| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 11.6 | 33.7 | 36.2 | 14.8 | 96.3 |
| New York City | KNYC | 6.9 | 12.0 | 26.4 | 8.1 | 53.4 |
| Philadelphia | KPHL | 0.9 | 4.1 | 13.2 | 4.9 | 23.1 |
| Baltimore | KBWI | 2.9 | 4.9 | 5.3 | 4.2 | 17.3 |
| Washington, D.C. | KDCA | 2.6 | 3.5 | 3.1 | 4.0 | 13.2 |
| Richmond | KRIC | 5.1 | 2.2 | 1.7 | 0.7 | 9.7 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.29 | 0.00 | 0.19 | 0.37 |
| January | -0.07 | -0.04 | 0.03 | 0.19 |
| February | -0.33 | -0.29 | -0.16 | 0.03 |
| March | -1.13 | -0.36 | -0.06 | 0.11 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.06 | 0.11 | 0.20 | 0.28 |
| January | -0.07 | 0.19 | 0.09 | 0.19 |
| February | -0.25 | -0.08 | 0.07 | 0.04 |
| March | -0.94 | -0.31 | 0.15 | 0.17 |
| **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 | -0.04 | 0.18 | 0.19 | 0.41 |
| January | -0.14 | 0.08 | 0.03 | 0.17 |
| February | -0.28 | -0.30 | -0.13 | -0.03 |
| March | -1.09 | -0.25 | 0.05 | 0.07 |
| **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 | 0.10 | Nov/Dec/Jan | 0.06 |
| January | 0.06 | Dec/Jan/Feb | 0.06 |
| February | 0.03 | Jan/Feb/Mar | 0.07 |
| March | 0.11 | ||
| **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 | 0.352 | December | 0.12 | ||
| Jan/Feb | 0.193 | January | 0.16 | ||
| Feb/Mar | 0.159 | February | -0.07 | ||
| March | 0.52 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| 1.6 | -1.6 | 0.6 | -10.6 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | 0.67 | 1.07 | 0.6966 |
| January | 0.85 | 1.21 | 1.0934 |
| February | 0.33 | 0.59 | 0.6469 |
| March | 0.27 | 0.80 | 0.6426 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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