We did first week in June at the campground, so similar weather. It was hot, but not the unbearable temps of August / September. I think the biggest difference might be the crowd level differences depending on when in February you usually go.
Nice looking rig. With any luck there will be a May trip report thread. Would like to hear from you then and know how your trip goes. In the meantime, don't be a stranger and take part in some discussions. We like new faces...err...I mean new posters. I mean, you can post a picture of yourself if you like. Mine is the one below with the Reeses in my mouth.