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RE: rain -- again? what's going on?

To: "'Autocross'" <ba-autox@autox.team.net>
Subject: RE: rain -- again? what's going on?
From: Mark Smith <msmith@tilia.com>
Date: Fri, 5 Apr 2002 13:11:30 -0800
Maybe you could ask the guys who drive in F-Stock.... maybe it could be the
same laws of physics that allows them to get big heavy cars around corners
so fast.

Mark.
Goofy Scientific-Newbie

-----Original Message-----
From: Michael R. Clements [mailto:mrclem@telocity.com]
Sent: Friday, April 05, 2002 12:42 PM
To: 'Kelly, Katie'; 'Autocross'
Subject: RE: rain -- again? what's going on?


If the clouds are that heavy, how did they get up there in the first
place?

> -----Original Message-----
> From: owner-ba-autox@autox.team.net 
> [mailto:owner-ba-autox@autox.team.net] On Behalf Of Kelly, Katie
> Sent: Friday, April 05, 2002 12:01
> To: Autocross
> Subject: RE: rain -- again? what's going on?
> 
> 
> It is raining, because there are clouds in the sky, and they 
> are holding gallons and gallons of water, and they are very 
> heavy, and they have to fall somewhere.
> 
> Katie
> 
> -----Original Message-----
> From: Michael R. Clements [mailto:mrclem@telocity.com]
> Sent: Friday, April 05, 2002 11:58 AM
> To: Kelly, Katie; 'Autocross'
> Subject: RE: rain -- again? what's going on?
> 
> 
> I know. I was there. That's why I counted only 3 of the 4 events.
> 
> > -----Original Message-----
> > From: Kelly, Katie [mailto:kkelly@spss.com]
> > Sent: Friday, April 05, 2002 11:58
> > To: Michael R. Clements; Autocross
> > Subject: RE: rain -- again? what's going on?
> > 
> > 
> > It didn't rain at the Boondoggle.
> > 
> > Katie
> > 
> > -----Original Message-----
> > From: Michael R. Clements [mailto:mrclem@telocity.com]
> > Sent: Friday, April 05, 2002 11:54 AM
> > To: Autocross
> > Subject: rain -- again? what's going on?
> > 
> > 
> > In S.F., the average inches of rainfall for Jan, Feb, Mar are
> > 4.4, 3.2 & 3.1. Assuming one day of rain is about 0.4 inches 
> > on average, that is 11 days, 8 days and 7.75 days of rain in 
> > these months, historical average. Total average days of rain 
> > for Jan-Mar is 26.75. Total days is 90.25 (counting Feb as 
> > 28.25 for leap years). Thus, a rough average probability for 
> > any given day from Jan to March to have rain in S.F. is about 
> > 30%. It's a bit lower for Oakland & GGF.
> > 
> > We have had 4 autocrosses so far, in 3 of which it rained.
> > The probability to get rain on all three of these days is 0.3 
> > * 0.3 * 0.3 = 0.027. Thus getting rain on all three of these 
> > days is only 2.7% likely. And that's if they are all in SF. 
> > Some were in GGF and Oakland, which get slightly less rain, 
> > so the probability is actually a bit lower.
> > 
> > Furthermore, now it looks like rain tomorrow morning on the
> > school. This further reduces the probability to a number so 
> > small that it stretches the limits of credulity to imagine 
> > that it has occurred naturally.
> > 
> > Can anybody explain what is happening? Is there some
> > phenomena going on causing it to rain on every event this year?
> > 
> > Michael R. Clements

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