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Your numbers do show up in a table further down, so we are both correct about what wikipedia says. I only bring this up, because I don't like the implication that I'm making a mistake. As previously stated, I'm more than ready to believe the numbers you've posted. But I correctly reported the data posted in the source I cited.
And again, I think the bigger story regarding Boston is deviation from the mean.
LOL. "Mean" doesn't mean the high temperature. "Mean" is average. So the AVERAGE daily temperature in July is 73.9. Not the average high. That's the average of the high (82), and the low (65). And in January, the mean temperature is 29. That's the average of the high (36), and the low (22). Nowhere does it say that 73.9 is the average high in July, or that 29.3 is the average low in January. Those are the averages of the high and low for those months.
Record High and Low is 106 and -11 or 117 degree difference
Am surprised Philly has a lower low than Boston (def not surprised on the average high); maybe proximity to the ocean - wonder if say like Marlborough would see a lower average low
Quote:
Originally Posted by HenryAlan
Boston:
Highest average high (July): 74
Lowest average low (January): 29
Variation: 45
But I'm not sure averages are the way to go for something like this. Some places have low standard deviations, while others have much higher standard deviations. The practical temperature swing in Boston is 100 degrees, which means that our temperatures are distributed pretty far from the mean.
Last edited by kidphilly; 05-31-2012 at 10:06 AM..
Am surprised Philly has a lower low than Boston (def not surprised on the average high); maybe proximity to the ocean - wonder if say like Marlborough would see a lower average low
It doesn't. I made a mistake in what the question asked, and the figures I provided were average temperatures for the warmest and coldest months, not average high against average low.
Location: Cleveland bound with MPLS in the rear-view
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Quote:
Originally Posted by grapico
many of these cities can be "average" 5 degrees off from year to year... so a cold winter could make the average high in one january 25, the next, 30.
Almost 100% positive the "average" is a 30 year average. The avg. July high in Minneapolis-St. Paul was 88 last year, but 84 (the 1980-2010 avg) was used in Ben Around's example.
Location: Cleveland bound with MPLS in the rear-view
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Quote:
Originally Posted by HenryAlan
It doesn't. I made a mistake in what the question asked, and the figures I provided were average temperatures for the warmest and coldest months, not average high against average low.
It should be:
-average 30 year monthly high temp (usually July), and
-average 30 year monthly low temp (usually January)
High: 89 F / 32 C (July and August tied)
Low: 26 F / -3 C (January)
Difference: 63 F / 35 C
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