Why's the first day of spring called an equinox?

Spring -- also known as the vernal equinox -- is here!

Spring officially arrived at 6:28 Monday morning. Of course, that's when the sun was directly over the equator and the vernal equinox arrived.

The National Oceanic and Atmospheric Administration says the word equinox is derived from two Latin words: aequus (equal) and nox (night).

It's one of two days out of the year when the Earth's axis is tilted neither toward nor away from the sun, resulting in a "nearly" equal amount of daylight and darkness almost everywhere on Earth.

The other is the autumnal equinox, Fall.

As I mentioned last week, the Climate Prediction Center's official forecast for April through June calls for warmer-than-average temperatures for us and most of the country.

So, break out the party hats and noise makers for the morning. I know I'm ready.

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