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Leland
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  Quote Leland Replybullet Topic: Historical Snowpack Data?
    Posted: 20 Mar 2008 at 12:48pm
Just wondering if anybody knows a good link for historical snowpack data?

I know this year the snowpack is huge, but I'd like to compare it to other years that I've been to Washington.

For example, what kind of snow year was last year?

Thanks!

Leland
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  Quote Leland Replybullet Posted: 20 Mar 2008 at 12:51pm
Oh yeah, and what other years compared to this one (160-170% snowpack)?

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  Quote Leland Replybullet Posted: 20 Mar 2008 at 1:29pm
Come on guys, what's the most epic water summer you can remember??

What was your highest water year?

Any info helps.

Thanks!

Leland
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PowWrangler
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  Quote PowWrangler Replybullet Posted: 20 Mar 2008 at 1:34pm
I've only been here for going on two years so can't really comment, but it's not anywhere near the highest.  Most of the snow was in December/January.   February was one of the driest on records and March is shaping up to be definitely drier than normal. 
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Leland
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  Quote Leland Replybullet Posted: 20 Mar 2008 at 1:57pm
Originally posted by PowWrangler

I've only been here for going on two years so can't really comment, but it's not anywhere near the highest.  Most of the snow was in December/January.   February was one of the driest on records and March is shaping up to be definitely drier than normal. 


That's weird. According to the link below, the Lewis and Cowlitz drainages are at 162%, and the Skykomish/Snoqualmie is at 173%.

ftp://ftp.wcc.nrcs.usda.gov/data/snow/update/wa.txt

Is this not as good as it looks? I called the ranger station on the Sky yesterday and they said there is 2 feet in the yard still, and they didn't sound like that was normal.

Maybe it goes over 200% a lot, I don't know. Does it?

Hey it barely even snows at all in the mountains where I live....what do I know?

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  Quote PowWrangler Replybullet Posted: 20 Mar 2008 at 2:15pm
I might be reading that wrong, but it looked like Steven's Pass was about 100% of normal on measureable snow and moisture content.
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  Quote James Replybullet Posted: 20 Mar 2008 at 2:17pm
I don't think that the total snowpack is all that relevant at this point.

Overall this year was huge up until mid Jan. Then it just came to a halt. Considering last year's pineapple express and other warm events I would say that were probably somewhere around a tad more than last year but it could end up producing more water due to the duration of the total melt cycle.

By this time last year we had already been through a few events that ate substantial snow pack, although the season was a gradual melt a few of the early season kickers ate enough away that this year is looking much better than the last.

There is still plenty of time for a few nasty tropical storms though so cross your fingers and hope that the snow sticks around for a few more months before making the full and hopefully instant transition down to the sea!

Of course last year there were alot of comments about how nice the gradual melt was. You had a nice prep season in the early spring and then a great extended season for the melt. I mean cmon guys how can we complain about those August runs on Tumwater and Sept runs on Thunder!

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Leland
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  Quote Leland Replybullet Posted: 20 Mar 2008 at 2:47pm
Originally posted by PowWrangler

I might be reading that wrong, but it looked like Steven's Pass was about 100% of normal on measureable snow and moisture content.


Yeah, so the Tye and Sky might run like normal, but look at Mt. Gardner for example. Half of that mountain drains into the South Fork Snoqualmie (I guess right *below* FITW, unfortunately), and it's at about 250% of normal snow water equivalent.

I don't know where Skookum Creek is, but 280% snowpack sounds epic for that drainage!

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  Quote cronar Replybullet Posted: 20 Mar 2008 at 2:51pm
Agreed, pretty much an average year for water content in the snow pack.  We've been colder than normal all winter.  With regards to Wenatchee drainage, it's actually looking a little lower than normal.  Most of the water comes from the northern drainages of Little Wenatchee etc.  Although Nason will be a going this year, and probably Icicle since it is the backside of Stevens.  As for big snow packs, look for the 98-99 snow year.  Notes show doing the Wenatchee in August of 99 and some of the runs like Upper Upper Cispus didn't get really runnable until almost October.

I'm holding out for a nice gradually orderly melt rather than the flash flush that could happen.  It'd be tough to have to run the Cooper in August, but I'd take it.
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Leland
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  Quote Leland Replybullet Posted: 20 Mar 2008 at 3:20pm
Originally posted by cronar

It'd be tough to have to run the Cooper in August, but I'd take it.-N


Cooper in August?? Seems like that would be really low, although '99 it certainly went that way.

Cooper is on the hit list, I'd like a level like my run on 7/12/07 which was about 880 on the inflow to Cle Elum lake.

Do you think it'll be higher or lower this year than last? A little higher or a lot?

Basically I'm wanting to do a medium to low flows trip - Cooper, Ohanny, FITW, and similar. I'm having trouble figuring out when to go since the only full summer I've spent out there is last summer, and I don't think that cold wet weather trickle was typical.

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  Quote cronar Replybullet Posted: 20 Mar 2008 at 4:01pm
Not sure on getting FITW with the others as a med low flows trip.  It's a tiny a drainage and just has a different flow time than the others.  A bigger issue for the run will be access.  I'm pretty sure it'll be running but getting in will involve post holing, although I've already checked and my snow shoes fit in the creek boat.  Then it's getting out.  The snow piled up on the bank is deep, so just stepping out of boat and walking out isn't going to happen. 

As for what will happen this summer.  Don't know if it will be high or low or when or for how long, but we should have water.   Provided it isn't like last summer it might even be warm as well.

Mid July is probably a reasonable time frame to target Cooper and the Ohanny for the flows you're looking for.  Not sure what your time frame of when you need to have your plans firmed up are. 
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  Quote H2Ohta Replybullet Posted: 20 Mar 2008 at 6:52pm
http://www.nwac.us/products/CLISNO
This list the current snowpack on the major mtn passes in Washington. This site also has the % of average, snowpack for 1 year ago, and the max and min record snowpacks. In 2005, Steven's Pass had 18 inches of snow on March 15. If you remember 2005, you know how stoked we are to have any snow pack at all. That year, Fuqua, Michelle, Fred, and I did laps on the Wall and Chaos at below 300 cfs.
Chris Ohta

Edited by H2Ohta - 20 Mar 2008 at 7:13pm
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  Quote tradguy2 Replybullet Posted: 21 Mar 2008 at 9:46am
For those of you who have not lived here long it might seem hard to belive that this is basically average year but it is true.  There is however more snow at lower elevations than usual.  This is not reflected in the data above because those stations are relatively high.   
... preparing for a river beating!     
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