| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 7.5 | 17.0 | 14.1 | 5.0 | 43.6 |
| New York City | KNYC | 2.6 | 13.9 | 1.5 | 0.0 | 18.0 |
| Philadelphia | KPHL | 1.5 | 10.6 | 1.5 | 0.0 | 13.6 |
| Baltimore | KBWI | 0.5 | 13.7 | 0.2 | 0.0 | 14.4 |
| Washington, D.C. | KDCA | 0.0 | 13.1 | 0.0 | 0.4 | 13.5 |
| Richmond | KRIC | 0.0 | 8.1 | 0.0 | 0.0 | 8.1 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 0.89 | 1.07 | 1.05 | 0.94 |
| January | 0.09 | 0.51 | 0.69 | 0.67 |
| February | -0.27 | 0.09 | 0.35 | 0.44 |
| March | -0.52 | 0.10 | 0.29 | 0.31 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 0.59 | 1.02 | 0.98 | 0.86 |
| January | 0.04 | 0.68 | 0.90 | 0.73 |
| February | -0.23 | -0.01 | 0.29 | 0.55 |
| March | -0.74 | -0.10 | 0.15 | 0.26 |
| **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 | 0.68 | 1.06 | 1.03 | 0.95 |
| January | 0.18 | 0.49 | 0.75 | 0.83 |
| February | -0.33 | 0.18 | 0.50 | 0.59 |
| March | -0.74 | 0.00 | 0.09 | 0.01 |
| **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 | 1.07 | Nov/Dec/Jan | 1.11 |
| January | 0.99 | Dec/Jan/Feb | 0.81 |
| February | 0.37 | Jan/Feb/Mar | 0.54 |
| March | 0.25 | ||
| **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 | 1.115 | December | 0.90 | ||
| Jan/Feb | 0.716 | January | 0.54 | ||
| Feb/Mar | 0.495 | February | 0.54 | ||
| March | 0.18 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| -4.5 | -1.1 | -5.0 | 2.4 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | 0.94 | 1.27 | 0.8169 |
| January | 0.23 | 0.93 | 0.5242 |
| February | 0.47 | 1.24 | 0.8479 |
| March | 0.49 | 1.42 | 0.9961 |
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OISST.v2.1 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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