| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 0.0 | 13.2 | 9.2 | 2.0 | 24.4 |
| New York City | KNYC | 0.0 | 9.5 | 5.2 | 0.4 | 15.1 |
| Philadelphia | KPHL | 0.0 | 13.7 | 5.7 | 0.0 | 19.4 |
| Baltimore | KBWI | 0.2 | 23.1 | 2.6 | 0.0 | 25.9 |
| Washington, D.C. | KDCA | 0.0 | 14.5 | 0.9 | 0.0 | 15.4 |
| Richmond | KRIC | 0.0 | 15.2 | 0.2 | 0.0 | 15.4 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -1.06 | -1.46 | -1.54 | -1.20 |
| January | -0.89 | -1.71 | -1.79 | -1.35 |
| February | -0.47 | -1.15 | -1.53 | -1.38 |
| March | -0.56 | -0.82 | -1.26 | -1.34 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.71 | -1.52 | -1.70 | -1.26 |
| January | -0.74 | -1.67 | -1.77 | -1.25 |
| February | -0.54 | -1.14 | -1.54 | -1.37 |
| March | -0.40 | -0.46 | -0.94 | -1.31 |
| **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 | -1.07 | -1.60 | -1.67 | -1.26 |
| January | -0.60 | -1.75 | -1.92 | -1.34 |
| February | -0.36 | -1.06 | -1.53 | -1.44 |
| March | -0.33 | -0.53 | -1.14 | -1.43 |
| **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 | -1.70 | Nov/Dec/Jan | -1.65 |
| January | -1.77 | Dec/Jan/Feb | -1.66 |
| February | -1.53 | Jan/Feb/Mar | -1.41 |
| March | -0.93 | ||
| **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 | -1.122 | December | -1.49 | ||
| Jan/Feb | -1.189 | January | -1.26 | ||
| Feb/Mar | -1.090 | February | -1.75 | ||
| March | -1.20 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| 12.8 | 5.1 | 12.9 | 9.4 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | -1.92 | -1.63 | -1.3216 |
| January | -2.20 | -2.00 | -1.5358 |
| February | -1.28 | 0.83 | -0.7145 |
| March | -0.66 | 0.29 | -0.2172 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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