remember these facts---the sun might be clearer and stronger with more growing spectral light on a colder day naturally. ---the sun might be clearer and stronger with more growing spectral light on a hot day naturally. ---your plants need that blinding spectrum of sunlight on a windy day. ---your plants need that blinding spectrum of sunlight on a calm,windless day. ---your plants need a blinding spectrum of sunlight even on the occasional rainy day. ---your plants need that blinding spectrum of light off and on even on cloudy days. ---your plants need some days of less blinding sunlight just like a cloudy , hazy almost rainy day when the sun doesn't quite come out fully all day. Natural facts about how good your plants will turn out. ---so if u can give your plants all the kinds of days there really are to be given , in time they'l be the best possible and u'l be growing like a pro.