| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 0.0 | 6.8 | 0.9 | 0.6 | 8.3 |
| New York City | KNYC | 0.0 | 4.3 | 0.2 | 0.0 | 4.5 |
| Philadelphia | KPHL | 0.0 | 2.5 | 1.2 | 0.0 | 3.7 |
| Baltimore | KBWI | 0.0 | 1.3 | 0.5 | 0.0 | 1.8 |
| Washington, D.C. | KDCA | 0.0 | 1.7 | 0.3 | 0.0 | 2.0 |
| Richmond | KRIC | 0.0 | 0.0 | 4.0 | 0.5 | 4.5 |
| 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 | -0.79 | -1.05 | -1.04 |
| January | -0.39 | -0.73 | -0.93 | -1.01 |
| February | 0.40 | -0.14 | -0.61 | -0.72 |
| March | -0.02 | -0.15 | -0.48 | -0.56 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.75 | -0.90 | -1.02 | -0.91 |
| January | -0.16 | -0.58 | -0.88 | -0.94 |
| February | 0.44 | -0.19 | -0.66 | -0.81 |
| March | 0.23 | -0.13 | -0.57 | -0.65 |
| **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 | -0.96 | -0.94 | -1.04 | -1.10 |
| January | -0.64 | -0.73 | -1.08 | -1.21 |
| February | 0.16 | -0.18 | -0.69 | -0.90 |
| March | 0.27 | -0.21 | -0.58 | -0.66 |
| **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 | -1.05 | Nov/Dec/Jan | -1.04 |
| January | -0.87 | Dec/Jan/Feb | -0.86 |
| February | -0.67 | Jan/Feb/Mar | -0.72 |
| March | -0.61 | ||
| **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-V2 | Month | BEST | ||
| Dec/Jan | -1.08 | December | -2.37 | ||
| Jan/Feb | -0.67 | January | -1.30 | ||
| Feb/Mar | -0.59 | February | -0.84 | ||
| March | -0.85 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| 23.0 | 9.4 | 2.5 | 2.9 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | -2.40 | -1.79 | -1.9915 |
| January | -1.85 | -1.38 | -1.3331 |
| February | -1.35 | -0.85 | -0.8224 |
| March | -1.66 | -1.05 | -1.0674 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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