Climatography of the United States, no. 81-1-45. Decennial census of United States Climate - monthly normals of temperature, precipitation, and heating degree days.

Mode of access: Internet.

Climatography of the United States no. 84. Decennial census of United States climate; daily normals of temperature and heating degree days.

Mode of access: Internet.

Handbook of degree-day data for the United States.

v. 1. Statistical summaries.--v. 2. Basic degree-day data.

The appropriate use of climatic information in Illinois natural-gas utility weather-normalization techniques /

"ISWS/RI-112/90"--Cover.