![]() The basin index is calculated as the sum of the valid current values divided by the sum of the corresponding medians or averages and the resulting fraction multiplied by 100. * Basin - More than half of the stations for a basin with normals report missing or invalid data. ![]() * Site - Either: (a) the current value is missing (b) the median or average for the day is not available or is zero or (c) for snow water equivalent, the median or average for the day is less than 10% of the maximum median or average value for the year. For storm related information, please see our Event Summaries page or the Storm Events. Final and certified climate data can be accessed at the National Centers for Environmental Information (NCEI) at. ![]() Medians and averages are calculated for the period 1991-2020. These data are preliminary and have not undergone final quality control therefore, these data are subject to revision. The WATER YEAR-TO-DATE-PRECIPITATION represents total precipitation since October 1st, expressed in inches.Ĭontact your state water supply staff for assistance. Snowpack were melted, expressed in inches. The SNOW WATER EQUIVALENT represents the depth of water in the snowpack, if the If the Basin Index (%) percent value is flagged as potentially invalid,Ĭare should be taken to evaluate if the value is representative Sites with less than 10 years available do not have medians or averages. (#) = If less than 30 years are available, this value specifies the number of years used for the median and average calculations. * = Analysis may not provide a valid measure of conditions. No quality control has been performed on this data. **Provisional data, subject to revision**ĭata based on the first reading of the day (typically 00:00) for Sunday, September 10, 2023 This is an automatically generated product providing a summary of rain gauge reports. Oregon SNOTEL Snow/Precipitation Update Reportīased on Mountain Data from NRCS SNOTEL Sites
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