Interesting stats Marver, good stuff thanks.
depotvendor wrote:Has anybody figured out why Petco is death for hitters? The one thing that I didnt like the Pads doing last year was trading Germano for Randa. Big time drop in talent there.
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It's not so much a reputation but how many runs, hr and how high a average hitters have hit relative to other parks. Here
is a more detailed explanation.
Great American has a park score of 337, 4th best for hitters. Petco has a score of 234, worst in the majors.
As far as the weather goes, I believe Pecto is located in an area which frequently has high pressure so, air is essential funneling downward, exerting more pressure on the ball more often than in Cincy.
Another factor could be lesser air pressure regardless of weather conditions. Cincy is at 540 feet, Pecto at sea level. That’s about a difference of 16 units on your Barometer, all other things being equal. Still, the altitude difference only has about a 2%
effect on air density.
The argument has been made claiming a baseball travels farther in humid versus dry air, due to the molar weight difference of humidified air. Here
is some solid info on this topic. San Diego has an average humidity of about 67% in baseball months, Cincinnati's average baseball months humidity is about 82%.
Also,temperature effects viscosity
. 78.2 is the average high during baseball season in Cincinnati, which is weighted down by a cold April (64) and is more variable than San Deigo. Cincy has significantly higher average high temps in the later months. An average temp at Pecto would likely be close to San Diego Int'l Airport's Lindbergh Field, the average high temp in baseball months is 73.5 at Lindbergh Field.
So there you have four possible factors:
1. Air pressure based on typical weather patterns
2. Air pressure based on elevation
3. Air density based on average humidity
4. Air viscosity relative to higher summer temperature in Cincinnati