Average Average Average Extreme Extreme Greatest 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 25.102 25.193 25.007 25.682 24.15 0.099 February 25.043 25.129 24.952 25.682 24.354 0.085 March 25.011 25.097 24.921 25.593 24.36 0.089 April 24.981 25.067 24.891 25.512 24.406 0.096 May 24.999 25.067 24.928 25.557 24.465 0.109 June 25.029 25.094 24.958 25.495 24.475 0.111 July 25.093 25.152 25.030 25.380 24.659 0.127 August 25.096 25.157 25.029 25.395 24.622 0.135 September 25.091 25.160 25.020 25.509 24.653 0.117 October 25.088 25.171 25.003 25.628 24.457 0.132 November 25.100 25.192 25.006 25.613 24.397 0.093 December 25.085 25.180 24.987 25.654 24.194 0.087 ANNUAL 25.060 25.138 24.978 25.682 24.15 0.135 Note: Data period of record spans January 1993 through December 2023.