Brief report:
Drove to the locked gate the previous evening. Thinking of laying out and sleeping under the stars.....didn't happen. Way too cold. I slept inside my car. Temperature next morning: 16 degress F. Brrr....brrr....COLD. Waited for the partial sun to warm up something. Started riding my bike at 8:15AM from the locked gate. Passed the Barcroft Research station (8:45AM). Ditched my mtn bike around 13,000' as I couldn't ride in the snow drifts. Got to the summit at 11:00AM. Stayed there only 15 minutes. Stopped just below the observatory for a side trip to Mount Barcroft (13,040'), reaching its summit at 1:00PM. Quick ride down from the Barcroft Research station to the locked gate: 6 minutes. Back at my car at 1:30PM. Rested, ate and put bike away. Drove down and decided to take another side trip to summit Sheep Mountain (12,497'), 3:00PM. Back to the car at 3:30PM. Eating pizza by 5:30PM at Bishop's Pizza Factory.
Additional info about climbing White Mountain Peak can be found here.