Sunny and warm pattern to start Fall, more like Summer by mid-week
Today was sunny and dry with a few high clouds drifting overhead. Highs topped out at 81 in Bend and 82 in Redmond, about 8 -10 degrees above our normal high temperatures for September 22nd.
The first day of Fall 2024 began today at 5:44 am the direct rays of the Sun will be over the equator, the Autumnal Equinox. There will be equal parts daylight and darkness on that day and we begin our journey toward winter as the days will be shorter than the nights until next Spring.
It is a little misleading when you look at the sunrise and sunset times for Sunday… 6:53 am – 7:01 pm. Not exactly equal parts daylight and darkness. But the sunrise and sunset times are based on the crown of the sun breaching the horizon for sunrise, and the crown of the sun dropping below the horizon for sunset. The equinox is calculated by the center of the sun breaching the horizon for sunrise (approximately 6:57 am), and the center of the sun crossing the horizon at sunset (approximately 6:57 pm).
There is also a theory about of the light bending and timing being off in that manner, another about the elliptical orbit, one more considering the non-spherical earth, and a few others. I like the center of the sun crossing the horizon, it makes sense and the math works out each equinox, Autumnal and Vernal.
Moving into the first week of Fall we should be warmer than normal. Highs will be more reminiscent of early July than late September as we hit the 80s again on Monday. Tuesday will be very warm and possibly hot as some models are expecting near 90° heat.
Cooler weather is likely on Wednesday as some clouds move in and there is a slight chance for some rain.
Stay Safe
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