| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 21.5 | 4.9 | 2.4 | 10.6 | 39.4 |
| New York City | KNYC | 19.8 | 17.3 | 0.7 | 4.8 | 42.6 |
| Philadelphia | KPHL | 6.0 | 7.6 | 0.4 | 3.7 | 17.7 |
| Baltimore | KBWI | 9.6 | 8.4 | 0.1 | 0.2 | 18.3 |
| Washington, D.C. | KDCA | 6.2 | 6.2 | 0.0 | 0.0 | 12.4 |
| Richmond | KRIC | 0.0 | 4.9 | 1.4 | 0.0 | 6.3 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 0.31 | 0.53 | 0.32 | 0.41 |
| January | -0.03 | 0.43 | 0.26 | 0.40 |
| February | -0.20 | 0.14 | 0.17 | 0.32 |
| March | -0.34 | -0.06 | -0.10 | 0.08 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 0.15 | 0.80 | 0.47 | 0.53 |
| January | -0.19 | 0.41 | 0.26 | 0.51 |
| February | 0.02 | 0.29 | 0.24 | 0.47 |
| March | -0.67 | 0.18 | 0.17 | 0.22 |
| **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 | 0.20 | 0.42 | 0.32 | 0.53 |
| January | 0.14 | 0.29 | 0.17 | 0.53 |
| February | -0.26 | 0.09 | 0.14 | 0.49 |
| March | -0.58 | 0.02 | -0.12 | 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 | 0.38 | Nov/Dec/Jan | 0.35 |
| January | 0.38 | Dec/Jan/Feb | 0.37 |
| February | 0.34 | Jan/Feb/Mar | 0.31 |
| March | 0.21 | ||
| **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 | 0.332 | December | -0.28 | ||
| Jan/Feb | 0.370 | January | 0.88 | ||
| Feb/Mar | -0.036 | February | -0.48 | ||
| March | 0.00 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| 9.3 | -11.6 | 9.1 | 0.2 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | -0.60 | 0.33 | -0.2561 |
| January | -0.55 | 0.43 | 0.0854 |
| February | -0.21 | 0.48 | 0.0851 |
| March | -0.15 | 0.61 | 0.4634 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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