And now we have brakes again. Doesn't sound like much, but that's about an hour and a half since arriving at the airport. Pulled the aircraft back out, climbed in, strapped up and went through the start up check list. Turned the radios on and checked with ASOS while the engine warmed up. Winds had picked up. Now 30 - 40 degree X-wind with 5 - 10 kt gusts. Forecast was for increasing winds with increasing X-wind as the day progressed. Didn't feel up to that sort of stuff right now. Might have been OK, but why take any chances. Shut down and climbed out.