Selecting the data you would like to see from the Hydromet Data drop-down menu. Navigate LCRA’s Hydromet by: Zooming in on a specific area. For example, if the brown or below average category is greatest for any given day, then that indicates most of the state was observing below average precipitation. The Hydromet provides near-real-time data on streamflow, river stage, rainfall totals, temperature and humidity. It is calculated by counting the number of grid cells in each anomaly category (e.g. below or above average) each day and then dividing it by the total number of grid cells for Arizona. Higher values indicate a longer time period or break since at least light rainfall was observed.ĭaily change in precipitation anomaly coverage: This figure depicts the daily change in the coverage of different categories of precipitation anomalies or differences from average. A high value indicates that most of the total precipitation came in a small number of large or intense events.ĭays since 0.05" rain event: This map indicates the number of days since at least a precipitation amount of 0.05" was observed in each data grid cell. ( Seasonal Average Total Precipitation)ĭaily intensity index: This index is the simple ratio between the total precipitation over the time period and the number of days observing rain with units in ‘inches/day’. This site provides current rainfall totals for Ventura County and nearby counties.
100% is equal to average for the time period shown on the map. Percent of average precipitation: A measure of the difference from expected precipitation over the period of 6/15 to present calculated against a long-term mean.
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