| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 6.2 | 7.0 | 16.9 | 4.1 | 34.2 |
| New York City | KNYC | 1.4 | 1.8 | 1.8 | 3.1 | 8.1 |
| Philadelphia | KPHL | 5.3 | 1.4 | 0.9 | 2.4 | 10.0 |
| Baltimore | KBWI | 10.2 | 0.5 | 0.0 | 2.7 | 13.4 |
| Washington, D.C. | KDCA | 9.0 | 0.2 | 0.0 | 2.4 | 11.6 |
| Richmond | KRIC | 9.9 | 0.0 | 0.0 | 0.0 | 9.9 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.43 | -0.36 | -0.13 | 0.10 |
| January | -0.33 | -0.27 | 0.02 | 0.23 |
| February | -0.27 | 0.14 | 0.36 | 0.43 |
| March | -0.41 | -0.12 | 0.20 | 0.45 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.47 | -0.35 | -0.10 | -0.02 |
| January | -0.46 | -0.30 | 0.01 | 0.24 |
| February | -0.08 | 0.01 | 0.22 | 0.48 |
| March | -0.37 | -0.24 | 0.09 | 0.43 |
| **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 | -0.60 | -0.43 | -0.19 | 0.03 |
| January | -0.44 | -0.29 | -0.02 | 0.26 |
| February | -0.19 | 0.00 | 0.23 | 0.52 |
| March | -0.36 | -0.11 | 0.24 | 0.59 |
| **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 | -0.01 | Nov/Dec/Jan | -0.05 |
| January | 0.11 | Dec/Jan/Feb | 0.14 |
| February | 0.31 | Jan/Feb/Mar | 0.21 |
| March | 0.20 | ||
| **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 | 0.243 | December | 0.27 | ||
| Jan/Feb | 0.573 | January | 0.15 | ||
| Feb/Mar | 0.951 | February | 1.12 | ||
| March | 0.61 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| -5.0 | -1.1 | -17.3 | -8.5 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | -0.10 | -0.21 | 0.1934 |
| January | -0.42 | -0.30 | -0.0563 |
| February | -1.28 | -0.65 | -0.7733 |
| March | -1.24 | -0.62 | -0.5834 |
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OISST.v2.1 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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