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 LITTLEROCK ARPT
ATLANTA
PHOENIX / SKY HARBOR
CHARLESTON
MONTGOMERY / DANNELLY
EL PASO
TALLAHASSEE
APALACHICOLA
S. ANTONIO
HONDO
LAKELAND
TAMPA
BROWNSVILLE
MIAMI