Winter Season Analysis Since 1950

This page provides a variety of weather information to analyze each of the winter seasons since 1950. The months included are December to March. The following data is analyzed:

• Monthly and Seasonal Snowfall for cites along the East Coast of the United States from Richmond to Boston
• Teleconnection indicies - NAO, PNA, AO, ENSO, SOI, PDO and MJO
• Temperature and Precipitation Anomalies
• SST Anomlies in the ENSO/PDO Regions
• 500mb Anomaly Reanalysis Maps

Referernces for the data

• Snowfall
• Richmond - NWS Wakefield Climate Page
• Washington, D.C. - NWS Washington/Baltimore Climate Page
• Philadelphia- NWS Mount Holly Climate Page
• New York City - NWS Upton Climate Page
• Boston - NWS Boston Climate Page


• Teleconnection Indicies
• North Atlantic Oscillation - Daily/Monthly Values - Climate Prediction Center
• Pacific-North American Pattern - Daily/Monthly Values - Climate Prediction Center
• Arctic Oscillation - Daily/Monthy Values - Climate Prediction Center
• El-Nino Southern Oscillation
• All Region Nino Index Values
• HADISST Region Monthly Values(remove 1981-2010 base periods) - NOAA PSL
• ERSSTv5 Montly Values (using 1981-2010 base period)- Climate Prediction Center
• Nino 3.4 Index Values
• HADISST Monthly Values (remove 1981-2010 base periods) - NOAA PSL
• ERSSTv5 Monthly Values (using 1981-2010 base period) - Climate Prediction Center
• ERSSTv5 using Centered Base Periods - Climate Prediction Center
• Multivariate ENSO Index (Old Version) - Bi-Monthly Values 1950-2018 - NOAA PSL
• Multivariate ENSO Index (New Version) - Bi-Monthly Values 1979-Present - NOAA PSL
• Oceanic-Nino Index using ERSSTv5 and Centered Base Periods - Climate Prediction Center
• Southern Oscillation Index Monthly Values - Australia Bureau of Metorology
• Pacific Decadal Oscillation
• Monthly Index Values from NOAA/NCEI
• Monthly Index Values from UW-JISAO
• Monthly Index Values from JMA-JCC


• ENSO/PDO Region SST Anomalies - Climate Reanalyzer Monthly Maps Page - Univ. Of Maine
• MJO Phase Archived Maps- Australia Bureau of Meteorology
• 500mb Reanalysis- NOAA PSL FACTS Page
• Temperature/Precipitation Anomalies- NOAA PSL Climate Division Maps
• Precipitation Anomalies - Climate Reanalyzer - Univ. Of Maine