The phrase "a distinct fall in" is correct and usable in written English.
It can be used when describing a noticeable decrease in a particular quantity or measurement, such as statistics or performance metrics.
Example: "There was a distinct fall in sales during the last quarter, prompting the company to reevaluate its marketing strategy."
Alternatives: "a significant drop in" or "a clear decline in".
A distinct summer daytime minimum was not seen in the observed elevation pattern.
The data suggest that the virus that has now killed more than 1,400 and infected more than 3,000 arose as a distinct strain in 2004.
One of the most recently described Banksia species, it was probably seen by Edward John Eyre in 1841, but was not collected until 1973, and was only recognised as a distinct species in 1988.
Although Groves maintained the silky sifaka as a subspecies in the 3rd edition of Mammal Species of the World in 2005, he recognized it as a distinct species in 2007 by acknowledging the work of Mayor et al. and also noting the additional distinction that the silky sifaka has relatively long molar teeth compared to the length of its toothrow.
Apps and web-based games which involve parents will have a distinct advantage next year, much in the same way that family-play helped make the Wii such a huge hit".
Although he identified the Karner blue as a distinct subspecies in 1943 and named it Lycaeides melissa samuelis, it wasn't until the late spring of 1950 that Nabokov -- whose prose abounds in butterfly imagery -- took up his net and went looking for Karner blues in the wild.
A very small percentage of melanomas can be diagnosed in parenchymatous organs, such as the lung, or in the retroperitoneal area. 1 The first mucosal melanoma was cited in 1859 by Weber and was later recognized as a distinct entity in 1869 by Lucke.
Described as a distinct subspecies in 1996 by Alex George from material he collected at Byron Bay in 1975, it is distinguished by finer foliage, more crowded leaves and larger flowers, with the perianths 26 28 mm (1 in) long and pistils 46 48 mm (1¾ in) long.
The incidence of dengue fever showed a distinct peak in February and March, reaching 39/100,000 travelers in March, and was very low from May to December.
Salivary ductal carcinomas are an uncommon and high-grade adenocarcinoma arising from the ductal epithelium, which Kleinsasser et al. reported in 1968 for the first time [ 3], and the World Health Organization classified as a distinct neoplasm in 1991 [ 4].
