The new year is off to a clear and dry beginning, starting off much like most of 2009. The photo above is from September 6, 2009 - a day on which 0.10" of rain fell here at house from the dissipating Cb.
Brief overview of 2009 observations from our backyard:
*December precipitation - 0.61"
*Annual precipitation for 2009 - 7.95" which was quite dry but considerably better than the airport (TUS) did (only 5.67" making 2009 the fourth driest year ever at that location).
Two months I measured over an inch of rain - July 2.63" and August 1.06" Note that 8 days during July 2009 had storms and rain that produced 33% of the year's total precipitation.
*Three months had a tenth of an inch or less - June, October, and November
*Here at the house the low temperature was in the 20's on 36 days - with December 26 and 27 being the coldest days at 20F. The location here, very near the Rillito Wash, is very cold relative to the airport - for example, the low here this morning was 24F while the airport's low was a balmy 42F (calm here and breezy at the airport).
*For the first time since I started my weather log at this location there was not a single severe thunderstorm during the year, and there was no day with a rain amount of an inch or more ( heaviest 24-hour rainfall 0.77" on July 3/4).
*So a very benign and dry year here - here's hoping for a better weather year in 2010!
Happy New Year to all - Bob
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