| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 15.2 | 13.2 | 7.0 | 0.2 | 35.6 |
| New York City | KNYC | 12.4 | 2.1 | 36.9 | 0.0 | 51.4 |
| Philadelphia | KPHL | 24.1 | 3.1 | 51.5 | 0.0 | 78.7 |
| Baltimore | KBWI | 20.1 | 6.9 | 50.0 | 0.0 | 77.0 |
| Washington, D.C. | KDCA | 16.6 | 7.4 | 32.1 | 0.0 | 56.1 |
| Richmond | KRIC | 7.4 | 10.4 | 9.8 | 0.4 | 28.0 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 0.49 | 1.47 | 1.81 | 1.31 |
| January | 0.36 | 1.10 | 1.43 | 1.21 |
| February | 0.04 | 0.79 | 1.18 | 0.95 |
| March | -0.04 | 0.61 | 1.07 | 0.90 |
| 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 | 1.35 | 1.78 | 1.28 |
| January | 0.30 | 1.06 | 1.51 | 1.20 |
| February | 0.20 | 0.88 | 1.26 | 0.98 |
| March | 0.14 | 0.60 | 0.95 | 0.86 |
| **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 | 0.35 | 1.53 | 1.72 | 1.18 |
| January | 0.30 | 1.00 | 1.50 | 1.21 |
| February | -0.06 | 0.75 | 1.22 | 1.00 |
| March | -0.40 | 0.60 | 1.08 | 1.02 |
| **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 | 1.73 | Nov/Dec/Jan | 1.56 |
| January | 1.51 | Dec/Jan/Feb | 1.50 |
| February | 1.25 | Jan/Feb/Mar | 1.22 |
| March | 0.90 | ||
| **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-V1 | MEI-V2 | Month | BEST | |
| Dec/Jan | 1.066 | 0.93 | December | 1.73 | |
| Jan/Feb | 1.526 | 1.28 | January | 1.62 | |
| Feb/Mar | 1.462 | 1.31 | February | 1.94 | |
| March | 1.21 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| -7.0 | -10.1 | -14.5 | -10.6 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | -0.51 | 0.08 | -0.2541 |
| January | 0.05 | 0.83 | 0.5486 |
| February | 0.25 | 0.82 | 0.5565 |
| March | -0.16 | 0.44 | 0.2453 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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