Sunshine duration. Monthly sums and means.
USA (Region WMO IV: North America)
FAIRBANKS SPOKANE GREAT FALLS SEATTLE BISMARCK SAULT S. MARIE BURLINGTON RAPID CITY PORTLAND BOISE MADISON LANDER / HUNT BLUE HILL OBS. CLEVELAND OMAHA SALT LAKE CITY NEW YORK PITTSBURGH INDIANAPOLIS / WEIR COOK RENO ELY / YELLAND GRAND JUNCTION / WALKER FIELD COLUMBIA DODGE CITY FRESNO NASHVILLE / METROPOLITAN LAS VEGAS / MCCARRAN GREENSBORO RALEIGH OKLAHOMA CITY HATTERAS C. ALBUQUERQUE NORTH LITTLE ROCK ARPT ATLANTA PHOENIX / SKY HARBOR CHARLESTON MONTGOMERY / DANNELLY EL PASO TALLAHASSEE APALACHICOLA S. ANTONIO HONDO LAKELAND TAMPA BROWNSVILLE MIAMI