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All-Time Pressure Extremes for Dallas/Fort Worth (Since September 1, 1898)
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| Month | Highest (in.) / Year | Lowest (in.) / Year |
|---|---|---|
| January | 31.05 / 1962 | 29.29 / 1996 |
| February | 31.00 / 1899 | 28.97 / 1960 |
| March | 30.77 / 1996 | 29.23 / 1984 |
| April | 30.74 / 1940 | 29.14 / 1953 |
| May | 30.50 / 1906 | 29.25 / 1973 |
| June | 30.32 / 1979 | 29.37 / 1974 |
| July | 30.31 / 1972 | 29.54 / 1926 |
| August | 30.31 / 2003 | 29.48 / 1915 |
| September | 30.47 / 1981 | 28.94 / 1961 |
| October | 30.70 / 2008 | 29.32 / 2010 |
| November | 30.84 / 1986 | 29.33 / 2006 |
| December | 31.06 / 1983 | 29.31 / 1971 |
Note: The above pressures are corrected to sea level.