2020 SNS Mixing Height Average Std Dev January 540.0 391.8 February 534.5 325.2 March 584.8 429.5 April 824.6 798.1 May 871.8 957.2 June 843.5 869.6 July 739.2 714.5 August 779.3 819.4 September 591.1 604.1 October 563.5 520.4 November 558.5 440.0 December 580.2 377.6 Annual 668.0 Max 5623.1 Min 60.0 Std Dev 652.5 2020 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 26.0 13.6 January 17.5 10.1 February 0.012 0.007 February 24.6 13.0 February 18.3 9.7 March 0.011 0.006 March 23.0 11.2 March 18.8 9.7 April 0.011 0.007 April 20.5 13.6 April 15.2 9.2 May 0.008 0.004 May 17.3 9.1 May 13.7 7.0 June 0.006 0.004 June 14.9 9.0 June 12.9 7.4 July 0.003 0.003 July 9.1 5.2 July 8.0 4.8 August 0.005 0.003 August 10.8 8.1 August 8.5 6.3 September 0.008 0.005 September 12.8 7.3 September 11.5 6.7 October 0.008 0.006 October 15.3 8.5 October 12.3 6.9 November 0.011 0.008 November 17.7 11.8 November 14.0 8.8 December 0.012 0.008 December 22.7 11.2 December 15.7 8.2 Annual 0.009 0.007 Annual 17.9 11.7 Annual 13.9 8.7