| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 0.8 | 1.0 | 4.6 | 10.2 | 16.6 |
| New York City | KNYC | 0.0 | 2.6 | 3.8 | 6.0 | 12.4 |
| Philadelphia | KPHL | 0.0 | 2.2 | 6.5 | 4.7 | 13.4 |
| Baltimore | KBWI | 0.0 | 0.9 | 8.5 | 1.4 | 10.8 |
| Washington, D.C. | KDCA | 0.0 | 1.3 | 5.9 | 1.9 | 9.1 |
| Richmond | KRIC | 0.0 | 0.0 | 0.3 | 0.0 | 0.3 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 0.62 | 1.06 | 1.10 | 0.82 |
| January | 0.57 | 0.63 | 0.59 | 0.53 |
| February | 0.06 | 0.00 | 0.12 | 0.35 |
| March | -0.65 | -0.36 | -0.15 | 0.15 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 0.64 | 1.17 | 1.18 | 1.02 |
| January | 0.68 | 0.86 | 0.69 | 0.73 |
| February | 0.19 | 0.08 | 0.14 | 0.56 |
| March | -0.57 | -0.35 | -0.13 | 0.46 |
| **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 | 0.66 | 1.22 | 1.19 | 0.98 |
| January | 0.53 | 0.87 | 0.69 | 0.63 |
| February | 0.17 | 0.08 | 0.09 | 0.52 |
| March | -0.78 | -0.35 | -0.04 | 0.38 |
| **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 | 1.14 | Nov/Dec/Jan | 0.94 |
| January | 0.70 | Dec/Jan/Feb | 0.66 |
| February | 0.13 | Jan/Feb/Mar | 0.22 |
| March | -0.09 | ||
| **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 | 0.985 | December | 0.90 | ||
| Jan/Feb | 0.537 | January | 0.88 | ||
| Feb/Mar | 0.125 | February | 0.30 | ||
| March | 0.15 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| -3.5 | -7.8 | -2.7 | -1.4 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | -0.42 | 0.14 | -0.0744 |
| January | -0.69 | 0.01 | -0.1964 |
| February | -0.71 | 0.04 | 0.0063 |
| March | -1.10 | -0.36 | -0.3529 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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