| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 3.4 | 24.3 | 3.7 | 3.5 | 34.9 |
| New York City | KNYC | 0.6 | 13.6 | 7.0 | 1.9 | 23.1 |
| Philadelphia | KPHL | 0.4 | 15.2 | 10.1 | 0.0 | 25.7 |
| Baltimore | KBWI | 0.0 | 25.1 | 10.1 | 0.0 | 35.2 |
| Washington, D.C. | KDCA | 0.0 | 20.8 | 10.3 | 0.0 | 31.1 |
| Richmond | KRIC | 0.0 | 15.8 | 5.3 | 0.7 | 21.8 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 0.53 | 0.74 | 0.98 | 0.58 |
| January | 0.77 | 1.04 | 1.19 | 0.60 |
| February | 1.02 | 0.98 | 1.17 | 0.80 |
| March | 1.15 | 1.05 | 1.24 | 0.86 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 0.53 | 0.95 | 1.16 | 0.42 |
| January | 1.01 | 1.01 | 1.13 | 0.38 |
| February | 1.05 | 1.14 | 1.14 | 0.60 |
| March | 1.51 | 1.04 | 1.03 | 0.59 |
| **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 | 0.21 | 0.72 | 1.13 | 0.70 |
| January | 0.84 | 1.06 | 1.34 | 0.72 |
| February | 1.07 | 1.05 | 1.30 | 0.83 |
| March | 1.49 | 1.06 | 1.25 | 0.85 |
| **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 | 1.24 | Nov/Dec/Jan | 1.22 |
| January | 1.22 | Dec/Jan/Feb | 1.23 |
| February | 1.23 | Jan/Feb/Mar | 1.19 |
| March | 1.13 | ||
| **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 | 1.249 | December | 1.31 | ||
| Jan/Feb | 1.218 | January | 0.99 | ||
| Feb/Mar | 1.716 | February | 1.42 | ||
| March | 1.71 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| -13.6 | -6.3 | -12.6 | -16.6 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | 1.71 | 1.77 | 1.7792 |
| January | 1.47 | 1.88 | 1.6958 |
| February | 1.46 | 1.75 | 1.7022 |
| March | 1.35 | 2.10 | 1.5495 |
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OISST.v2.1 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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