Yosemite falls

We know that the NPS keeps lots of charts of data (i.e. a record of the opening dates for Tioga road,etc). Just as a matter of curiosity, does anyone know if there is a record of the dates when Yosemite falls stops flowing? As of today 7/25/12, it's down to a trickle and without another summer storm, will be dry by end of the month.

I have never seen that data but I am sure that there is some somewhere. I did read somewhere this spring that the falls have been running continously since Sept 2010 because of the huge storms during the winter of 2010 and 2011. We were there this weekend and at times only could see water coming over at the top of the falls because it was blending in with the rocks as it went down.

I was hiking along the Yosemite Creek Trail yesterday, and it was nowhere near dried up. I suppose that the modest flow could be invisible from the valley, though....

It looks the same on the webcam as we saw it from the valley. You can see the water right at the top but then it spreads out from there and blends in with the rocks.