| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 5.8 | 0.4 | 4.0 | 10.8 | 21.0 |
| New York City | KNYC | 0.7 | 1.5 | 1.0 | 9.4 | 12.6 |
| Philadelphia | KPHL | 0.0 | 1.2 | 1.0 | 2.5 | 4.7 |
| Baltimore | KBWI | 0.0 | 2.2 | 1.9 | 0.0 | 4.1 |
| Washington, D.C. | KDCA | 0.0 | 4.0 | 2.6 | 0.0 | 6.6 |
| Richmond | KRIC | 0.0 | 0.0 | 0.8 | 0.0 | 0.8 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 0.45 | 1.32 | 1.62 | 0.82 |
| January | 0.36 | 1.39 | 1.61 | 0.65 |
| February | 0.44 | 1.21 | 1.62 | 0.88 |
| March | 0.92 | 1.19 | 1.50 | 0.86 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 0.76 | 1.28 | 1.73 | 0.91 |
| January | 0.49 | 1.36 | 1.83 | 0.70 |
| February | 0.69 | 1.26 | 1.79 | 0.98 |
| March | 1.31 | 1.10 | 1.43 | 0.76 |
| **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 | 0.64 | 1.38 | 1.80 | 0.96 |
| January | 0.37 | 1.37 | 1.84 | 0.76 |
| February | 0.61 | 1.30 | 1.91 | 0.92 |
| March | 1.24 | 1.19 | 1.61 | 0.89 |
| **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 | 1.62 | Nov/Dec/Jan | 1.53 |
| January | 1.78 | Dec/Jan/Feb | 1.71 |
| February | 1.74 | Jan/Feb/Mar | 1.63 |
| 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 | 1.747 | December | 1.82 | ||
| Jan/Feb | 1.886 | January | 2.12 | ||
| Feb/Mar | 1.985 | February | 1.51 | ||
| March | 2.22 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| -16.7 | -25.4 | -9.3 | -24.2 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | -0.21 | 0.09 | -0.0262 |
| January | 0.08 | 0.05 | 0.1616 |
| February | 0.17 | 0.31 | 0.4081 |
| March | 0.12 | 0.67 | 0.5071 |
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OISST.v2.1 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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