Today's approximate pressure to altitude conversions.
scroll   08 AM     09 AM     10 AM     11 AM     12 PM      13 PM      14 PM      15 PM      16 PM      17 PM      18 PM      19 PM      20 PM  
MaxMin max/min 08 max/min 09 max/min 10 max/min 11 max/min 12 max/min 13 max/min 14 max/min 15 max/min 16 max/min 17 max/min 18 max/min 19 max/min 20
High 700 @ 08 700 @ 09 700 @ 10 700 @ 11 700 @ 12 700 @ 13 700 @ 14 700 @ 15 700 @ 16 700 @ 17 700 @ 18 700 @ 19 700 @ 20
↓ 850 @ 08 850 @ 09 850 @ 10 850 @ 11 850 @ 12 850 @ 13 850 @ 14 850 @ 15 850 @ 16 850 @ 17 850 @ 18 850 @ 19 850 @ 20
pres 860 @ 08 860 @ 09 860 @ 10 860 @ 11 860 @ 12 860 @ 13 860 @ 14 860 @ 15 860 @ 16 860 @ 17 860 @ 18 860 @ 19 860 @ 20
lev 870 @ 08 870 @ 09 870 @ 10 870 @ 11 870 @ 12 870 @ 13 870 @ 14 870 @ 15 870 @ 16 870 @ 17 870 @ 18 870 @ 19 870 @ 20
↓ 880 @ 08 880 @ 09 880 @ 10 880 @ 11 880 @ 12 880 @ 13 880 @ 14 880 @ 15 880 @ 16 880 @ 17 880 @ 18 880 @ 19 880 @ 20
890 @ 08 890 @ 09 890 @ 10 890 @ 11 890 @ 12 890 @ 13 890 @ 14 890 @ 15 890 @ 16 890 @ 17 890 @ 18 890 @ 19 890 @ 20
↑ 900 @ 08 900 @ 09 900 @ 10 900 @ 11 900 @ 12 900 @ 13 900 @ 14 900 @ 15 900 @ 16 900 @ 17 900 @ 18 900 @ 19 900 @ 20
910 @ 08 910 @ 09 910 @ 10 910 @ 11 910 @ 12 910 @ 13 910 @ 14 910 @ 15 910 @ 16 910 @ 17 910 @ 18 910 @ 19 910 @ 20
↑ 920 @ 08 920 @ 09 920 @ 10 920 @ 11 920 @ 12 920 @ 13 920 @ 14 920 @ 15 920 @ 16 920 @ 17 920 @ 18 920 @ 19 920 @ 20
930 @ 08 930 @ 09 930 @ 10 930 @ 11 930 @ 12 930 @ 13 930 @ 14 930 @ 15 930 @ 16 930 @ 17 930 @ 18 930 @ 19 930 @ 20
940 @ 08 940 @ 09 940 @ 10 940 @ 11 940 @ 12 940 @ 13 940 @ 14 940 @ 15 940 @ 16 940 @ 17 940 @ 18 940 @ 19 940 @ 20
950 @ 08 950 @ 09 950 @ 10 950 @ 11 950 @ 12 950 @ 13 950 @ 14 950 @ 15 950 @ 16 950 @ 17 950 @ 18 950 @ 19 950 @ 20
960 @ 08 960 @ 09 960 @ 10 960 @ 11 960 @ 12 960 @ 13 960 @ 14 960 @ 15 960 @ 16 960 @ 17 960 @ 18 960 @ 19 960 @ 20
970 @ 08 970 @ 09 970 @ 10 970 @ 11 970 @ 12 970 @ 13 970 @ 14 970 @ 15 970 @ 16 970 @ 17 970 @ 18 970 @ 19 970 @ 20
980 @ 08 980 @ 09 980 @ 10 980 @ 11 980 @ 12 980 @ 13 980 @ 14 980 @ 15 980 @ 16 980 @ 17 980 @ 18 980 @ 19 980 @ 20
↑ 990 @ 08 990 @ 09 990 @ 10 990 @ 11 990 @ 12 990 @ 13 990 @ 14 990 @ 15 990 @ 16 990 @ 17 990 @ 18 990 @ 19 990 @ 20
Low 1000 @ 08 1000 @ 09 1000 @ 10 1000 @ 11 1000 @ 12 1000 @ 13 1000 @ 14 1000 @ 15 1000 @ 16 1000 @ 17 1000 @ 18 1000 @ 19 1000 @ 20