| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 3.7 | 7.0 | 10.2 | 3.7 | 24.6 |
| New York City | KNYC | 5.5 | 8.4 | 10.0 | 0.2 | 24.1 |
| Philadelphia | KPHL | 0.2 | 11.9 | 4.4 | 0.0 | 16.5 |
| Baltimore | KBWI | 0.1 | 9.1 | 0.4 | 0.0 | 9.6 |
| Washington, D.C. | KDCA | 0.3 | 10.0 | 0.0 | 0.0 | 10.3 |
| Richmond | KRIC | 0.0 | 8.3 | 0.0 | 0.0 | 8.3 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.50 | -1.36 | -1.53 | -1.11 |
| January | -0.77 | -1.01 | -0.89 | -0.53 |
| February | -1.13 | -1.02 | -0.91 | -0.60 |
| March | -0.59 | -0.94 | -0.96 | -0.78 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.48 | -1.24 | -1.31 | -0.85 |
| January | -0.76 | -1.27 | -1.17 | -0.56 |
| February | -1.30 | -0.90 | -0.71 | -0.61 |
| March | -0.82 | -0.73 | -0.74 | -0.90 |
| **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 | -0.21 | -1.44 | -1.57 | -1.05 |
| January | -0.87 | -1.12 | -1.14 | -0.59 |
| February | -1.20 | -1.18 | -1.05 | -0.55 |
| March | -0.78 | -1.03 | -0.99 | -0.81 |
| **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 | -1.25 | Nov/Dec/Jan | -1.14 |
| January | -1.17 | Dec/Jan/Feb | -1.04 |
| February | -0.71 | Jan/Feb/Mar | -0.85 |
| March | -0.67 | ||
| **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 | -0.546 | December | -0.62 | ||
| Jan/Feb | -0.576 | January | -0.19 | ||
| Feb/Mar | -0.696 | February | -0.95 | ||
| March | -0.72 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| -1.4 | -3.5 | 6.7 | -2.0 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | 0.48 | 0.82 | 0.4451 |
| January | 0.87 | 1.27 | 0.7911 |
| February | 0.48 | 0.94 | 0.5618 |
| March | -0.34 | 0.57 | -0.0814 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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