Read more about the datasets and view data samples. So far in this decade (2011-2019, with one more year to go), 52 sites have averaged above-normal precipitation and 18 below-normal precipitation relative to the 1981-2010 POR baseline. Annual precipitation in the United States 2022, by state Published by Erick Burgueño Salas Erick Burgueño Salas Research expert covering mobility and logistics Get in touch with us now, Apr 17. Click here to learn more about the differences between IMERG Early, Late and Final. Records of observations including details such as precipitation, wind, snowfall, and radar data. The driest multiyear periods occurred during the 1910s, 1930s, and 1950s and the wettest during the 1940s, 1990s, and since 2015. These other inputs are only made available several days, or in some cases, several months, after the satellite observations are taken, and the production data sets are computed after all data have arrived, making possible a more careful analysis.įor the GPM IMERG dataset, IMERG Early and Late Runs are the near real-time products, while IMERG Final Run is the research / production product. Throughout the period of record (18952020), total annual precipitation has ranged from a low of 15.3 inches in 1956 to a high of 40.6 inches in 1951 and has generally been above average since 1985 (Figure 3c). The bulk of this precipitation occurs in just three months - December, January, and February - when California tends to get a small number of large winter storms called atmospheric rivers. County data analyses currently consist of maps and time series graphs of average temperature, maximum and minimum temperature, and precipitation. For all other applications, production data products are generally the best data sets to use because additional or improved inputs are used to increase accuracy. On average, 75 percent of California's annual precipitation made up of rain, snow, and hail falls from November through March. GPM near real-time (GMI & DPR) products are generally available within a few hours of observation. In addition, New York recorded its 15th wettest year. All of this precipitation has fallen in a state that normally gets between 30 inches and 35 inches of. GPM data products can be divided into two groups (near real-time and production) depending on how soon they are created after the satellite collects the observations. For applications such as weather, flood, and crop forecasting that need precipitation estimates as soon as possible, near real-time data products are most appropriate. United States Monthly and Yearly Annual Mean Total Precipitation Climate Maps for the US Lower 48 States, with Mean Total Rainfall Presented Individually. Overall, annual precipitation for the states ranged from 86 percent of normal in Maine to 113 percent of normal in Massachusetts, its ninth wettest year on record. Some large areas of Michigan are way ahead of normal on precipitation amounts for 2023.
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