A blanket of chill

fog_2jan2009.jpg

The fog was dense this morning, and is unlikely to break completely before sundown. Viewed from LF HQ, and looking out over our house below, one can just make out a little bit of our driveway and the grapefruit grove. Somewhere just to the right of the palm you can see the corralito. Oh, you can’t? Well, it helps when you know it’s there.

Down at corralito level, the fog is not quite as visible, but the deciduous fruit trees are being treated to a nice chill-containing blanket.

foggy_corralito.jpg

Thanks to the fog, the temperature stayed chilly. It did not even reach 45 till after 10:00 a.m., nor 50 till after noon. That meant many hours of chill accumulation, which should be great for the Shaa Kar Pareh apricot (foreground), and the cherries (back by the fence).

It has been a chilly winter so far, with more than 225 chilling hours accumulated at almost all levels of the finca, thanks in part to an unusually high number of days with lows in the 50s (and one that did not even get that high). And, while normally the chill is significantly less up the hill (due to cold air drainage down the steep slope) this year there is little difference, in part due to some near- or sub-freezing nights at the corralito. When the temperature is in the mid 30s and below, there’s little or no chill accumulation. (Prime temperatures for chill are about 38-45, and anything up to the mid 50s is still weakly positive.)

Late next week it may get rather warm. That will slow down the chill accumulation. But 225 hours is a good total as of the first of January, especially as some warm days at the start of December meant we did not really get started till well into the month. If we get another cold snap or two later in January or early February, 2009 might be another good year for the deciduous fruits.

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