Portland IAP, Portland, Oregon. Revised Uniform Summary of Surface Weather Observations (RUSSWO). Parts A-F

This report is a six-part statistical summary of surface weather observations for Portland, Oregon. It contains the following parts A Weather conditions, Atmospheric Phenomena, B Precipitation, Snowfall and Snow Depth daily amounts, and extreme values, C Surface winds, D Ceiling versus visibility Sky cover E Psychrometric Summaries daily maximum and minimum temperatures, extreme maximum and minimum temperatures, psychrometric summary of wet-bulb temperature depression versus dry-bulb temperature, means and standard deviations of dry-bulb, wet-bulb and dew point temperatures and relative humidity, and FPressure summary Means, standard deviations, and observation counts of station pressure and sea-level pressure. Data in this report are presented in tabular form, in most cases in percentage frequency of occurrence or cumulative percentage frequency of occuring tables.