| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 5.5 | 4.7 | 22.3 | 0.2 | 32.7 |
| New York City | KNYC | 3.0 | 1.9 | 21.5 | 0.0 | 26.4 |
| Philadelphia | KPHL | 6.8 | 0.2 | 26.1 | 2.9 | 36.0 |
| Baltimore | KBWI | 7.2 | 1.2 | 27.2 | 0.0 | 35.6 |
| Washington, D.C. | KDCA | 6.6 | 0.0 | 21.0 | 0.0 | 27.6 |
| Richmond | KRIC | 7.9 | 0.1 | 21.4 | 0.0 | 29.4 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 3.20 | 3.07 | 2.33 | 0.66 |
| January | 2.73 | 2.90 | 2.43 | 0.76 |
| February | 2.03 | 2.44 | 2.22 | 0.73 |
| March | 2.34 | 2.01 | 1.69 | 0.52 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 3.09 | 2.88 | 2.24 | 0.61 |
| January | 2.67 | 2.99 | 2.34 | 0.47 |
| February | 2.11 | 2.30 | 1.95 | 0.42 |
| March | 2.30 | 1.73 | 1.43 | 0.35 |
| **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 | 3.34 | 3.25 | 2.64 | 0.66 |
| January | 2.96 | 3.29 | 2.79 | 0.70 |
| February | 2.02 | 2.55 | 2.41 | 0.69 |
| March | 2.16 | 1.96 | 1.81 | 0.57 |
| **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 | 2.28 | Nov/Dec/Jan | 2.23 |
| January | 2.32 | Dec/Jan/Feb | 2.18 |
| February | 1.94 | Jan/Feb/Mar | 1.92 |
| March | 1.49 | ||
| **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 | 2.677 | December | 2.38 | ||
| Jan/Feb | 2.931 | January | 2.76 | ||
| Feb/Mar | 3.008 | February | 3.08 | ||
| March | 2.50 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| -21.3 | -30.6 | -33.3 | -28.0 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | 0.16 | 0.26 | 0.2044 |
| January | 0.40 | 0.56 | 0.6598 |
| February | 0.97 | 1.14 | 1.2049 |
| March | 1.73 | 2.11 | 1.8122 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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