eug is right. There are actually 3 wax temps but the two eug mentioned are quite sufficient.
Waxing every two or three days is important. I'd say every two days.
Wax belongs IN the base, not on top of it. Wax creates the proper amount of friction in order to melt the snow into water as it passes under your foot. Wrong temp wax and you get too much melt (now water skiing and plowing through too much water), or too little melt, causing too much friction and not enough water and ripping up your bases.
One of these situations causes suction, usually when the snow has a heavy water content. EUG- refresh my memory here.
Anyway, I start with warm temp wax and get it ironed into the bases well. Then I follow this with an all temp wax since I don't know what the temperature is going to be on Mt. Hood. You can check the weather forcast and hope the weather guy threw his dart right.
You can also melt them on at the same time if you wish. make many passes on the skis, wait 30 minutes until they are cold, Scotch brite them, brush with long strokes, Scotch brite again and polish with a soft cloth.
For details go to www.lacyslatherworks.com
and hit Bob's ski page. I've had great raves from customers who love the way their skis slide doing it this way.
It's not how much wax you use but how often you wax! For those days when it just started to rain where the snow likes to slam on the brakes without notice, I carry a small can of paste wax in my jacket. Rub it on. Wait for a couple of minutes. Rub it in with your glove or cork (This creates a little bit of heat.), and you're good to go for one or two runs.
The brushing I mentioned is to get the wax out of the structure of the ski, which is critical. When you are done, it will look like there isn't any wax on the skis. you will want to put some back on. DON'T! One fellow mentioned here, "Well, I don't want to scrape all the wax off." WRONG!
Try it out. Wha did that old commercial used to say? ... Try it! You'll like it!