No CenTex flights – Bitter cold moderates somewhat but still a hard freeze overnight, Congress Flight Time Conditions: Temp 42°F, DewPoint 17°F, Winds S at 9 mph – had been S 10-15 mph all afternoon with gusts to 25 mph around 3pm, 36 Heating Degree Days, Cloud Base 5700′, RH 36% rising, Wind Chill 37°F, BP 30.11 falling