| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 10.7 | 8.1 | 20.0 | 0.0 | 38.8 |
| New York City | KNYC | 9.7 | 2.0 | 26.9 | 1.3 | 39.9 |
| Philadelphia | KPHL | 7.0 | 0.4 | 12.0 | 0.0 | 19.4 |
| Baltimore | KBWI | 6.0 | 0.0 | 13.1 | 0.0 | 19.1 |
| Washington, D.C. | KDCA | 4.8 | 0.0 | 8.8 | 0.0 | 13.6 |
| Richmond | KRIC | 4.4 | 0.0 | 3.2 | 0.9 | 8.5 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -1.19 | -1.27 | -0.75 | -0.25 |
| January | -0.69 | -0.90 | -0.98 | -0.54 |
| February | 0.33 | -0.40 | -0.71 | -0.66 |
| March | -0.27 | -0.58 | -0.73 | -0.48 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -1.00 | -1.20 | -0.89 | -0.16 |
| January | -0.35 | -0.82 | -0.92 | -0.42 |
| February | 0.30 | -0.35 | -0.66 | -0.58 |
| March | -0.22 | -0.51 | -0.66 | -0.47 |
| **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 | -0.50 | -0.86 | -0.68 | -0.14 |
| January | -0.13 | -0.63 | -0.93 | -0.62 |
| February | 0.39 | -0.29 | -0.64 | -0.71 |
| March | 0.25 | -0.60 | -0.65 | -0.40 |
| **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 | -0.97 | Nov/Dec/Jan | -0.84 |
| January | -0.91 | Dec/Jan/Feb | -0.85 |
| February | -0.67 | Jan/Feb/Mar | -0.77 |
| March | -0.71 | ||
| **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 | -0.428 | December | -0.20 | ||
| Jan/Feb | -0.414 | January | -1.22 | ||
| Feb/Mar | -0.521 | February | -0.31 | ||
| March | -1.00 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| 0.1 | 12.7 | 0.1 | 13.8 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | -0.10 | 0.20 | 0.0574 |
| January | 0.54 | 1.03 | 0.8046 |
| February | 0.38 | 0.66 | 0.7239 |
| March | -0.74 | 0.05 | -0.0463 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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