| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 0.9 | 9.5 | 15.0 | 4.1 | 29.5 |
| New York City | KNYC | 0.0 | 27.9 | 4.0 | 0.9 | 32.8 |
| Philadelphia | KPHL | 0.0 | 22.9 | 3.3 | 1.0 | 27.2 |
| Baltimore | KBWI | 0.0 | 30.0 | 2.6 | 2.5 | 35.1 |
| Washington, D.C. | KDCA | 0.0 | 18.8 | 3.1 | 0.3 | 22.2 |
| Richmond | KRIC | 0.0 | 12.1 | 1.8 | 1.2 | 15.1 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 2.09 | 2.65 | 2.56 | 1.51 |
| January | 1.82 | 2.64 | 2.56 | 1.33 |
| February | 1.09 | 1.90 | 2.11 | 1.30 |
| March | 1.10 | 1.52 | 1.60 | 1.15 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 2.14 | 2.87 | 2.70 | 1.47 |
| January | 1.81 | 2.59 | 2.56 | 1.30 |
| February | 1.38 | 1.97 | 2.27 | 1.31 |
| March | 1.42 | 1.58 | 1.67 | 1.19 |
| **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 | 2.19 | 2.85 | 2.82 | 1.63 |
| January | 1.41 | 2.58 | 2.60 | 1.35 |
| February | 0.67 | 1.99 | 2.40 | 1.45 |
| March | 0.93 | 1.57 | 1.68 | 1.34 |
| **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 | 2.65 | Nov/Dec/Jan | 2.64 |
| January | 2.56 | Dec/Jan/Feb | 2.48 |
| February | 2.24 | Jan/Feb/Mar | 2.14 |
| March | 1.61 | ||
| **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 | 1.94 | December | 1.91 | ||
| Jan/Feb | 1.81 | January | 2.96 | ||
| Feb/Mar | 1.31 | February | 3.05 | ||
| March | 1.23 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| -9.1 | -19.7 | -19.7 | -4.7 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | 0.27 | 1.01 | 0.6906 |
| January | 0.74 | 1.53 | 1.2965 |
| February | 1.30 | 1.75 | 1.8059 |
| March | 1.57 | 2.40 | 2.1924 |
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OISST.v2.1 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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