Erythemal Radiation is the irradiance in Watts per square meter measured over the 300 through 400 nanometer range and weighted with the Mc Kinlay and Diffey, (1987) action spectrum.

Graphs of the data are available for a time selection of two months or less. Also provided, is a feature to export the data to a file on your local computer in several different formats(excel, csv, xml). Keep in mind a year's worth of data is about 25 megabytes, and will take almost 2 minutes to generate.

Valid date range for location Alaska, Fairbanks, AK01 is from Sat Aug 26 00:00:00 GMT+00:00 2000 to Sun Mar 09 00:00:39 GMT+00:00 2014

Instrument Locations: Alaska,Fairbanks Arizona,Flagstaff California,Davis California,Holtville Colorado,Lamar Colorado,Nunn,Pawnee Colorado,Steamboat Springs Florida,Homestead Georgia,Griffin Hawaii,Waimea,Mauna Loa Illinois,Bondville Indiana,West Lafayette Louisiana,Baton Rouge Maine,Presque Isle Maryland,Beltsville Maryland,Queenstown Michigan,Pellston Minnesota,Grand Rapids Mississippi,Starkville Montana,Poplar Nebraska,Mead New Mexico,Las Cruces New York,Geneva New Zealand,Alexandra North Carolina,Raleigh North Dakota,Fargo Ohio,Oxford Oklahoma,Billings Ontario,Toronto Saskatchewan,Regina Texas,El Paso Texas,Houston Texas,Panther Junction Texas,Seguin Utah,Logan Vermont,Burlington Washington,Pullman Wisconsin,Dancy Hawaii,Waimea,Forrest Mims,HI21 Hawaii,Waimea,Forrest Mims,HI31 Hawaii,Waimea,Mauna Loa,HI11 Hawaii,Waimea,vis cal reference,HI41 Hawaii,Waimea,vis cal,HI51 Hawaii,Waimea,vis cal,HI61 Hawaii,Waimea,vis cal,HI71 Louisiana,Baton Rouge,SU-Ag Maryland,Greenbelt,NASA,MD21 Texas,Seguin,vis LED unit Colorado,Fort Collins,CO21 Colorado,Fort Collins,CO31 Colorado,Nunn,CO71 Colorado,Nunn,CO81 Maine,Howland,data by spcl request Mexico,Mexico City,UTTEC T1,MX01 Mississippi,Brooksville,vis-MFRSR only Mississippi,Newton,vis-MFRSR only Mississippi,Stoneville,vis-MFRSR only Texas,Houston,LaPorte Airport

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