0% 10% 20% 30% 40% 50% 60% 70% 80% Pacific Ocean Oregon Nevada Utah Arizona New Mexico Texas Eugene Cascades Crater Lake Chemult Great Basin Elko Ely Four Corners Odessa Monument Valley Albuquerque Roswell Wasach Range Richfield Llano Colorado Plateau Estacado San Antonio Corpus Christi Gulf of Mexico CLOUD COVER AT A GLANCE This graph shows central-line cloudiness extracted from the Terra dataset used in the cloud map below. Victoria Havre Seattle Spokane Bismarck Helena Fargo Portland Baker Pierre Eugene Klamath Falls Cheyenne Omaha Lincoln Salt Lake City Reno Richfield Grand Junction Wichita San Francisco Fresno Las Vegas Flagstaff Los Angeles Phoenix PICK YOUR SPOT This map depicts the average October morning cloud fraction as measured by the Terra satellite between 2000 and 2019. Median Cloud Fraction 0% 20% 40% 60% 80% 100% El Centro San Diego Carlsbad El Paso Fort Worth Dallas Santa Fe Albuquerque Amarillo Oklahoma City Tulsa Denver Boise Sioux Falls Idaho Falls Casper Austin Houston San Antonio sk yand tele scope .o r g * OCTOBER 2023 39 JAY ANDERSON / DATA SOURCE: NASA (2) Cloud Fractionhttps://skyandtelescope.org/