| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 1.2 | 11.7 | 2.8 | 3.4 | 19.1 |
| New York City | KNYC | 7.2 | 8.4 | 9.1 | 0.2 | 24.9 |
| Philadelphia | KPHL | 6.4 | 6.5 | 1.0 | 0.7 | 14.6 |
| Baltimore | KBWI | 4.8 | 4.2 | 0.1 | 0.3 | 9.4 |
| Washington, D.C. | KDCA | 3.0 | 4.8 | 0.3 | 0.0 | 8.1 |
| Richmond | KRIC | 0.0 | 0.0 | 1.9 | 0.0 | 1.9 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.44 | -0.03 | 0.32 | 0.64 |
| January | -0.09 | 0.18 | 0.51 | 0.66 |
| February | -0.10 | 0.03 | 0.32 | 0.60 |
| March | 0.00 | 0.00 | 0.10 | 0.43 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.57 | -0.05 | 0.39 | 0.75 |
| January | -0.52 | 0.12 | 0.48 | 0.66 |
| February | -0.30 | 0.00 | 0.33 | 0.63 |
| March | -0.14 | -0.11 | 0.08 | 0.46 |
| **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 | -0.34 | -0.06 | 0.34 | 0.65 |
| January | -0.60 | 0.02 | 0.44 | 0.70 |
| February | -0.10 | -0.10 | 0.21 | 0.63 |
| March | -0.01 | -0.15 | 0.03 | 0.45 |
| **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 | 0.48 | Nov/Dec/Jan | 0.41 |
| January | 0.45 | Dec/Jan/Feb | 0.41 |
| February | 0.29 | Jan/Feb/Mar | 0.26 |
| March | 0.05 | ||
| **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 | 0.319 | December | 0.40 | ||
| Jan/Feb | 0.323 | January | 0.12 | ||
| Feb/Mar | 0.399 | February | 0.23 | ||
| March | 0.64 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| -2.4 | 5.1 | 0.6 | -10.6 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | -2.22 | -2.23 | -1.6505 |
| January | -1.80 | -2.02 | -1.3272 |
| February | -1.09 | -1.19 | -0.5858 |
| March | -1.11 | -0.74 | -0.5605 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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