these two photographs or four actually, lake,meed, looks like that and the other lake, powell. >> this is courtesy of doctor read mond, you should. he's doing wonderful work on the climate. what we have here is a temperature slide from the lower basin starting about 1890 to current and it looks much like the slide of worldwide temperature. the annual data is red and the blue is $1,130,569 running mean and this two degree fahrenheit increase. the upper basin numbers are comparatively about 1 point 5 degrees and in the little inset here you can see, what's happening nationally during that period. you know las vegas wins the record for many many things and they win nationally for the highest temperature increase during that same period of time. another slide from doctor redmond, he swapped the colors to red is the $1,130,569 year running mean. what you see is very little trend over this one hundred year period. it's interesting to look that low period numbers here at the end and the lots of variability you see here in recent years. in 2002, and 04 and 06, the basin lost enormous amounts o