Average Average Average Extreme Extreme Greatest Month Monthly Daily Daily Daily Daily 1 Hour Average Maximum Minimum Maximum Minimum Change (in. Hg) (in. Hg) (in. Hg) (in. Hg) (in. Hg) (in. Hg) January 25.103 25.194 25.008 25.682 24.150 0.099 February 25.043 25.129 24.953 25.682 24.402 0.085 March 25.013 25.099 24.923 25.593 24.360 0.089 April 24.978 25.065 24.889 25.512 24.406 0.096 May 24.996 25.065 24.925 25.557 24.465 0.109 June 25.028 25.093 24.957 25.495 24.475 0.111 July 25.092 25.151 25.029 25.380 24.659 0.127 August 25.094 25.155 25.027 25.395 24.622 0.135 September 25.091 25.159 25.019 25.509 24.653 0.117 October 25.087 25.170 25.002 25.628 24.457 0.132 November 25.098 25.190 25.003 25.613 24.397 0.093 December 25.081 25.177 24.982 25.654 24.194 0.087 ANNUAL 25.059 25.137 24.977 25.682 24.150 0.135 Note: Data period of record spans January 1993 through December 2022.