| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 3.7 | 1.5 | 6.7 | 3.2 | 15.1 |
| New York City | KNYC | 0.3 | 5.0 | 0.3 | 2.5 | 8.1 |
| Philadelphia | KPHL | 0.4 | 6.0 | 2.4 | 2.4 | 11.2 |
| Baltimore | KBWI | 0.9 | 6.0 | 1.1 | 0.3 | 8.3 |
| Washington, D.C. | KDCA | 1.2 | 2.9 | 1.2 | 0.4 | 5.7 |
| Richmond | KRIC | 1.8 | 0.0 | 13.6 | 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 | -0.97 | -1.76 | -1.98 | -1.59 |
| January | -0.28 | -1.39 | -1.95 | -1.61 |
| February | 0.05 | -0.79 | -1.37 | -1.36 |
| March | -0.45 | -1.04 | -1.33 | -1.25 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.82 | -1.58 | -1.93 | -1.67 |
| January | -0.28 | -1.44 | -1.97 | -1.64 |
| February | 0.02 | -0.97 | -1.46 | -1.44 |
| March | -0.08 | -0.97 | -1.16 | -1.04 |
| **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 | -0.99 | -2.07 | -2.24 | -1.74 |
| January | -0.37 | -1.48 | -2.04 | -1.76 |
| February | 0.19 | -0.76 | -1.39 | -1.55 |
| March | 0.14 | -1.12 | -1.32 | -1.19 |
| **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 | -1.83 | Nov/Dec/Jan | -1.85 |
| January | -1.87 | Dec/Jan/Feb | -1.69 |
| February | -1.37 | Jan/Feb/Mar | -1.43 |
| March | -1.05 | ||
| **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 | -1.103 | December | -1.47 | ||
| Jan/Feb | -1.241 | January | -1.55 | ||
| Feb/Mar | -1.035 | February | -1.23 | ||
| March | -1.14 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| 10.8 | 13.2 | 9.1 | 6.7 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | -0.14 | -0.43 | -0.0029 |
| January | -1.24 | -0.95 | -0.8528 |
| February | -1.45 | -1.02 | -0.8529 |
| March | -1.24 | -0.83 | -0.7658 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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