| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 0.3 | 34.3 | 64.8 | 8.6 | 108.0 |
| New York City | KNYC | 1.0 | 16.9 | 13.6 | 18.6 | 50.1 |
| Philadelphia | KPHL | 0.1 | 4.3 | 10.6 | 12.0 | 27.0 |
| Baltimore | KBWI | 0.2 | 5.9 | 14.6 | 7.7 | 28.4 |
| Washington, D.C. | KDCA | 0.0 | 3.6 | 9.8 | 4.9 | 18.3 |
| Richmond | KRIC | 0.0 | 0.3 | 12.2 | 0.3 | 12.8 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 0.14 | 0.80 | 0.77 | 0.71 |
| January | -0.16 | 0.39 | 0.59 | 0.71 |
| February | -0.62 | 0.16 | 0.57 | 0.84 |
| March | -0.01 | 0.08 | 0.48 | 0.76 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 0.34 | 0.71 | 0.75 | 0.86 |
| January | -0.13 | 0.35 | 0.50 | 0.84 |
| February | -0.45 | 0.05 | 0.43 | 0.97 |
| March | 0.16 | 0.14 | 0.52 | 1.02 |
| **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 | 0.08 | 0.80 | 0.78 | 0.91 |
| January | -0.39 | 0.36 | 0.53 | 0.86 |
| February | -0.55 | 0.18 | 0.56 | 1.02 |
| March | 0.06 | 0.15 | 0.58 | 1.13 |
| **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 | 0.72 | Nov/Dec/Jan | 0.66 |
| January | 0.51 | Dec/Jan/Feb | 0.55 |
| February | 0.42 | Jan/Feb/Mar | 0.47 |
| March | 0.47 | ||
| **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 | 0.23 | December | 0.87 | ||
| Jan/Feb | 0.05 | January | 0.94 | ||
| Feb/Mar | 0.13 | February | 0.14 | ||
| March | 0.91 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| -5.5 | -7.8 | 0.6 | -11.2 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | 1.85 | 2.51 | 2.0744 |
| January | 1.51 | 2.45 | 1.9325 |
| February | 1.52 | 2.30 | 2.0789 |
| March | 1.33 | 2.00 | 2.0246 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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