On Jul 16, 2011, at 6:56 PM, John Sessoms wrote: > From: Godfrey DiGiorgi >> Just filled the tank the other day. Price seemed lower. >> This thread made me curious, so I pulled the price per gallon out of >> my Prius tracking database and plotted it from August 2006 to the >> present: >> >> http://homepage.mac.com/godders/gasoline-price-monthly-2006-2011.jpg >> >> That shows the average monthly pump price I've paid per month since I >> bought the Prius. The trend line definitely shows that it's rising, >> but it swings up and down much more wildly than the trend line's >> steady increase might suggest. > > I don't think I'm seeing swings quite that wild, although I don't really have > the time to graph it right now, so I can't really say for sure. I've got a > fairly good logs of my gasoline purchases since 1981. I started keeping them > in a spread-sheet in 2005. > > Someone else posted that the Federal Government released oil from the > Strategic Oil Reserve, and I think that might be what caused the dip I > noticed. A little Google produces the following correlations: > > 1. They released 30 million barrels of oil. > 2. The US uses about 2 million barrels per day. > 3. The slight price decline lasted for around 15 days. > >
At our nearest station, Wednesday it was $3.75. Friday (yesterday) it was $3.85. Today it was $3.64. Don't try to impute rationality/linearity to a chaotic system. stan -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
