| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 5.0 | 9.7 | 4.8 | 8.2 | 27.7 |
| New York City | KNYC | 0.0 | 4.4 | 3.8 | 1.7 | 9.9 |
| Philadelphia | KPHL | 0.0 | 1.7 | 4.1 | 5.5 | 11.3 |
| Baltimore | KBWI | 0.2 | 5.0 | 7.1 | 2.7 | 15.0 |
| Washington, D.C. | KDCA | 0.2 | 2.3 | 4.0 | 0.0 | 6.5 |
| Richmond | KRIC | 1.0 | 0.7 | 1.0 | 0.0 | 2.7 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -1.03 | -0.80 | -0.43 | 0.03 |
| January | -0.56 | -0.70 | -0.43 | 0.10 |
| February | -0.03 | -0.39 | -0.24 | 0.19 |
| March | 0.82 | 0.06 | -0.06 | 0.20 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -1.21 | -0.98 | -0.61 | -0.09 |
| January | -0.88 | -0.90 | -0.54 | 0.09 |
| February | -0.14 | -0.68 | -0.36 | 0.29 |
| March | 0.61 | -0.30 | -0.20 | 0.36 |
| **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 | -1.18 | -0.94 | -0.55 | -0.05 |
| January | -0.79 | -0.93 | -0.61 | 0.11 |
| February | -0.33 | -0.62 | -0.36 | 0.23 |
| March | 0.43 | -0.16 | -0.19 | 0.33 |
| **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 | -0.61 | Nov/Dec/Jan | -0.49 |
| January | -0.54 | Dec/Jan/Feb | -0.50 |
| February | -0.36 | Jan/Feb/Mar | -0.36 |
| March | -0.20 | ||
| **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 | -0.480 | December | -0.48 | ||
| Jan/Feb | -0.605 | January | -0.30 | ||
| Feb/Mar | -0.248 | February | -0.75 | ||
| March | 0.42 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| 7.2 | 4.1 | 13.3 | -8.5 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | -0.03 | -0.03 | 0.1159 |
| January | 0.44 | 0.23 | 0.5557 |
| February | 0.29 | 0.28 | 0.7188 |
| March | 0.39 | 0.65 | 0.6871 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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