*Season goes from December to February*
*ENSO Strenth based off Oceanic-Nino Index*
Colors: Red= Warm or Postiive Phase, Blue= Cold or Negative Phase, Green= Neutral Phase
| Washington, DC | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Snowfall total | Climate Pattern Season Average | |||||||||
| NAO | PNA | AO | PDO | EPO | ENSO | ||||||
| SOI | Nino 3.4 | Strength | |||||||||
| 2009/2010 | 56.1" | -1.673 | 0.723 | -3.422 | 0.577 | 1.07 | -10.53 | 1.48 | Moderate El Nino | ||
| 1995/1996 | 40.3" | -0.62 | 0.20 | -1.055 | 0.50 | -0.02 | 1.3 | -0.90 | Weak La Nina | ||
| 2002/2003 | 40.3" | -0.053 | 1.203 | -0.645 | 1.98 | 0.62 | -6.7 | 1.16 | Moderate El Nino | ||
| 1960/1961 | 40.3" | 0.307 | 1.073 | -0.409 | 0.593 | -0.11 | 3.5 | -0.26 | Neutral | ||
| 1966/1967 | 36.4" | 0.007 | -0.08 | -0.266 | -0.233 | -0.89 | 7.8 | -0.48 | Neutral | ||
| 1978/1979 | 34.6" | -1.207 | -1.077 | -1.303 | -0.78 | 0.22 | 0.6 | -0.21 | Neutral | ||
| 1986/1987 | 31.1" | -0.297 | 1.007 | -0.854 | 1.80 | -0.02 | -10.8 | 1.13 | Moderate El Nino | ||
| 1957/1958 | 29.5" | -0.493 | 0.35 | -0.946 | 0.11 | -0.72 | -9.1 | 1.56 | Strong El Nino | ||
| 1965/1966 | 28.4" | -0.587 | -0.73 | -1.502 | -0.22 | 0.19 | -4.8 | 1.09 | Moderate El Nino | 1982/1983 | 27.6" | 0.947 | 1.08 | 0.173 | 0.65 | -0.53 | -28.4 | 2.15 | Strong El Nino |