Top 15 Snowstorms(Dec to Feb 1950-2018) Boston, MA
Logan Airport(KBOS)
Storm Event	Snowfall(inches)	NAO(7-day Average)	PNA(7-day Average)	AO(7-day Average)	ENSO**	PDO(monthly)	MJO(daily)
February 17-18, 2003	27.6	2/12 to 2/18 = 0.781	2/12 to 2/18 = 0.546	2/12 to 2/18 = 0.105	Weak El Nino	Strong Positive	Phase 5 and 7
February 6-7, 1978	27.1	2/1 to 2/7 = 0.116	2/1 to 2/7 = 1.011	2/1 to 2/7 = -4.494	Weak El Nino	Positive	Phase 7 and 8
February 24-27, 1969	26.3	2/21 to 2/27 = -0.788	2/21 to 2/27 = -0.125	2/21 to 2/27 = -2.458	Moderate El Nino	Weak Negative	Phase N/A
February 8-9, 2013	24.9	2/3 to 2/9 = 0.489	2/3 to 2/9 = 0.439	2/3 to 2/9 = -0.082	Neutral	Neutral	Phase 1
January 26-28, 2015	24.6	1/22 to 1/28 = 0.943	1/22 to 1/28 = 0.238	1/22 to 1/28 = 1.056	Weak El Nino	Strong Positive	Phase 6,7,8
February 7-9, 2015	23.1	2/3 to 2/9 = 0.538	2/3 to 2/9 = 0.291	2/3 to 2/9 = 0.045	Weak El Nino	Strong Positive	Phase 8
January 22-23, 2005	22.5	1/17 to 1/23 = 0.891	1/17 to 1/23 = 0.720	1/17 to 1/23 = -0.570	Weak El Nino	Neutral	Phase 8
January 20-21, 1978	21.5	1/15 to 1/21 = 0.469	1/15 to 1/21 = 0.190	1/15 to 1/21 = -0.111	Weak El Nino	Neutral	Phase 4
March 3-5, 1960	19.8	2/27 to 3/4 = -0.137	2/27 to 3/4 = -0.786	2/27 to 3/4 = -1.535	Neutral	Neutral	Phase N/A
February 16-17, 1958	19.4	2/11 to 2/17 = -0.410	2/11 to 2/17 = 0.952	2/11 to 2/17 = -1.910	Moderate El Nino	Weak Positive	N/A
February 8-10, 1994	18.7	2/4 to 2/10 = 0.430	2/4 to 2/10 = -0.230	2/4 to 2/10 = -0.686	Neutral	Weak Positive	Phase 3
January 7-8, 1996	18.2	1/2 to 1/8 = -0.925	1/2 to 1/8 = 0.245	1/2 to 1/8 = -1.644	Weak La Nina	Weak Positive	Phase 1
December 26-27, 2010	18.2	12/21 to 12/27 = -0.964	12/21 to 12/27 = -1.083	12/21 to 12/27 = -3.573	Moderate La Nina	Negative	Phase 5