I have only camped in March as well. We usually go the second week of March and have weather ranging from 50 to 65 degrees. We did however wake up one morning to snow! luckily we were able to hunker down in our trailer!
Not Feb, but I have camped there in March. I assume you are asking about temperatures? If so; Yes, it is still mighty cold overnight in Feb and March - freezing with possible below freezing temps each night.