Temperature Sounding for Tucson on Jan. 19, 2000, 5 AM Pressure Height Temperature (millibar) (meter) (C) 928.00 779.00 9.40 900.00 1048.31 17.70 850.00 1535.00 16.40 800.00 2041.27 13.00 750.00 2580.21 9.39 700.00 3154.00 6.60 650.00 3758.89 4.12 600.00 4404.52 0.27 550.00 5095.65 -4.07 500.00 5840.00 -9.50 450.00 6642.62 -16.02 400.00 7520.00 -22.30 350.00 8482.82 -30.47 300.00 9560.00 -38.90 250.00 10790.00 -48.30 200.00 12210.00 -60.70 175.00 13015.27 -66.78 150.00 13940.00 -70.90 125.00 15035.09 -67.14 100.00 16370.00 -71.70 75.00 18091.18 -65.53 50.00 20540.00 -64.90