Table 1.

Comparative climate matrix for five test climates.

	LATITUDE	ALTITUDE	NEED FOR WINTER SPACE HEATING	NEED FOR SUMMER SPACE COOUNG	AVAILABLE ANNUAL RADIATION
TRUCKEE	39°20′	5.820′	NEED FOR WINTER SPACE HEATING	NEED FOR SUMMER SPACE COOUNG	AVAILABLE ANNUAL RADIATION	HIGH	NONE	MODERATE
EUREKA	40°48′	43′	MODERATELY HIGH	NONE	MODERATELY LOW
SACRAMENTO	38°35′	25′	MODERATE	MODERATE	MODERATE
SANTA BARBARA	34°26′	33′	LOW	VERY LOW	MODERATE
PALM SPRINGS	33°51′	475′	VERY LOW	VERY HIGH	VERY HIGH