Precipitation totals 20129/4/2023 ![]() ![]() Mean number of days with precipitation (1. SPI values are calculated monthly using data from the precipitation database. ![]() The SPI reflects precipitation conditions. Mean number of days with precipitation (0.1 mm or more) The Standardized Precipitation Index (SPI) is one of seven indices used by the Massachusetts Drought Management Task Force to determine the level of drought severity. Each line in the text-file shows one year: Average temperature for each of the 12 months and then the annual average at the end of each line, in a column marked "arid".ģ0 years average 1961-1990 for selected stations The files above are text files, showing average temperature ("medalhiti"). Maximum 24-hour precipiation (measured at 9 am) month/yearĭate of 24-hr maximum precipitation month/year Please note the daily rain gauge measurement. Snowfall totals ranged from less than 1 inch to more than 18 inches. As a whole, the total precipitation in the plain areas (558.8 mm) was slightly higher than that in the mountainous areas (533.0 mm), while the precipitation in. BWSC reports rainfall data as far back as 1999, depending on the year of installation for the various gauges. Temperature is given in degrees Celsius (☌), air pressure in hPa (1 hPa = 1mb), humidity in percentages, precipitation in millimeters and windspeed in m/s. Precipitation from Sandy ranged from less than 1 inch to more than 8 inches. Non available information is tagged with NA.Īverages provided are either monthly or annual averages. Below flips the analysis and shows what water year total precipitation percentage has a 50 (and other exceedances) chance of being equaled or exceeded this year. First select a weather station, then text-files will appear. These preliminary observed rainfall graphics are automatically updated every 6 hours to show the latest 6-, 12-, 18-, and 24-hour rainfall totals for standard periods. More information about the quality of real-time data is available. Only (aggregated) monthly precipitation totals from the GHCN dataset (e.g., Menne et al., 2012) were used as input data. Some data collected during cold weather may be affected by snow, and errors in water-equivalent values may result. monthly- and annual values of various weather components since 1961. Missing values are not included in the precipitation totals therefore, the totals shown may be less than the actual amounts. The absolute error of precipitation decreased and yet the ability of detecting rain events be- came weak with the increasing altitude, while the effect of average annual precipitation on data accuracy was opposite.Through the links below, climatological information is available, i.e. Moreover, altitude and average annual precipitation had impacts on data accuracy. ![]() It showed good performance for detecting the occurrence of rain events with equitable threat score (ETS) of 0.23, but slightly overestimated the frequency of rainy events. Error of 3B42 increased with the increasing timescale, and mean error and mean absolute error of daily precipitation were just -0.06 and 0.88 mm, respectively. The result of overall accuracy evaluation indicated that there was overestimation of the amount of precipitation by 3B42 at daily, monthly and annual timescales. Based on 3B42 V7 product and data obtained from 53 weather stations in the period of 1998-2012 over Inner Mongolia, the paper evaluated the accuracy of 3B42 and revealed the spatial distribution of accuracy evaluation indices and its influencing factors. The future precipitation totals were calculated on the basis of five regional climate models (CNRMALADIN, EC-EARTH, EC-EARTHRACMO. At present, there is still limited knowledge of accuracy and error structure of new version 3B42 V7, especially the lack of evaluating its accuracy in regions of mid-high latitudes, which restricts its application in the field of ecology, climate and hydrology. TRMM 3B42 (3B42), as one of important precipitation products, is a key forcing factor for ecological, climate and hydrological models with its sufficient spatial and temporal scales. Satellite-based precipitation product plays a significant role in analyzing spatial pattern of precipitation.
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |