| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 7.2 | 43.3 | 17.7 | 14.5 | 82.7 |
| New York City | KNYC | 3.0 | 15.3 | 15.8 | 6.9 | 41.0 |
| Philadelphia | KPHL | 0.4 | 15.6 | 12.9 | 1.5 | 30.4 |
| Baltimore | KBWI | 0.0 | 7.6 | 10.0 | 0.4 | 18.0 |
| Washington, D.C. | KDCA | 0.1 | 6.4 | 5.2 | 0.8 | 12.5 |
| Richmond | KRIC | 1.3 | 2.1 | 2.0 | 0.3 | 5.7 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 0.27 | 0.54 | 0.71 | 0.75 |
| January | 0.03 | 0.28 | 0.56 | 0.82 |
| February | -0.61 | -0.11 | 0.26 | 0.60 |
| March | -1.15 | -0.16 | 0.28 | 0.51 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | 0.29 | 0.71 | 0.78 | 0.97 |
| January | 0.00 | 0.32 | 0.66 | 0.96 |
| February | -0.86 | -0.10 | 0.37 | 0.77 |
| March | -1.39 | -0.02 | 0.49 | 0.73 |
| **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 | 0.15 | 0.63 | 0.74 | 0.91 |
| January | 0.01 | 0.26 | 0.53 | 0.91 |
| February | -0.58 | -0.17 | 0.24 | 0.73 |
| March | -0.92 | -0.13 | 0.33 | 0.72 |
| **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 | 0.69 | Nov/Dec/Jan | 0.69 |
| January | 0.76 | Dec/Jan/Feb | 0.64 |
| February | 0.46 | Jan/Feb/Mar | 0.58 |
| March | 0.53 | ||
| **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 | 0.325 | December | 0.95 | ||
| Jan/Feb | 0.816 | January | 0.20 | ||
| Feb/Mar | 1.057 | February | 2.23 | ||
| March | 0.33 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| -8.0 | 1.8 | -28.6 | 0.2 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | -0.64 | -0.17 | -0.4884 |
| January | -0.15 | 0.44 | 0.2237 |
| February | -0.01 | 0.81 | 0.5461 |
| March | 0.70 | 1.36 | 0.9934 |
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| Monthly Temperature | |||
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| Monthly Precipitation | |||
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