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1 April 2014 Climatology of Nocturnal Rainfall for Northeast Kansas, 1950–2012
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Abstract

Nighttime rainfall has long been thought of as an important component to the central Great Plains hydroclimate during the wettest three-month period known as the “late spring - early summer precipitation maximum” from May–July (MJJ), though the climatological characteristics in Kansas are not very well documented in the literature. The nighttime rainfall characteristics are examined based on hourly precipitation data for Topeka, KS and other Kansas stations for a 63-year period from 1950–2012 for May–July. Nighttime rainfall is a major contributor to the overall moisture budget in the Great Plains, contributing over 50% of the overall rainfall total for the three-month period, with an increase in the percentage from May to July. Most nocturnal rainfall events initiate around the local midnight hour, with earlier start times in May compared to June and July. The greatest hourly precipitation tends to occur around the same time, with a gradual step down into the mid-morning hours. Geographically, areas in the eastern portion of the state receive more nighttime rainfall on average for all three months than areas to the west.

Ian M. Howard and John Harrington Jr. "Climatology of Nocturnal Rainfall for Northeast Kansas, 1950–2012," Transactions of the Kansas Academy of Science 117(1-2), 21-30, (1 April 2014). https://doi.org/10.1660/062.117.0104
Published: 1 April 2014
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