| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 25.3 | 23.7 | 6.2 | 10.7 | 65.9 |
| New York City | KNYC | 6.0 | 9.0 | 4.3 | 8.3 | 27.6 |
| Philadelphia | KPHL | 0.4 | 4.1 | 8.4 | 9.0 | 21.9 |
| Baltimore | KBWI | 0.6 | 2.1 | 0.6 | 5.8 | 9.1 |
| Washington, D.C. | KDCA | 0.0 | 1.9 | 0.1 | 5.5 | 7.5 |
| Richmond | KRIC | 0.0 | 0.0 | 0.3 | 6.3 | 6.6 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.33 | -0.63 | -0.90 | -0.72 |
| January | -0.17 | -0.62 | -1.00 | -0.71 |
| February | -0.31 | -0.49 | -0.71 | -0.52 |
| March | -0.85 | -0.76 | -0.72 | -0.35 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.53 | -0.54 | -0.82 | -0.71 |
| January | -0.15 | -0.51 | -0.90 | -0.87 |
| February | -0.60 | -0.57 | -0.78 | -0.75 |
| March | -0.74 | -0.67 | -0.65 | -0.47 |
| **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 | -0.36 | -0.54 | -0.83 | -0.77 |
| January | -0.10 | -0.60 | -1.03 | -0.88 |
| February | -0.11 | -0.52 | -0.68 | -0.73 |
| March | -0.26 | -0.70 | -0.55 | -0.40 |
| **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 | -0.86 | Nov/Dec/Jan | -0.73 |
| January | -0.89 | Dec/Jan/Feb | -0.85 |
| February | -0.79 | Jan/Feb/Mar | -0.79 |
| March | -0.70 | ||
| **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-V1 | MEI-V2 | Month | BEST | |
| Dec/Jan | -0.714 | -1.01 | December | -1.07 | |
| Jan/Feb | -0.690 | -0.85 | January | -1.32 | |
| Feb/Mar | -0.705 | -0.94 | February | -1.95 | |
| March | -0.30 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| 13.3 | 9.4 | 14.8 | 0.2 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | -1.31 | -0.87 | -0.8644 |
| January | -1.81 | -1.40 | -1.2744 |
| February | -1.78 | -1.55 | -1.2518 |
| March | -2.06 | -1.59 | -1.4949 |
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OISST.v2.1 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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