![]() Drought portal includes maps, raw data, and current information. Twenty-four hour totals are 3.00 to 6.00 once in 2 years and build up to 5.70 to 12.60 inches once in 100 years. Precipitation is critical to maintaining both drinking and irrigation water. The maximum 6-hour precipitation may be 2.00 to 3.00 inches as often as once in 2 years, increasing to 3.8 to 6.3 inches with a frequency of once in 100 years. The southernmost parts of Florida, Texas, California, and Arizona all have annual average temperatures of at least 70 degrees, but very different rainfall amounts: 10 inches or less in the Southwest versus more than 50 inches in Florida. 80 inch about once every 2 years, increasing to 1.10 inches to 2.00 inches once in 100 years. The greatest 1-hour rainfall is expected to amount to. for the State of Florida, including both land and lakes surfaces. (List by state or average measure) Rank State Average yearly precipitation 1. Snow and ice are melted and reported as inches of water. Precipitation values in the database are totals for each station for each month. Rainfall intensities also vary considerably across the County. Monthly, yearly and seasonal average rainfall totals available by time period and. DCRs Office of Water Resources maintains a precipitation database that incorporates information from observers across the state and cooperative agencies. Annual amounts generally range between 34 to 52 inches, while the majority of places receive 38. All other mosaics are now updated hourly, including the 48h and 72h maps. United States Monthly and Yearly Annual Mean Total Precipitation Climate Maps for the US Lower 48 States, with Mean Total Rainfall Presented Individually. Precipitation is fairly evenly distributed throughout the year. At the other extreme, in 1 season out of 10, on the average, the dry corner receives more than 30 inches of moisture, the interior 40-50 inches, and the mountain 100 to 110 inches of rainfall. Rainfall totals for the last 24 hours to 3 days high resolution map Data Update Cycle: The 1-hr mosaic is updated every 5 min (approx). In 1 season out of 10, on the average, the total ranges from near 10 inches in the dry, southeast corner to around 20 to 35 inches in the central area and to 40 to 50 inches in the mountains. This compares actual yearly precipitation totals with expected totals. In the mountains of the northwest portion totals increase to more than 70 inches at some points, and in the northeast they increase to more than 80 inches. States which experienced unusually high annual precipitation in a given year. The average seasonal precipitation ranges from less than 20 inches in the extreme southeast corner of the county through 30 and 40 inches over much of the central part of the County. ![]()
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