Solar Energy Applications and Issues
Spring 2010
Alan Czarnetzki,
Professor of Meteorology
Department of Earth
Science,
Email: Alan.Czarnetzki@uni.edu
Time of Sunrise and Sunset Solar Position Calculator Surface Radiation Data from NOAA
To calculate relative air mass and earth-sun distance
Current Weather Conditions at UNI – includes Solar Radiation
Historic Weather Conditions at UNI – Solar Radiation data available since June 5, 2009
Column labeled ‘Solar Rad.’ is the solar radiation intensity, in W/m2, at the time of observation
Column
labeled ‘Solar Energy’ is the amount of accumulated solar radiation
energy, in
Multiply value in Langleys by 0.011622 to convert to kWh/m2
Historic Solar Radiation Data for Iowa – set ‘Plot Variable’ to ‘Solar Radiation’, select your date, and then ‘Make Plot’
Multiply
value in
Solar Energy – Iowa Energy Center
Cedar Falls Utilities – Residential Electric Rates
Sky Cover Forecasts from the National Weather Service
Select location on map, then scroll down and select ‘Hourly Weather Graph’ under the ‘Additional Forecasts and Information’ header
Scroll down to ‘Regional model, satellite simulation, Eastern United-States window’, then select ‘Animation’
Historic Webcam Images – select desired webcam using the ‘Product’ menu