Glossary H
Glossary H
Heating Degree-Day (HDD) is a measure of the need for heating based upon outdoor temperatures. Heating degree-days are calculated as follows:
Daily mean temperature minus 18.3 °C (65 °F)
Hechuan is a major city in China (261).
This city is on position 2031 (1845, 1769) in our monthly survey.
Hefei is a major city in China (216).
This city is on position 2028 (1842, 1537) in our monthly survey.
Hegang is a major city in China (734).
This city is on position 2114 (2114, 1611) in our monthly survey.
Hejian is a major city in China (663).
This city is on position 2050 (2025, 1595) in our monthly survey.
Helena, MT is a major city in USA.
This city is on position 1352 (1095, 1104) in our monthly survey.
Helena, MT-Airport is an airport in Helena, MT/USA with the Airport Code HLN
This airport is on position 941 (1533, 1806) in our monthly Top100 of World Airports