Today in Florida it is 82 degrees and cloudy.
Outside: 105 uW/cm2
My screen porch: 10 uW/cm2
Sulcata's Powersun 100W Mercury Vapor @ 14": 25 uW/cm2
Bearded Dragon's Arcadia D3+T-5+12% with reflector @ 20": 83 uW/cm2
Even on a cloudy day, outside is always best for UVB
Outside: 105 uW/cm2
My screen porch: 10 uW/cm2
Sulcata's Powersun 100W Mercury Vapor @ 14": 25 uW/cm2
Bearded Dragon's Arcadia D3+T-5+12% with reflector @ 20": 83 uW/cm2
Even on a cloudy day, outside is always best for UVB