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  2. Clouds gonna save many of us a freeze threat tonight before warmup.
  3. I absolutely love it. huge capacity so it drastically reduces the number of times I would have gone to the dump pile without it. days like today with lots of oak leaves are harder because you have to blow them into piles and suck them up with the big hose before you get started with the mower, if you don’t do that the mower deck will just push them around or leave trails behind you. 2 yards, 2people, 2 lawn tractors, 2 blowers, and 1 cyclone rake will take about 5 hours.
  4. Something is off there if you look at all the sites nearby at similar elevations
  5. I can’t figure out ORH this morning. That one took me by surprise. Not even close here at 34.2
  6. The Chester County COOP stations have had numerous moves and station changes over the years. Fortunately, the changes are easy to spot by comparing against other COOP stations. The 1970 West Chester move is a good example. The top plot shows the monthly temperature difference between West Chester and Coatesville. Before the move, West Chester was roughly 1.5F warmer than Coatesville. When the station re-opened in May 1970 after the move, West Chester was roughly the same temperature as Coatesville. The difference between West Chester and Phoenixville changed in exactly the same way as a result of the move (second plot). Before the move, West Chester and Phoenixville had similar temperatures. After the move West Chester was cooler than Phoenixville. The cooling nature of the move is easily spotted by inter-comparing the three stations. West Chester experienced a permanent change in temperature that wasn't weather related. The NOAA bias adjustment captures the West Chester move perfectly. Before 1970, the West Chester data is biased warm because the data was collected at a warmer site. This simple example shows how NOAA uses science to get the correct information from the raw data, what the raw data really saw about our climate. Bias adjustment is critical in Chester County because all the Chesco stations operating in 1945 experienced cooling moves between 1946 and 1970: Coatesville in 1946 and 1948, Phoenixville in 1949 and West Chester in 1970. You won't get the right answer in Chester County without bias adjustment.
  7. Another heavy frost this morning, glad I brought the house plants in last night turning off the outdoor spigots today
  8. I actually managed to stay above 32° this morning. 32.5° min.
  9. 33.8 for Muttontown & 35.1 for Syosset this morning.
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