Its the Rain.

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Vincent J Brunasso
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Its the Rain.

Post by Vincent J Brunasso »

We always have known that rain is what makes the PMV grow or not grow, but no correlation has ever been done. To that end, here it is.

The rainfall data was taken from the Cauhilla ranger station and the Buttercup automated weather station (AWS) web pages. Each plot is the rainfall for the month as indicated added to the previous month - so it accumulates. The chart shows only rainfall from September through April as rains in other months probably don't do much good for the PMV and would clutter the graph. PMV numbers were taken from the BLM survey reports and are divided by 250,000 to keep the graph scale within reasonable limits.

The chart covers the following growing seasons:

2003 Survey for the 02-03 Growing Season: Not much rain so low PMV numbers
2004 Survey for the 03-04 Growing Season: What little rain there was came too late
2005 Survey for the 04-05 Growing Season: Rains started in August and were consistent through the season resulting in explosive germination and seed production. As perfect a rain curve as we're likely to see.
2006 Survey for the 05-06 Growing Season: A big storm in August, then little after that resulting in the worst year
2007 Survey for the 06-07 Growing Season: Fair amount of rain at beginning of season, not much after that - fewer numbers than if rain had continued.

Even though not scientific (but the data used is), the rain data we have is from only two stations, and rains can occur in one area and not another, it still paints a vivid picture - bottom line: the amount and timing of rain makes the plants grow (or not).

I hope you see fit to use this in your comments on the DRAMP.
PMVvsRainandTiming.JPG
Vincent J. Brunasso
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Rekd
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Re: Its the Rain.

Post by Rekd »

Did you make this with data from the sources you listed and do you mind if I use your name? :mrgreen:
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Vincent J Brunasso
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Re: Its the Rain.

Post by Vincent J Brunasso »

Rekd wrote:Did you make this with data from the sources you listed and do you mind if I use your name? :mrgreen:
I didn't make any data - I collected it from the reliable sources as quoted above and assembled it into a meaningful form.

Sure, you can tell anyone you wish what I did, and how I did it.
Vincent J. Brunasso
ASA Co-Founder and past president

“My reading of history convinces me that most bad government results from too much government.”
--Thomas Jefferson

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Re: Its the Rain.

Post by Rekd »

Vincent J Brunasso wrote:
Rekd wrote:Did you make this with data from the sources you listed and do you mind if I use your name? :mrgreen:
I didn't make any data - I collected it from the reliable sources as quoted above and assembled it into a meaningful form.

Sure, you can tell anyone you wish what I did, and how I did it.
Yes, that's what I meant. Thanks. :)
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Re: Its the Rain.

Post by Sloppyduner »

I'd like to see this on a poster board in the booth at the SSSS. Great work Vince =D> =D> =D>
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Vincent J Brunasso
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Re: Its the Rain.

Post by Vincent J Brunasso »

Sloppyduner wrote:I'd like to see this on a poster board in the booth at the SSSS. Great work Vince =D> =D> =D>
I'm thinking tee-shirts...
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Re: Its the Rain.

Post by LoBuck »

Things that should make people go hmmm.

That is one of those things. Good job Vince. =D>

Oh, and it shouldn't be so surprising to those in the know.
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