| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 7.8 | 10.0 | 0.3 | 3.6 | 21.7 |
| New York City | KNYC | 0.0 | 0.5 | 0.0 | 5.0 | 5.5 |
| Philadelphia | KPHL | 0.2 | 0.5 | 0.0 | 0.1 | 0.8 |
| Baltimore | KBWI | 0.4 | 0.7 | 0.0 | 2.1 | 3.2 |
| Washington, D.C. | KDCA | 0.1 | 0.0 | 0.0 | 0.0 | 0.1 |
| Richmond | KRIC | 1.2 | 0.0 | Missing | 0.0 | 1.2 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 4.27 | 3.24 | 2.30 | 0.78 |
| January | 3.55 | 3.03 | 2.42 | 0.91 |
| February | 2.88 | 2.50 | 2.08 | 0.85 |
| March | 2.88 | 2.03 | 1.49 | 0.51 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 4.18 | 3.33 | 2.33 | 0.67 |
| January | 3.57 | 3.08 | 2.37 | 0.72 |
| February | 2.72 | 2.49 | 2.04 | 0.69 |
| March | 2.81 | 1.96 | 1.39 | 0.42 |
| **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 | 4.13 | 3.62 | 2.69 | 0.83 |
| January | 3.76 | 3.31 | 2.53 | 0.71 |
| February | 2.91 | 2.56 | 2.14 | 0.77 |
| March | 2.63 | 2.00 | 1.45 | 0.46 |
| **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 | 2.32 | Nov/Dec/Jan | 2.39 |
| January | 2.37 | Dec/Jan/Feb | 2.24 |
| February | 2.03 | Jan/Feb/Mar | 1.93 |
| March | 1.38 | ||
| **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 | 2.455 | December | 1.74 | ||
| Jan/Feb | 2.777 | January | 2.73 | ||
| Feb/Mar | 2.751 | February | 2.61 | ||
| March | 2.46 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| -9.1 | -23.5 | -19.2 | -28.5 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | 0.99 | 0.67 | 0.9542 |
| January | 1.05 | 0.83 | 1.2312 |
| February | 1.52 | 1.56 | 1.6529 |
| March | 1.29 | 2.01 | 1.7207 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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