This year, the Harvest Moon heralds the arrival of fall



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I must admit that I am really stunned by the weather for the next few days, which coincides with the start of fall and the Harvest Moon.

The Harvest Moon is the full moon closest to the fall equinox and is aptly named for the extra light given to farmers who are harvesting their summer crops. The arrival of Harvest Moon can vary by about two weeks, but this year it is happening very close to the actual start of fall.

This year the weather will be particularly clear as the harvest moon clears the horizon at 7:07 am Monday evening – resulting in some fantastic photos. The moon is officially full at 7:54 p.m. Monday night, but when it rises Tuesday night, it is still 99.8% full and 98.3% full when it rises the following night. This gives the appearance of three or even four nights of a full moon, all rising at almost the same time each night.

The percentage of cloud cover is expected to be near zero by twilight on Monday.
The percentage of cloud cover is expected to be near zero by twilight on Monday.WeatherBELL

Typically, the moonrise moves about 50 minutes later each day. However, in the fall there is only a difference of about 20 to 25 minutes between successive moon rise times. Each subsequent climb is also further north. Tonight, the moon will clear the horizon to the south of full east, it will be almost perfectly east on Tuesday and north of full east on Wednesday.

Moonrise over Lookout Farm on September 19, 2021.
Moonrise over Lookout Farm on September 19, 2021.Dave epstein

Of course, while the moon circles the earth at 2,288 miles per hour, the Earth circles the sun at 67,000 miles per hour, and in doing so, we spend almost 15 hours of daylight at the end of June until the end. until about 9 at the winter solstice. With the fall equinox on September 22, the angle of the sun at noon today is March 21. Of course, the big difference between the sun in March and the sun today is that every day in the spring it gets a little stronger, and every day at this time of the year it gets a little weaker. .

Plants and animals are all responding to the loss of light and the noticeable splash of color will continue to spread throughout the area over the next few weeks. This is also the time of year when you should treat any houseplants you place outdoors for insects before putting them back.

There are seven days left when the amount of daylight will exceed the night. From Monday September 27, with a little less than 12 hours between sunrise and sunset, the nights will overtake the days and this will of course last another 6 months.

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