Significant Station Changes for the NWS Cooperative Network The Sig report is a listing of all significant changes that have been processed at the NCDC Archive Branch for the NWS cooperative network. This report is produced each month. The information provided includes identifiers, publication information, effective date of the change, and a brief description of the change. FIELD DESCRIPTION --------------------------------------------------------------------------------------------------------------------------------------------------- COOPID Assigned by the NCDC, first 2 digits represent state, next 2 digits represent the climate division, and the last 4 digits represent the station and are assigned numerically by an alphabetical ordering of the station name. STATION NAME Name of station, may contain characters, numbers, or symbols. PUB List of which publications, and which elements they contain, are available for the station. ******************See below for codes and values.*********************** EFF DATE NWS effective date for the change. CD DATE Date of Significant Change report. DESCRIPPTION Description of change or changes that have occurred at the station. ******************See below for codes and values.*********************** --------------------------------------------------------------------------------------------------------------------------------------------------- PUB Code/(elements published) Significant Change Codes CD = Cooperative Data publication (TD3200) A. Station status(Establish, reestablish, activate, inactivate, reactivate, close,start/stop publication). HPD = Hourly Precipitation Data publication (TD3240, TD3260) B. Addition/deletion of observation elements. N = Non-published C. Change in observation time. ELEMENTS D. Change in station name or coopid. T = Temperature E. Station relocations greater than 0.1 mile. P = Precipitation F. Change or relocation to equipment. E = Evaporation G. Special remarks about station identity or locations. S = Soil temperature H. Special remarks about data quality and availability. I. Other special remarks such as changes in observers. J. Change to reporting method or form type. ABBREVIATIONS TOB = Time of Observation SRG = Standard Rain Gage F&P = Fischer/Porter Recording Rain Gage UNIV = Universal Recording Rain Gage TB = Tipping Bucket Recording Rain Gage MXMN = Maximum/Minimum Thermometers MMTS = Electronic Temperature Sensor FPU = Fischer/Porter Upgrade REPORTING METHOD CODES A0 = RDP - WXCODER A1 = RDP - IVROCS