2019 SNS Mixing Height Average Std Dev January 441.9 440.3 February 543.6 539.3 March 721.3 755.6 April 891.2 936.8 May 1052.4 1097.5 June 968.3 1014.0 July 1124.7 1175.2 August 1088.4 1143.4 September 1048.3 1101.2 October 624.6 685.7 November 530.1 587.5 December 559.0 618.4 Annual 800.3 Max 7264.4 Min 71.8 Std Dev 981.0 2019 Synoptic Pressure Gradient ORNL-NAM Boundary Layer Wind (kts) ORNL-NAM Boundary Layer Wind (kts) mb/km Average Std Dev 850-mb Average Std Dev 925-mb Average Std Dev January 0.012 0.008 January 23.4 12.3 January 14.9 9.3 February 0.012 0.008 February 26.5 14.0 February 18.2 9.1 March 0.012 0.007 March 20.1 11.9 March 15.0 8.1 April 0.009 0.006 April 21.2 11.7 April 15.5 8.8 May 0.006 0.003 May 16.6 8.1 May 13.3 6.9 June 0.006 0.004 June 15.9 8.5 June 12.9 7.1 July 0.004 0.003 July 9.7 6.3 July 9.2 5.9 August 0.004 0.003 August 9.3 6.1 August 7.8 4.1 September 0.005 0.003 September 7.9 5.1 September 8.0 4.4 October 0.009 0.007 October 15.1 11.2 October 11.7 8.4 November 0.010 0.008 November 18.4 9.4 November 13.7 8.1 December 0.012 0.008 December 23.6 19.4 December 16.1 9.0 Annual 0.008 0.007 Annual 17.3 12.4 Annual 13.0 8.2