(Click to Enlarge), Figure 6: Map of the normal annual snowfall (in inches) for Oklahoma using data from 1981 to 2010. (Click to Enlarge). (Data Access.

NOAA's 1981-2010 Climate Normals. But it never lasts more than a couple of days, and it may go back to 60. Please select one of the following: National Oceanic and Atmospheric Administration. To find out how often it rises over 80, 90 or 100 °F each month in Tulsa, scroll down farther. The agricultural impact of drought is increasingly mitigated on a farm-by-farm and year-by-year basis through irrigation of crops, mostly with groundwater. The Ouachita Mountains dominate southeast Oklahoma, with peaks rising as much as 2,000 feet above their base. Even measurements of mundane variables such as temperature have become more common, with automated weather stations taking more measurements per day at more locations than in past decades. The snowfall totals are annual averages based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center. Autumn freezes have occurred as early as about September 15 in the western third of the state to about October 15 in the southeast corner. The dominant feature of the spatial distribution of rainfall across Oklahoma is a sharp decrease in rainfall from east to west (Figure 4).

The least annual rainfall occurred during 1956, when Regnier, in the extreme northwestern panhandle, observed 6.53 inches. National Climatic Data Center. (Click to Enlarge). The Survey maintains an extensive array of climatological information, operates the Oklahoma Mesonet, and hosts a wide variety of educational outreach and scientific research projects. The drought of the 1930s is associated with the Dust Bowl of the Great Plains, when socioeconomic conditions, agricultural practices and drought forced the largest emigration of Oklahomans in state history. Global Summary of the Month and Year, Version 1.0. With 30-40 days at or above 100 deg F, western Oklahoma experiences more extreme summer temperatures than elsewhere in the state. With 30-40 days at or above 100 deg F, western Oklahoma experiences more extreme summer temperatures than elsewhere in the state. Based on weather reports collected during 1985–2015. Its occurrence is rather infrequent, of very limited depth, and of brief duration. If you are aiming for a dealership, then you … The two main rivers in the state are the Arkansas River, draining the northern two-thirds of the state, and the Red River, which drains the southern third and is the state's southern border. Tulsa was originally part of Indian Territory and was first settled by the Lochapoka and Creek tribes in 1836.

The value generally decreases to about 195 days in the eastern panhandle, then more rapidly to 175 days in the western panhandle. The Oklahoma Climatological Survey was established by the State Legislature in 1980 to provide climatological services to the people of Oklahoma.
Helpful Links and Phone Numbers. The average high and low temperatures are listed below monthly and annually for the city, in both degrees Fahrenheit and Celsius. The frequency of days with measurable precipitation follows the same gradient as the annual accumulation, increasing from 45 days per year in western Oklahoma to 115 near the Arkansas border. In addition, Tishomingo observed 120°F on July 26, 1943. Rainfall is the dominant precipitation type during winter for all but the Oklahoma panhandle. Normally three nights a year see temperatures down to 10 °F. Home | Privacy & Cookies | Contact | About. About |


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