| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 1.5 | 4.4 | 8.5 | 0.4 | 14.8 |
| New York City | KNYC | 0.0 | 0.2 | 11.6 | 0.0 | 11.8 |
| Philadelphia | KPHL | 0.0 | 0.0 | 9.8 | 0.0 | 9.8 |
| Baltimore | KBWI | 0.0 | 0.3 | 7.5 | 0.2 | 8.0 |
| Washington, D.C. | KDCA | 0.0 | 3.9 | 5.8 | 0.4 | 10.1 |
| Richmond | KRIC | 0.0 | 3.1 | 0.0 | 0.8 | 3.9 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 0.68 | 0.94 | 1.21 | 0.91 |
| January | 0.91 | 0.84 | 1.10 | 0.91 |
| February | 0.24 | 0.58 | 0.87 | 0.90 |
| March | -0.57 | 0.06 | 0.49 | 0.82 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 0.79 | 0.85 | 1.29 | 1.02 |
| January | 0.76 | 0.77 | 1.02 | 0.80 |
| February | 0.18 | 0.45 | 0.74 | 0.81 |
| March | -0.42 | 0.02 | 0.51 | 0.83 |
| **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 | 0.82 | 0.93 | 1.30 | 1.01 |
| January | 0.87 | 0.71 | 0.98 | 0.90 |
| February | 0.36 | 0.50 | 0.73 | 0.91 |
| March | -0.40 | -0.06 | 0.41 | 0.77 |
| **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 | 1.19 | Nov/Dec/Jan | 1.09 |
| January | 0.98 | Dec/Jan/Feb | 0.96 |
| February | 0.71 | Jan/Feb/Mar | 0.72 |
| March | 0.48 | ||
| **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 | 1.219 | December | 1.33 | ||
| Jan/Feb | 0.959 | January | 0.84 | ||
| Feb/Mar | 0.845 | February | 0.70 | ||
| March | 0.44 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| -11.6 | -4.0 | -2.7 | 3.5 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | -2.22 | -1.79 | -1.8868 |
| January | -0.86 | -0.49 | -0.4977 |
| February | 0.02 | 0.46 | 0.3507 |
| March | 0.46 | 0.75 | 0.7950 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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