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Copyright © 2012 Board of Regents of the University of Oklahoma. Oklahoma Monthly Climate Summary 1 According to data from the Oklahoma Mesonet, August finished one degree above normal to rank as the 53rd warmest on record and a half an inch below normal to come in as the 42nd driest. Those records date back to 1895. Despite those seemingly benign statistics, August actually had weather to suit just about all summer appetites. The month started with one of the hottest stretches the state has ever experienced, moved to mild and wet for a spell, then ended once again on the hot side. Unfortunately, that brief fall-like interlude in the middle of the month did little to quell the ongoing flash drought event that began in late spring. The U.S. Drought Monitor report released on August 28 showed 37 percent of Oklahoma mired in exceptional drought, with 90 percent portrayed in extreme-exceptional drought. The Drought Monitor’s intensity scale slides from moderate-severe-extreme-exceptional, with exceptional being the worst category. To exemplify the drought’s rapid advance, only 17 percent of the state was in drought at the end of May and 5 percent was in exceptional drought at the beginning of August. Vegetation that had flourished in the wet and unusually warm winter and early spring became fuel for wildfires thanks to the heat and drought. More than 100,000 acres across the state burned in early August, with one fatality east of Norman attributed to wildfire. AUGUST 2012 Oklahoma Monthly Climate Summary August 2012 Statewide Extremes Description Extreme Station Day High Temperature 115ºF Kingfisher 1 Low Temperature 50ºF Seiling 20 High Precipitation 5.70 in. Broken Bow -- Low Precipitation 0.46 in. Hobart -- August 2012 Statewide Statistics Temperature Average Depart. Rank (1895-2012) Month (August) 81.4ºF 1.0ºF 53rd Warmest Season-to-Date (Jun-August) 82.0ºF 2.5ºF 12th Warmest Year-to-Date (Jan-August) 66.1ºF 4.3ºF 1st Warmest Precipitation Average Depart. Rank (1895-2012) Month (August) 2.29 in. -0.48 in. 42nd Driest Season-to-Date (Jun-August) 6.10 in. -3.67 in. 14th Driest Year-to-Date (Jan-August) 20.19 in. -4.47 in. 30th Driest Depart. = departure from 30-year normal The end of August also brings the climatological summer to a close, and it was obviously a hot and dry one. The statewide average rainfall total during summer fell 3.7 inches below normal to rank as the 14th driest on record. The summer also ranked as the 12th warmest on record at 2.5 degrees above normal. The first eight months of the year ended as Oklahoma’s warmest January-August period on record at 4.3 degrees above normal. August was the 24th month out of the last 29 to finish warmer than normal, beginning with April 2010. AUGUST DAILY HIGHLIGHTS AUGUST 1-2: August took off with a record-breaking temperature of 115 degrees in Kingfisher. Trailing closely behind were portions of north central Oklahoma at 114. While the majority of Oklahoma stayed near and above 110 for their maximum temperature, southwest Oklahoma experienced lower maximum temperatures huddled around 100 degrees. The minimum temperatures allowed for little relief, ranging from 66 as the lowest in Kenton to the upper 80s. TEMPERATURE The weather during early August was as intensely hot as nearly any in the state’s history with temperatures ranging from 105-115 degrees across much of Oklahoma. August 1 became the state’s 10th hottest day on record with a statewide average temperature of 93.7 degrees. That is still 1.2 degrees less than Oklahoma’s hottest day on August 12, 1936. Oklahoma City tied its all-time record high temperature and broke its all-time record warm low temperature on the same day, August 3, with readings of 113 degrees and 84 degrees, respectively. The highest temperature recorded by the Oklahoma Mesonet during the month was 115 degrees from Kingfisher on August 1. On the cool side, several Mesonet stations reached a minimum temperature of 50 degrees on August 20.
|Okla State Agency||
Climatological Survey, Oklahoma
|Okla Agency Code||'760'|
|Title||Oklahoma monthly climate summary, 08/2012|
Oklahoma Climatological Survey.
|Purpose||According to data from the Oklahoma Mesonet, August finished one degree above normal to rank as the 53rd warmest on record and a half an inch below normal to come in as the 42nd driest.|
|For all issues click||C2800.6 C639|
|Digital Format||PDF Adobe Reader required|
|ODL electronic copy||Downloaded from agency website: http://climate.ok.gov/summaries/monthly/2012/MCS_August_2012.pdf|
|Rights and Permissions||This Oklahoma State Government publication is provided for educational purposes under US copyright law. Other usage requires permission of copyright holders.|