| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 3.4 | 5.0 | 34.0 | 20.6 | 63.0 |
| New York City | KNYC | 0.4 | 1.5 | 12.2 | 7.3 | 21.4 |
| Philadelphia | KPHL | 0.4 | 3.9 | 2.7 | 1.3 | 8.3 |
| Baltimore | KBWI | 1.4 | 2.9 | 0.5 | 3.2 | 8.0 |
| Washington, D.C. | KDCA | 0.2 | 0.9 | 0.4 | 1.6 | 3.1 |
| Richmond | KRIC | 0.0 | 3.2 | 0.0 | 5.4 | 8.6 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.61 | -0.28 | -0.13 | 0.10 |
| January | -0.70 | -0.59 | -0.42 | -0.06 |
| February | -0.32 | -0.45 | -0.40 | -0.15 |
| March | -0.38 | 0.04 | -0.14 | -0.18 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.92 | -0.40 | -0.22 | 0.16 |
| January | -0.66 | -0.67 | -0.54 | 0.00 |
| February | -0.65 | -0.57 | -0.51 | -0.09 |
| March | -0.60 | -0.08 | -0.21 | -0.25 |
| **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 | -0.68 | -0.23 | -0.11 | 0.23 |
| January | -0.52 | -0.57 | -0.41 | -0.02 |
| February | -0.41 | -0.46 | -0.40 | -0.04 |
| March | 0.07 | 0.07 | 0.07 | -0.24 |
| **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 | -0.25 | Nov/Dec/Jan | -0.21 |
| January | -0.53 | Dec/Jan/Feb | -0.43 |
| February | -0.51 | Jan/Feb/Mar | -0.43 |
| March | -0.25 | ||
| **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 | -0.05 | December | 0.46 | ||
| Jan/Feb | -0.07 | January | -0.13 | ||
| Feb/Mar | -0.14 | February | -0.04 | ||
| March | -1.11 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| -6.0 | -1.1 | -3.6 | 10.5 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | -1.31 | -0.48 | -0.9832 |
| January | -1.10 | -0.13 | -0.7538 |
| February | -1.42 | -0.43 | -0.9135 |
| March | -1.48 | -0.63 | -0.7881 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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