![]() Has ranged from a low of 26.8 inches in 1963 to a high of 56.0 inches in 2011. Year and the southern part of the state averaging 42 inches each year. Data: (a, b) GHCN-Daily from 20 long-term stations (c, d, e) nClimDiv.Īnnual precipitation varies regionally, with the northwestern part of the state averaging 32 inches each The number of very cold nights has generally been near toīelow average since 1990, following overall winter warming, except for very high values in 20.īoth annual and seasonal (winter and summer) precipitation amounts have been above the long-term average sinceġ990. ![]() The number of very hot days hasīeen below the long-term average since the mid-1950s. The horizontal black lines show the long-term (entire period) averages: ![]() (d) total winter (December–February) precipitation, and (e) total summer (June–August) precipitation for Ohioįrom (a, b) 1900 to 2020 and (c, d, e) 1895 to 2020. (b) annual number of very cold nights (minimum temperature of 0☏ or lower), (c) total annual precipitation, (Figure 2b).įigure 2: Observed (a) annual number of very hot days (maximum temperature of 95☏ or higher), Pattern dominated winter weather in the eastern U.S. While Ohio generally experienced a near to below average number of veryĬold nights between 19, very high values occurred in 20, when the so-called “polar vortex” Although both cities also experienced a higher frequency of warm nights in the 1930s, this was mostlyĭue to extreme high daytime temperatures. Since 2000, Cleveland and Columbus have averaged 17Īnd 22 warm nights, respectively, per year, compared to an average of 8 and 9 nights, respectively, in the 1950s Significant increases in the number of warm nights since 1950. Both Cleveland and Columbus have experienced statistically Increase in the number of warm nights (Figure 3). However, in addition to the overall higher summer average nighttime temperatures, the state has experienced an This lack of summer warming is reflected in a below average occurrence of very hot days (Figure 2a). Summer days have not warmed substantially in the state, a feature characteristic of much of The second hottest year was 2012, with an average temperature of 54.0☏. Observations through 2020, 1998 was the hottest year on record, with an annual average temperature for the state ofĥ4.1☏. Since the 1970s, annual average temperature has risen more than 2☏. The 1930s through the mid-1950s were generally above the long-term average but were followed by the coldest The 2000s and 2010s were warmer than in any other historical period (Figure 1). Since the beginning of the 20th century, temperatures in Ohio have risen more than 1.5☏, and temperatures in Less warming is expected under a lower emissions future (the coldest end-of-century projections being about 3☏ warmer than the historical average green shading) and more warming under a higher emissions future (the hottest end-of-century projections being about 11☏ warmer than the hottest year in the historical record red shading). Historically unprecedented warming is projected to continue through this century. Observed temperatures are generally within the envelope of model simulations of the historical period (gray shading). Shading indicates the range of annual temperatures from the set of models. Temperatures in Ohio (orange line) have risen more than 1.5☏ since the beginning of the 20th century. Projected changes for 2006–2100 are from global climate models for two possible futures: one in which greenhouse gas emissions continue to increase (higher emissions) and another in which greenhouse gas emissions increase at a slower rate (lower emissions). Lowest Pressure 998.Figure 1: Observed and projected changes (compared to the 1901–1960 average) in near-surface air temperature for Ohio.Highest Pressure 1033.9 hPa South Hill, Mecklenburg-Brunswick Regional Airport, VA.Least Humid 1% Yuma Municipal Airport, CO.Most Humid 100% Clarks Point Airport, AK.Wettest (Last Hour) 0.2in Saipan Island, Saipan International Airport, AK.Windiest 34.4mph Cape Romanzof, Cape Romanzof LRRS Airport, AK.Coldest 6.7 ☏ Prospect Creek, Prospect Creek Airport, AK.Hottest 89.5 ☏ Kaneohe, Marine Corps Air Station, HI.Recorded at John Glenn Columbus International Airport Updated 39 mins ago (6.9 miles away) Get an account to remove ads View More Real-Time Extremes Nation State County 10.3mph SSW Speed and Direction Strength Gentle Trend Decreasing
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