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

摘要

This report is a six part statistical summary of surface weather observations for Duluth IAP and Williamson-Johnson MAP, Duluth, Minnesota. 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 (F)Pressure 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 occurring tables.