| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 11.7 | 21.8 | 22.9 | 2.2 | 58.6 |
| New York City | KNYC | 8.6 | 19.7 | 29.0 | 0.1 | 57.4 |
| Philadelphia | KPHL | 11.2 | 25.9 | 22.4 | 8.5 | 68.0 |
| Baltimore | KBWI | 2.9 | 9.8 | 14.2 | 12.1 | 39.0 |
| Washington, D.C. | KDCA | 1.5 | 6.6 | 11.2 | 12.7 | 32.0 |
| Richmond | KRIC | 0.0 | 5.1 | 5.8 | 3.6 | 14.5 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.25 | -0.02 | -0.09 | -0.08 |
| January | 0.37 | -0.27 | -0.42 | -0.23 |
| February | -0.67 | -0.65 | -0.45 | 0.08 |
| March | -0.51 | -0.16 | -0.07 | 0.27 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.51 | -0.11 | -0.13 | 0.04 |
| January | 0.02 | -0.44 | -0.50 | -0.10 |
| February | -0.53 | -0.79 | -0.61 | 0.17 |
| March | -0.24 | -0.27 | -0.23 | 0.40 |
| **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 | -0.20 | -0.04 | -0.04 | 0.15 |
| January | 0.27 | -0.37 | -0.51 | -0.17 |
| February | -0.75 | -0.81 | -0.55 | 0.27 |
| March | -0.78 | -0.24 | -0.22 | 0.52 |
| **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 | -0.17 | Nov/Dec/Jan | -0.27 |
| January | -0.49 | Dec/Jan/Feb | -0.42 |
| February | -0.61 | Jan/Feb/Mar | -0.46 |
| March | -0.28 | ||
| **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 | -0.51 | December | -0.01 | ||
| Jan/Feb | -0.43 | January | -1.26 | ||
| Feb/Mar | -0.08 | February | -0.37 | ||
| March | 0.54 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| 0.6 | 12.2 | -1.3 | -13.3 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | -1.04 | -0.41 | -0.7854 |
| January | -0.57 | 0.30 | -0.0030 |
| February | -0.42 | 0.38 | 0.0712 |
| March | 0.30 | 0.97 | 0.8634 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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