	4.5	4.5	4.5	4.5	1.1	---	---	---	---	---	---	0.0	0.0	0.0	0.0	0.0	0.8	---	---	---
4	---	---	---	2.6	2.6	2.6	2.6	2.6	0.9	---	---	---	---	---	---	0.6	0.6	0.6	0.6	0.6	0.6	---	---	---
5	---	---	---	1.8	1.8	1.8	1.8	1.8	1.0	---	---	---	---	---	---	0.8	0.8	0.8	0.8	0.8	0.2	---	---	---
6	---	---	---	2.7	2.7	2.7	2.7	2.7	0.5	---	---	---	---	---	---	0.0	0.0	0.0	0.0	0.0	1.1	---	---	---
7	---	---	---	2.8	2.8	2.8	2.8	2.8	0.5	---	---	---	---	---	---	0.0	0.0	0.0	0.0	0.0	2.8	---	---	---
8	---	---	---	2.5	2.5	2.5	2.5	2.5	---	---	---	---	---	---	---	0.1	0.1	0.1	0.1	0.1	---	---	---	---
9	---	---	---	2.4	2.4	2.4	2.4	2.4	---	---	---	---	---	---	---	0.0	0.0	0.0	0.0	0.0	---	---	---	---
10	---	---	---	1.9	1.9	1.9	1.9	1.9	---	---	---	---	---	---	---	0.0	0.0	0.0	0.0	0.0	---	---	---	---
11	---	---	---	1.5	1.5	1.5	1.5	1.5	---	---	---	---	---	---	---	0.7	0.7	0.7	0.7	0.7	---	---	---	---
12	---	---	---	1.1	1.1	1.1	1.1	1.1	---	---	---	---	---	---	---	2.2	2.2	2.2	2.2	2.2	---	---	---	---
13	---	---	---	0.3	0.3	0.3	0.3	0.3	---	---	---	---	---	---	---	1.1	1.1	1.1	1.1	1.1	---	---	---	---
14	---	---	---	0.9	0.9	0.9	0.9	0.9	---	---	---	---	---	---	---	0.4	0.4	0.4	0.4	0.4	---	---	---	---
15	---	---	---	0.5	0.5	0.5	0.5	0.5	---	---	---	---	---	---	---	1.7	1.7	1.7	1.7	1.7	---	---	---	---
16	---	---	---	0.2	0.2	0.2	0.2	0.2	---	---	---	---	---	---	---	1.7	1.7	1.7	1.7	1.7	---	---	---	---
17	---	---	---	0.2	0.2	0.2	0.2	0.2	---	---	---	---	---	---	---	3.2	3.2	3.2	3.2	3.2	---	---	---	---
18	---	---	---	0.0	0.0	0.0	0.0	0.0	---	---	---	---	---	---	---	3.3	3.3	3.3	3.3	3.3	---	---	---	---
19	---	---	---	0.4	0.4	0.4	0.4	0.4	---	---	---	---	---	---	---	0.6	0.6	0.6	0.6	0.6	---	---	---	---
20	---	---	---	1.0	1.0	1.0	1.0	1.0	---	---	---	---	---	---	---	0.3	0.3	0.3	0.3	0.3	---	---	---	---
21	---	---	---	0.8	0.8	0.8	0.8	0.8	---	---	---	---	---	---	---	0.6	0.6	0.6	0.6	0.6	---	---	---	---
22	---	---	---	1.4	1.4	1.4	1.4	1.4	---	---	---	---	---	---	---	0.4	0.4	0.4	0.4	0.4	---	---	---	---
23	---	---	---	2.4	2.4	2.4	2.4	2.4	---	---	---	---	---	---	---	0.2	0.2	0.2	0.2	0.2	---	---	---	---
24	---	---	---	1.8	1.8	1.8	1.8	1.8	---	---	---	---	---	---	---	0.8	0.8	0.8	0.8	0.8	---	---	---	---
25	---	---	---	1.3	1.3	1.3	1.3	1.3	---	---	---	---	---	---	---	0.2	0.2	0.2	0.2	0.2	---	---	---	---
26	---	---	---	1.0	1.0	1.0	1.0	1.0	---	---	---	---	---	---	---	0.5	0.5	0.5	0.5	0.5	---	---	---	---
27	---	---	---	0.9	0.9	0.9	0.9	0.9	---	---	---	---	---	---	---	0.6	0.6	0.6	0.6	0.6	---	---	---	---
28	---	---	---	0.8	0.8	0.8	0.8	0.8	---	---	---	---	---	---	---	0.9	0.9	0.9	0.9	0.9	---	---	---	---
29	---		---	0.6	0.6	0.6	0.6	0.6	---	---	---	---	---		---	2.2	2.2	2.2	2.2	2.2	---	---	---	---
30	---		---	0.7	0.7	0.7	0.7	0.7	---	---	---	---	---		---	0.9	0.9	0.9	0.9	0.9	---	---	---	---
31	---		---		---		---	---		---		---	---		---		---		---	---		---		---

	Heating Degree Days												Cooling Degree Days
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
High	---	---	---	6.8	6.8	6.8	6.8	6.8	2.2	---	---	---	---	---	---	3.3	3.3	3.3	3.3	3.3	2.8	---	---	---
Avg	---	---	---	1.7	1.7	1.7	1.7	1.7	1.1	---	---	---	---	---	---	0.8	0.8	0.8	0.8	0.8	0.9	---	---	---
Low	---	---	---	0.0	0.0	0.0	0.0	0.0	0.5	---	---	---	---	---	---	0.0	0.0	0.0	0.0	0.0	0.2	---	---	---


Color Key
< 5.0	5.0 - 10.0	10.0 - 15.0	15.0 - 20.0	20.0 - 25.0	25.0 - 30.0	30.0 - 35.0	35.0 - 40.0	40.0 - 45.0	45.0 - 50.0	50.0 - 55.0	55.0 - 60.0	60.0>

A Degree Day is a unit of measurement equal to a difference of one degree between the mean outdoor temperature and a reference temperature (18°C). Degree Days are used in estimating the energy needs for heating or cooling a building.