National High Pressure- 31.42 Mile City Montana 12/25/1933
World High Pressure- 31.84 Barnaul Russia
World Low Pressure- 27.90 Western Pacific Ocean, Near Marshall Islands
HIGHEST LOWEST 1. 30.97 1934 FEB 1. 28.28 JAN 26 1978 2. 30.96 1948 MAR 2. 28.68 MAR 1947 3. 30.95 1921 JAN 3. 28.80 MAR 1942 4. 30.93 1981 FEB 4. 28.84 FEB 1965 5. 30.92 1893 FEB 5. 28.85 APR 1970 6. 30.90 1902 JAN 6. 28.88 MAR 1973 7. 30.90 1933 DEC 7. 28.88 FEB 1956 8. 30.89 1894 FEB 8. 28.88 JAN 1918 9. 30.89 1955 FEB 9. 28.88 FEB 1912 10. 30.88 1908 FEB 10. 28.94 FEB 1918 MONTH RECORD HIGH YEAR RECORD LOW YEAR JAN 30.95 1921 28.28 1978 FEB 30.97 1934 28.84 1965 MAR 30.96 1948 28.68 1947 APR 30.79 1981 28.85 1970 MAY 30.58 1966 28.99 1929 JUN 30.60 1913 29.34 1957 JUL 30.48 1892 29.34 1932 AUG 30.48 1957 29.48 1885 SEP 30.66 1947 29.26 1966 OCT 30.72 1954 29.03 1988 NOV 30.00 1887 28.95 1891 DEC 30.90 1933 28.97 1968
National High Pressure- 31.42 Mile City Montana 12/25/1933
World High Pressure- 31.84 Barnaul Russia
World Low Pressure- 27.90 Western Pacific Ocean, Near Marshall Islands