High and Low variances
 

While I was examining another question, I happened to notice a
large difference between the variances of the daily high and
daily low series. The day to day variance of the daily high
series is much greater than the day to day variance of the
daily low series.

Why are daily lows steadier that daily highs? I am sure
someone has seen this before, it is way too obvious to overlook.
Does anyone have any references?


--

"One who joyfully guards his mind
And fears his own confusion
Can not fall.
He has found his way to peace."

-- Buddha, in the "Pali Dhammapada,"
~5th century BCE


-.-. --.- Roger Coppock )


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High and Low variances
 

Roger Coppock wrote:
While I was examining another question, I happened to notice a
large difference between the variances of the daily high and
daily low series. The day to day variance of the daily high
series is much greater than the day to day variance of the
daily low series.

Why are daily lows steadier that daily highs? I am sure
someone has seen this before, it is way too obvious to overlook.
Does anyone have any references?



1. In cloudy conditions, the temperature does not change much anyway.
2. In clear conditions, the overnight low temperature is governed (to
some extent) by the moisture in the air, and the moisture is also slow
to change. Overnight lows in clear conditions tend to fall to somewhere
near the dewpoint.

--
God grant me the serenity to accept the things I cannot change, the
courage to change the things I can, and the wisdom to know the difference.
--- Serenity Prayer

High and Low variances
 

Icebound wrote:

Roger Coppock wrote:
While I was examining another question, I happened to notice a
large difference between the variances of the daily high and
daily low series. The day to day variance of the daily high
series is much greater than the day to day variance of the
daily low series.

Why are daily lows steadier that daily highs? I am sure
someone has seen this before, it is way too obvious to overlook.
Does anyone have any references?



1. In cloudy conditions, the temperature does not change much anyway.
2. In clear conditions, the overnight low temperature is governed (to
some extent) by the moisture in the air, and the moisture is also slow
to change. Overnight lows in clear conditions tend to fall to somewhere
near the dewpoint.

Thanks, Icebound!


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High and Low variances
 

"Roger Coppock" wrote in message
...
While I was examining another question, I happened to notice a
large difference between the variances of the daily high and
daily low series. The day to day variance of the daily high
series is much greater than the day to day variance of the
daily low series.

Why are daily lows steadier that daily highs? I am sure
someone has seen this before, it is way too obvious to overlook.
Does anyone have any references?




Well, man, the Quaaludes are way outaline with the like manufacturing, ya no
?
And weed just keeps gettin better, eh ?

--
Minutus cantorum, minutus balorum,
minutus carborata descendum pantorum.
?