![]() The SNOTEL network is maintained by the USDA Natural Resources Conservation Service Snow Survey and Water Supply Forecasting Program. A standard SNOTEL station provides snow water equivalent, snow depth, precipitation, and temperature data. SNOTEL (SNOw TELemetry): An automated near real-time data collection network that provides mid to high elevation hydroclimatic data from mountainous regions of the western United States.This is not necessarily an all-season record. A “near record high” means that the current value is exceeded or tied by only one other value on record. Record: A “new record high” means that the current value is now the highest value on record.0% means that all other years are greater than or equal to the present value. 100% means that all other years are less than the present value. The ranking percentile is equal to the fraction of available years whose value is less than the current year’s value. Percentile: Ranking with respect to data on the same day of the year for other years in the period of record.Percent of Median Peak: The current value as % of the normal seasonal peak for the year. South Carolina Cumulative Rainfall Map with National Weather Service Radar Overlay Precipitation gage data retrieved from NWISWeb: J08:01 EDT NWS radar overlays for 1-12 hours are generated once an hour at the end of the hour.Percent of Median: The current value as percent of the current date’s normal.Snow Water Equivalent (SWE): The liquid water equivalent of the snowpack, expressed in terms of depth. ![]() Interactive Map, Current | 1-Day Change | 3-Day Change | 7-Day Change Snow Density: SNOTEL Interactive Map, Percentile | Records Snow Depth: SNOTEL Regional Point Map, Percent of Median, 1st of Month by Region:Īlaska | Arkansas, Colorado, Rio Grande Basins | Columbia Basin | Great Basin, California | Missouri Basin Snow Water Equivalent: SNOTELīasin Filled Map, Percent of Median, Current, PDF Format Westwide Point Map, Percent of Median, 1st of Month Snowpack Maps Snow Water Equivalent: SNOTEL and Snow Course
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