| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 24.1 | 39.8 | 15.5 | 16.8 | 96.2 |
| New York City | KNYC | 11.5 | 26.1 | 21.2 | 13.2 | 72.0 |
| Philadelphia | KPHL | 7.3 | 33.8 | 12.9 | 7.2 | 61.2 |
| Baltimore | KBWI | 2.3 | 32.6 | 19.0 | 7.6 | 61.5 |
| Washington, D.C. | KDCA | 1.3 | 23.8 | 15.2 | 5.2 | 45.5 |
| Richmond | KRIC | 1.5 | 16.2 | Missing | Missing | 17.7 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.68 | -0.74 | -0.72 | -0.24 |
| January | -0.61 | -0.58 | -0.65 | -0.35 |
| February | -0.32 | -0.53 | -0.66 | -0.31 |
| March | -0.07 | -0.29 | -0.48 | -0.20 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.92 | -0.95 | -0.91 | -0.40 |
| January | -0.63 | -0.82 | -0.86 | -0.39 |
| February | -0.36 | -0.68 | -0.85 | -0.43 |
| March | -0.26 | -0.48 | -0.56 | -0.28 |
| **ERSST.v5 values using 1981-2010 base periods** | ||||
| Monthly Index Values(OISST.v2) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.77 | -0.95 | -1.00 | -0.42 |
| January | -0.62 | -0.67 | -0.83 | -0.38 |
| February | -0.36 | -0.65 | -0.87 | -0.53 |
| March | -0.43 | -0.43 | -0.60 | -0.48 |
| **OISST.v2 values using 1981-2010 base periods** | ||||
| Historic Nino 3.4/Oceanic-Nino Index Values(ERSST.v5) | |||
|---|---|---|---|
| Month | Nino 3.4 | 3-Month Period | ONI |
| December | -1.00 | Nov/Dec/Jan | -0.98 |
| January | -0.86 | Dec/Jan/Feb | -0.90 |
| February | -0.85 | Jan/Feb/Mar | -0.75 |
| March | -0.56 | ||
| **Anomalies calculated using 30-year climatological values, updated every five years. The updating of base periods removes observed warming trend in Nino 3.4 region. Anomalies generated from CPC** | |||
| Multivariate/Bivariate ENSO Indexes | |||||
|---|---|---|---|---|---|
| Month | MEI | Month | BEST | ||
| Dec/Jan | -0.597 | December | 0.01 | ||
| Jan/Feb | -0.566 | January | -0.66 | ||
| Feb/Mar | -0.236 | February | -0.39 | ||
| March | -0.52 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| -5.5 | 8.4 | 1.1 | 6.2 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | 0.44 | 0.16 | 0.7715 |
| January | 1.01 | 0.59 | 0.9696 |
| February | 1.01 | 0.75 | 0.9504 |
| March | 0.85 | 1.01 | 0.9253 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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