| Snowfall Totals | ||||||
|---|---|---|---|---|---|---|
| City | Station | December | January | February | March | Season Total |
| Boston | KBOS | 0.8 | 16.8 | 7.4 | 11.4 | 36.4 |
| New York City | KNYC | 2.0 | 4.5 | 1.7 | 4.5 | 12.7 |
| Philadelphia | KPHL | 2.0 | 4.9 | 0.7 | 4.9 | 12.5 |
| Baltimore | KBWI | 3.0 | 4.0 | 0.6 | 7.6 | 15.2 |
| Washington, D.C. | KDCA | 0.5 | 2.2 | 0.2 | 8.7 | 11.6 |
| Richmond | KRIC | 0.8 | Missing | 0.5 | 1.1 | 2.4 |
| NAO | PNA | AO |
|---|---|---|
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| Monthly Index Values(HADISST) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.14 | -1.00 | -1.51 | -1.24 |
| January | -0.23 | -0.97 | -1.53 | -1.50 |
| February | 0.05 | -0.77 | =-1.41 | -1.43 |
| March | 0.29 | -0.37 | -0.92 | -1.02 |
| HADISST values removed 1981-2010 base period | ||||
| Monthly Index Values(ERSST.v5) | ||||
|---|---|---|---|---|
| Month | Nino 1+2 | Nino 3 | Nino 3.4 | Nino 4 |
| December | -0.25 | -1.07 | -1.65 | -1.38 |
| January | -0.76 | -1.26 | -1.70 | -1.60 |
| February | -0.46 | -0.88 | -1.31 | -1.54 |
| March | 0.03 | -0.47 | -0.91 | -1.23 |
| **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 | -0.23 | -1.28 | -1.78 | -1.38 |
| January | -0.73 | -1.22 | -1.67 | -1.71 |
| February | -0.43 | -0.80 | -1.31 | -1.58 |
| March | 0.10 | -0.47 | -0.97 | -1.29 |
| **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 | -1.64 | Nov/Dec/Jan | -1.57 |
| January | -1.69 | Dec/Jan/Feb | -1.55 |
| February | -1.31 | Jan/Feb/Mar | -1.30 |
| 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 | Month | BEST | ||
| Dec/Jan | -1.039 | December | -1.52 | ||
| Jan/Feb | -1.123 | January | -1.70 | ||
| Feb/Mar | -0.95 | February | -1.22 | ||
| March | -1.04 | ||||
| Monthly SOI Index | |||
|---|---|---|---|
| December | January | February | March |
| 13.3 | 15.6 | 8.6 | 8.9 |
| Monthly Index Values | |||
|---|---|---|---|
| NOAA-NCEI | UW-JISAO | JMA-TCC | |
| December | -1.09 | -0.44 | -0.5223 |
| January | -0.78 | -0.32 | -0.2757 |
| February | -1.06 | -0.66 | -0.6509 |
| March | -1.18 | -0.33 | -0.5259 |
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| Monthly Precipitation | |||
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