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This article brought to you courtesy of Kay Newell of Sunlan Lighting, Inc., Portland Tribune Lighting Expert.

Kay Newell of Sunlan Lighting, Inc.

The end of daylight saving time means more sunshine in the morning hours. That sunshine does help us wake up, but the shorter days result in reduced total light. The winter sun is often hidden with a grey cloud blanket. Many of our plants are dormant and our animals are in slow mode, sleeping the days away. Many humans feel the same, we just want to hibernate. We call it S.A.D. Light bulbs can help, if you select the correct ones.

My last column addressed that issue. There are bulbs that create a better light that help you and plants and animals living with you. Read the bulb package to learn which light a bulb creates. Words like natural, daylight and sunshine are general descriptive terms, NOT a standard definition. To select the light you desire look for the word Kelvin. Kelvin colors can be found as a 2- or 4-digit number with either K or Kelvin following it. The lower the number the more yellow the light. 5000K is the whitest Kelvin color. The light becomes bluer as the Kelvin number increases.

In the past, 6500 Kelvin was called daylight, but the term daylight may be used for any color between 4000K to 6500K.

We add clouds to the sky; the colors seem to shift. All Kelvin light replicates natural daylight.Kelvin tells us the color of light for a given bulb but not the quality of that color {CRI}. We will explain the CRI in the next column.

SUNLAN LIGHTING, INC.

3901 N Mississippi Av.

Portland OR 97227

P: 503.281.0453

P: 503.281.3408

www.sunlanlighting.com

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